List of works - Eamonn Delahunt

'Theory on relativity': why we need to be 'absolute' and regulate the reporting of injury risk outcome metrics in RCTs in sport and exercise medicine (methods matter series)

scientific article published on 16 March 2020

2016 consensus statement of the International Ankle Consortium: prevalence, impact and long-term consequences of lateral ankle sprains

scientific article

A comparison between performance on selected directions of the star excursion balance test and the Y balance test.

scientific article

A comparison of muscle stiffness and musculoarticular stiffness of the knee joint in young athletic males and females

scientific article published on 20 March 2015

A diagonal landing task to assess dynamic postural stability in ACL reconstructed females

scientific article published on 18 August 2013

A laboratory captured “giving way” episode in an individual with chronic ankle instability

scholarly article by Alexandria Remus et al published 25 July 2018 in Journal of Biomechanics

A longitudinal investigation into the progression of dynamic postural stability performance in adolescents

scientific article published on 26 May 2016

A six stage operational framework for individualising injury risk management in sport

scientific article published on 20 September 2017

Academics’ conceptualisations of the research-teaching nexus in a research-intensive Irish university: A dynamic framework for growth & development

scientific article published in April 2019

Adductor squeeze test values and hip joint range of motion in Gaelic football athletes with longstanding groin pain

scientific article

Age Related Changes in Motor Function (II). Decline in Motor Performance Outcomes

scientific article published on 02 November 2020

Age-related Changes in Motor Function (I). Mechanical and Neuromuscular Factors

scientific article published on 04 May 2020

Altered neuromuscular control and ankle joint kinematics during walking in subjects with functional instability of the ankle joint.

scientific article published on 22 August 2006

An ambulatory method of identifying anterior cruciate ligament reconstructed gait patterns.

scientific article published on 07 January 2014

Ankle function during gait in patients with chronic ankle instability compared to controls

scientific article published in February 2006

Ankle function during hopping in subjects with functional instability of the ankle joint

scientific article published in March 2007

Anthropometric profile and body composition of Irish adolescent rugby union players aged 16-18.

scientific article published in December 2013

Application of Individualized Speed Thresholds to Interpret Position Specific Running Demands in Elite Professional Rugby Union: A GPS Study

scientific article published on 24 July 2015

Are questionable research practices facilitating new discoveries in sport and exercise medicine? The proportion of supported hypotheses is implausibly high

scientific article published on 22 July 2020

Association between eccentric knee flexor strength and hamstring injury risk in 185 elite Gaelic football players

scientific article published on 03 February 2020

Attacking 22 entries in rugby union: running demands and differences between successful and unsuccessful entries.

scientific article published on 28 December 2016

Balance failure in single limb stance due to ankle sprain injury: an analysis of center of pressure using the fractal dimension method

scientific article

Changes in knee joint angle affect torque steadiness differently in young and older individuals

scientific article published on 14 May 2019

Changes in lower limb kinematics, kinetics, and muscle activity in subjects with functional instability of the ankle joint during a single leg drop jump

scientific article published in 2006

Characteristics of people with recurrent ankle sprains: a systematic review with meta-analysis

scientific article published on 21 January 2011

Classification of deadlift biomechanics with wearable inertial measurement units.

scientific article published on 16 May 2017

Classification of lunge biomechanics with multiple and individual inertial measurement units.

scientific article published on 19 May 2017

Clinical Detection and Recovery of Vestibular and Oculomotor Impairments Among Amateur Athletes Following Sport-Related Concussion: A Prospective, Matched-Cohort Study

scientific article published on 02 September 2020

Clinical assessment of acute lateral ankle sprain injuries (ROAST): 2019 consensus statement and recommendations of the International Ankle Consortium

scientific article published on 09 June 2018

Clinical assessment of countermovement jump landing kinematics in early adolescence: Sex differences and normative values

scientific article published on 11 March 2015

Clinical tests have limited predictive value for Chronic Ankle Instability when conducted in the acute phase of a first-time lateral ankle sprain injury

scientific article published on 20 December 2017

Collision count in rugby union: A comparison of micro-technology and video analysis methods.

scientific article published on 21 November 2016

Concussed athletes walk slower than non-concussed athletes during cognitive-motor dual-task assessments but not during single-task assessments 2 months after sports concussion: a systematic review and meta-analysis using individual participant data

scientific article published on 22 July 2019

Coordination and Symmetry Patterns During the Drop Vertical Jump in People With Chronic Ankle Instability and Lateral Ankle Sprain Copers

scientific article

Coordination and symmetry patterns during the drop vertical jump, 6-months after first-time lateral ankle sprain

scientific article

Criteria-Based Return to Sport Decision-Making Following Lateral Ankle Sprain Injury: a Systematic Review and Narrative Synthesis

scientific article published on 01 April 2019

Determining Interrater and Intrarater Levels of Agreement in Students and Clinicians When Visually Evaluating Movement Proficiency During Screening Assessments

scientific article published on 01 April 2019

Developing consensus on clinical assessment of acute lateral ankle sprain injuries: protocol for an international and multidisciplinary modified Delphi process.

scientific article published on 19 January 2018

Different Effect of Local and General Fatigue on Knee Joint Stiffness

scientific article published on 30 August 2016

Does the Spraino low-friction shoe patch prevent lateral ankle sprain injury in indoor sports? A pilot randomised controlled trial with 510 participants with previous ankle injuries

scientific article published on 12 August 2020

Doha agreement meeting on terminology and definitions in groin pain in athletes ⬇️

scientific article

Dynamic Balance Deficits 6 Months Following First-Time Acute Lateral Ankle Sprain: A Laboratory Analysis

scientific article published on 24 June 2015

Dynamic Postural-Stability Deficits After Cryotherapy to the Ankle Joint

scientific article

Dynamic balance deficits in individuals with chronic ankle instability compared to ankle sprain copers 1 year after a first-time lateral ankle sprain injury

scientific article

Dynamic postural stability in young adolescent male and female athletes

scientific article published in December 2014

Eccentric knee flexor strength profiles of 341 elite male academy and senior Gaelic football players: Do body mass and previous hamstring injury impact performance?

scientific article published on 02 March 2018

Effect of Knee Joint Angle and Contraction Intensity on Hamstrings Coactivation

scientific article published on 27 March 2017

Effect of a 6-week dynamic neuromuscular training programme on ankle joint function: A Case report

scientific article

Effect of noise stimulation below and above sensory threshold on postural sway during a mildly challenging balance task

article by Giacomo Severini & Eamonn Delahunt published June 2018 in Gait and Posture

Effect of sex and fatigue on muscle stiffness and musculoarticular stiffness of the knee joint in a young active population

scientific article published on 2 September 2016

Effect of taping on actual and perceived dynamic postural stability in persons with chronic ankle instability

scientific article published in September 2010

Effects of age and sex on neuromuscular-mechanical determinants of muscle strength.

scientific article

Effects of neck strength training on isometric neck strength in rugby union players

scientific article published in November 2014

Effects of taping and exercise on ankle joint movement in subjects with chronic ankle instability: a preliminary investigation

scientific article published in August 2009

Effects of taping on thumb alignment and force application during PA mobilisations

scientific article published in June 2011

Epidemiology of injuries in senior men's field hockey: A two-season prospective observational injury surveillance study

scientific article published on 31 July 2020

Evaluating Performance of the Single Leg Squat Exercise with a Single Inertial Measurement Unit

scientific article published in 2015

Evaluating squat performance with a single inertial measurement unit

scientific article published in June 2015

Evidence review for the 2016 International Ankle Consortium consensus statement on the prevalence, impact and long-term consequences of lateral ankle sprains

scientific article

Fitness profiles of elite adolescent Irish rugby union players

scientific article published on 27 October 2016

Gait Biomechanics in Participants, Six Months after First-time Lateral Ankle Sprain.

scientific article

Headache- and Dizziness-Specific Health-Related Quality-of-Life Impairments Persist for 1 in 4 Amateur Athletes Who Are Cleared to Return to Sporting Activity Following Sport-Related Concussion: A Prospective Matched-Cohort Study

scientific article published on 01 December 2020

Hip and groin injury management in English youth football: a survey of 64 professional academies

scientific article published on 23 February 2018

Hip and knee joint kinematics during a diagonal jump landing in anterior cruciate ligament reconstructed females.

scientific article published on 19 April 2012

Identifying the 'incredible'! Part 1: assessing the risk of bias in outcomes included in systematic reviews

scientific article published on 23 December 2019

Identifying the 'incredible'! Part 2: Spot the difference - a rigorous risk of bias assessment can alter the main findings of a systematic review

scientific article published on 23 December 2019

Inclusion criteria when investigating insufficiencies in chronic ankle instability.

scientific article

Increasing the number of gait trial recordings maximises intra-rater reliability of the CODA motion analysis system

scientific article published on 24 May 2006

Infographic. Does the Spraino low-friction shoe patch prevent lateral ankle sprain injury in indoor sports? A 510-participant pilot RCT

scientific article published on 14 October 2020

Infographic. International Ankle Consortium Rehabilitation-Oriented Assessment

article by Eamonn Delahunt et al published 10 September 2018 in British Journal of Sports Medicine

Inter-joint coordination strategies during unilateral stance 6-months following first-time lateral ankle sprain

scientific article

Inter-joint coordination strategies during unilateral stance following first-time, acute lateral ankle sprain: A brief report

scientific article

Intrarater reliability of neck strength measurement of rugby union players using a handheld dynamometer

scientific article

Intrarater reliability of the adductor squeeze test in gaelic games athletes.

scientific article published on May 2011

Is 'plantar heel pain' a more appropriate term than 'plantar fasciitis'? Time to move on.

scientific article published on 20 February 2017

Joint mobilization acutely improves landing kinematics in chronic ankle instability.

scientific article

Kinematic analysis of selected reach directions of the Star Excursion Balance Test compared with the Y-Balance Test

scientific article

Kinematic and electromyographic analysis of the Askling L-Protocol for hamstring training

scientific article published on 26 September 2018

Kinematic and electromyographic analysis of the Nordic Hamstring Exercise

scientific article published on 25 June 2013

Laboratory Measures of Postural Control During the Star Excursion Balance Test After Acute First-Time Lateral Ankle Sprain

scientific article

Locomotive biomechanics in persons with chronic ankle instability and lateral ankle sprain copers.

scientific article

Low Energy Availability in Athletes 2020: An Updated Narrative Review of Prevalence, Risk, Within-Day Energy Balance, Knowledge, and Impact on Sports Performance

scientific article published on 20 March 2020

Low Energy Availability in Athletes: A Review of Prevalence, Dietary Patterns, Physiological Health, and Sports Performance.

scientific article

Lower Limb Interjoint Postural Coordination One Year after First-Time Lateral Ankle Sprain

scientific article

Lower extremity coordination and symmetry patterns during a drop vertical jump task following acute ankle sprain

scientific article

Lower extremity function during gait in participants with first time acute lateral ankle sprain compared to controls

scientific article

Lower limb kinematic alterations during drop vertical jumps in female athletes who have undergone anterior cruciate ligament reconstruction.

scientific article published on August 2011

Lower limb kinematics and dynamic postural stability in anterior cruciate ligament-reconstructed female athletes.

scientific article published on 20 February 2013

Mechanisms of acute ankle syndesmosis ligament injuries in professional male rugby union players: a systematic visual video analysis

scientific article published on 13 October 2020

Minimum reporting standards for clinical research on groin pain in athletes ⬇️

scientific article published on June 2015

Neuromuscular Training for Chronic Ankle Instability

scientific article published on 24 May 2012

Neuromuscular contributions to functional instability of the ankle joint

scientific article published in July 2007

Neuromuscular training to enhance sensorimotor and functional deficits in subjects with chronic ankle instability: A systematic review and best evidence synthesis

scientific article

Nordic hamstring exercise training alters knee joint kinematics and hamstring activation patterns in young men

scientific article published on 11 January 2016

Normative adductor squeeze test values in elite junior rugby union players

scientific article published in July 2014

Optimal Loading Range for the Development of Peak Power Output in the Hexagonal Barbell Jump Squat

scientific article published in June 2015

Patellofemoral pain syndrome: a review on the associated neuromuscular deficits and current treatment options

scientific article published on 18 April 2008

Peak Power in the Hexagonal Barbell Jump Squat and its Relationship to Jump Performance and Acceleration in Elite Rugby Union Players

scientific article published in May 2015

Peak knee adduction moment during gait in anterior cruciate ligament reconstructed females

scientific article published on 4 December 2013

Peroneal reflex contribution to the development of functional instability of the ankle joint

scientific article published in May 2007

Postural control strategies during single limb stance following acute lateral ankle sprain

scientific article

Pre-season adductor squeeze test and HAGOS function sport and recreation subscale scores predict groin injury in Gaelic football players

scientific article published on 9 July 2016

Prevalence of and attitudes about concussion in Irish schools' rugby union players.

scientific article published in January 2015

Prevention of Lateral Ankle Sprains

scientific article published on 22 May 2019

Recovery From a First-Time Lateral Ankle Sprain and the Predictors of Chronic Ankle Instability: A Prospective Cohort Analysis

scientific article

Rehabilitation Exercises Reduce Reinjury Post Ankle Sprain, But the Content and Parameters of an Optimal Exercise Program Have Yet to Be Established: A Systematic Review and Meta-analysis

scientific article published on 26 October 2018

Risk Factors for Lateral Ankle Sprains and Chronic Ankle Instability

scientific article published on 04 June 2019

Screening for risk of low energy availability in athletic and recreationally active females in Ireland

article

Selection Criteria for Patients With Chronic Ankle Instability in Controlled Research: A Position Statement of the International Ankle Consortium

Selection criteria for patients with chronic ankle instability in controlled research: a position statement of the International Ankle Consortium

scientific article

Selection criteria for patients with chronic ankle instability in controlled research: a position statement of the International Ankle Consortium

article by Phillip A Gribble et al published July 2014 in British Journal of Sports Medicine

Self-reported reproductive health of athletic and recreationally active males in Ireland: potential health effects interfering with performance

scientific article published on 25 March 2020

Sex Differences in Landing Biomechanics and Postural Stability During Adolescence: A Systematic Review with Meta-Analyses

scientific article

Sex differences in sagittal plane control emerge during adolescent growth: a prospective investigation

scientific article published on 03 August 2018

Single-leg drop landing motor control strategies following acute ankle sprain injury

scientific article

Single-leg drop landing movement strategies 6 months following first-time acute lateral ankle sprain injury

scientific article

Single-leg drop landing movement strategies in participants with chronic ankle instability compared with lateral ankle sprain 'copers'.

scientific article

Six-Minute Walk Test in Children With Spastic Cerebral Palsy and Children Developing Typically

scientific article published in 2016

Star Excursion Balance Test performance and application in elite junior rugby union players

scientific article published in December 2013

Structured clinical assessment: a brake to stop the ankle joint 'rolling'

scientific article published on 09 June 2018

Technology in Rehabilitation: Comparing Personalised and Global Classification Methodologies in Evaluating the Squat Exercise with Wearable IMUs

scientific article published on 14 June 2017

Technology in Rehabilitation: Evaluating the Single Leg Squat Exercise with Wearable Inertial Measurement Units

scientific article

Technology in S&C: Assessing Bodyweight Squat Technique with Wearable Sensors

Technology in Strength and Conditioning Tracking Lower-Limb Exercises With Wearable Sensors.

scientific article published on June 2017

Technology in Strength and Conditioning: Assessing Bodyweight Squat Technique With Wearable Sensors

scientific article published on August 2017

Terminology and definitions on groin pain in athletes: building agreement using a short Delphi method

scientific article published on 23 April 2015

The Acute Effect of a Plyometric Stimulus on Jump Performance in Professional Rugby Players

scientific article published in February 2014

The Big Five: consensus considerations before a muscle injury registry revolution - stating the (not so) obvious

scientific article published on 5 January 2018

The Effect of Cryotherapy Application to the Knee Joint on Dynamic Postural Stability

scientific article published on 29 April 2019

The International Ankle Consortium: Promoting Long-Term Stability in Ankle-Sprain Research

scientific article published on 01 June 2019

The Yo-Yo intermittent recovery test level 1 as a high intensity training tool: aerobic and anaerobic responses

scientific article published on 29 January 2013

The effects of light emitting diode therapy following high intensity exercise

scientific article published on 21 August 2012

The effects of taping and exercise on ankle joint movement in subjects with functional instability (FI) of the ankle joint during a jump down

scientific article published on 26 September 2008

The incidence and prevalence of ankle sprain injury: a systematic review and meta-analysis of prospective epidemiological studies

scientific article published on January 2014

The relationship between collision metrics from micro-sensor technology and video-coded events in rugby union

scientific article published on 26 July 2020

The thigh adductor squeeze test: 45° of hip flexion as the optimal test position for eliciting adductor muscle activity and maximum pressure values

scientific article published on 22 March 2011

The worst case scenario: Locomotor and collision demands of the longest periods of gameplay in professional rugby union

scientific article

Torque steadiness and neuromuscular responses following fatiguing concentric exercise of the knee extensor and flexor muscles in young and older individuals

scientific article published on 11 June 2019

Treatment and prevention of acute and recurrent ankle sprain: an overview of systematic reviews with meta-analysis

scientific article published on 8 October 2016

Treatment of common deficits associated with chronic ankle instability.

scientific article published on January 2009

Two-dimensional knee valgus displacement as a predictor of patellofemoral pain in adolescent females

scientific article

List of works by Eamonn Delahunt

'Theory on relativity': why we need to be 'absolute' and regulate the reporting of injury risk outcome metrics in RCTs in sport and exercise medicine (methods matter series)

2016 consensus statement of the International Ankle Consortium: prevalence, impact and long-term consequences of lateral ankle sprains

A comparison between performance on selected directions of the star excursion balance test and the Y balance test.

A comparison of muscle stiffness and musculoarticular stiffness of the knee joint in young athletic males and females

A diagonal landing task to assess dynamic postural stability in ACL reconstructed females

A laboratory captured “giving way” episode in an individual with chronic ankle instability

A longitudinal investigation into the progression of dynamic postural stability performance in adolescents

A six stage operational framework for individualising injury risk management in sport

Academics’ conceptualisations of the research-teaching nexus in a research-intensive Irish university: A dynamic framework for growth & development

Adductor squeeze test values and hip joint range of motion in Gaelic football athletes with longstanding groin pain

Age Related Changes in Motor Function (II). Decline in Motor Performance Outcomes

Age-related Changes in Motor Function (I). Mechanical and Neuromuscular Factors

Altered neuromuscular control and ankle joint kinematics during walking in subjects with functional instability of the ankle joint.

An ambulatory method of identifying anterior cruciate ligament reconstructed gait patterns.

Ankle function during gait in patients with chronic ankle instability compared to controls

Ankle function during hopping in subjects with functional instability of the ankle joint

Anthropometric profile and body composition of Irish adolescent rugby union players aged 16-18.

Application of Individualized Speed Thresholds to Interpret Position Specific Running Demands in Elite Professional Rugby Union: A GPS Study

Are questionable research practices facilitating new discoveries in sport and exercise medicine? The proportion of supported hypotheses is implausibly high

Association between eccentric knee flexor strength and hamstring injury risk in 185 elite Gaelic football players

Attacking 22 entries in rugby union: running demands and differences between successful and unsuccessful entries.

Balance failure in single limb stance due to ankle sprain injury: an analysis of center of pressure using the fractal dimension method

Changes in knee joint angle affect torque steadiness differently in young and older individuals

Changes in lower limb kinematics, kinetics, and muscle activity in subjects with functional instability of the ankle joint during a single leg drop jump

Characteristics of people with recurrent ankle sprains: a systematic review with meta-analysis

Classification of deadlift biomechanics with wearable inertial measurement units.

Classification of lunge biomechanics with multiple and individual inertial measurement units.

Clinical Detection and Recovery of Vestibular and Oculomotor Impairments Among Amateur Athletes Following Sport-Related Concussion: A Prospective, Matched-Cohort Study

Clinical assessment of acute lateral ankle sprain injuries (ROAST): 2019 consensus statement and recommendations of the International Ankle Consortium

Clinical assessment of countermovement jump landing kinematics in early adolescence: Sex differences and normative values

Clinical tests have limited predictive value for Chronic Ankle Instability when conducted in the acute phase of a first-time lateral ankle sprain injury

Collision count in rugby union: A comparison of micro-technology and video analysis methods.

Concussed athletes walk slower than non-concussed athletes during cognitive-motor dual-task assessments but not during single-task assessments 2 months after sports concussion: a systematic review and meta-analysis using individual participant data

Coordination and Symmetry Patterns During the Drop Vertical Jump in People With Chronic Ankle Instability and Lateral Ankle Sprain Copers

Coordination and symmetry patterns during the drop vertical jump, 6-months after first-time lateral ankle sprain

Criteria-Based Return to Sport Decision-Making Following Lateral Ankle Sprain Injury: a Systematic Review and Narrative Synthesis

Determining Interrater and Intrarater Levels of Agreement in Students and Clinicians When Visually Evaluating Movement Proficiency During Screening Assessments

Developing consensus on clinical assessment of acute lateral ankle sprain injuries: protocol for an international and multidisciplinary modified Delphi process.

Different Effect of Local and General Fatigue on Knee Joint Stiffness

Does the Spraino low-friction shoe patch prevent lateral ankle sprain injury in indoor sports? A pilot randomised controlled trial with 510 participants with previous ankle injuries

Doha agreement meeting on terminology and definitions in groin pain in athletes ⬇️

Dynamic Balance Deficits 6 Months Following First-Time Acute Lateral Ankle Sprain: A Laboratory Analysis

Dynamic Postural-Stability Deficits After Cryotherapy to the Ankle Joint

Dynamic balance deficits in individuals with chronic ankle instability compared to ankle sprain copers 1 year after a first-time lateral ankle sprain injury

Dynamic postural stability in young adolescent male and female athletes

Eccentric knee flexor strength profiles of 341 elite male academy and senior Gaelic football players: Do body mass and previous hamstring injury impact performance?

Effect of Knee Joint Angle and Contraction Intensity on Hamstrings Coactivation

Effect of a 6-week dynamic neuromuscular training programme on ankle joint function: A Case report

Effect of noise stimulation below and above sensory threshold on postural sway during a mildly challenging balance task

Effect of sex and fatigue on muscle stiffness and musculoarticular stiffness of the knee joint in a young active population

Effect of taping on actual and perceived dynamic postural stability in persons with chronic ankle instability

Effects of age and sex on neuromuscular-mechanical determinants of muscle strength.

Effects of neck strength training on isometric neck strength in rugby union players

Effects of taping and exercise on ankle joint movement in subjects with chronic ankle instability: a preliminary investigation

Effects of taping on thumb alignment and force application during PA mobilisations

Epidemiology of injuries in senior men's field hockey: A two-season prospective observational injury surveillance study

Evaluating Performance of the Single Leg Squat Exercise with a Single Inertial Measurement Unit

Evaluating squat performance with a single inertial measurement unit

Evidence review for the 2016 International Ankle Consortium consensus statement on the prevalence, impact and long-term consequences of lateral ankle sprains

Fitness profiles of elite adolescent Irish rugby union players

Gait Biomechanics in Participants, Six Months after First-time Lateral Ankle Sprain.

Headache- and Dizziness-Specific Health-Related Quality-of-Life Impairments Persist for 1 in 4 Amateur Athletes Who Are Cleared to Return to Sporting Activity Following Sport-Related Concussion: A Prospective Matched-Cohort Study

Hip and groin injury management in English youth football: a survey of 64 professional academies

Hip and knee joint kinematics during a diagonal jump landing in anterior cruciate ligament reconstructed females.

Identifying the 'incredible'! Part 1: assessing the risk of bias in outcomes included in systematic reviews

Identifying the 'incredible'! Part 2: Spot the difference - a rigorous risk of bias assessment can alter the main findings of a systematic review

Inclusion criteria when investigating insufficiencies in chronic ankle instability.

Increasing the number of gait trial recordings maximises intra-rater reliability of the CODA motion analysis system

Infographic. Does the Spraino low-friction shoe patch prevent lateral ankle sprain injury in indoor sports? A 510-participant pilot RCT

Infographic. International Ankle Consortium Rehabilitation-Oriented Assessment

Inter-joint coordination strategies during unilateral stance 6-months following first-time lateral ankle sprain

Inter-joint coordination strategies during unilateral stance following first-time, acute lateral ankle sprain: A brief report

Intrarater reliability of neck strength measurement of rugby union players using a handheld dynamometer

Intrarater reliability of the adductor squeeze test in gaelic games athletes.

Is 'plantar heel pain' a more appropriate term than 'plantar fasciitis'? Time to move on.

Joint mobilization acutely improves landing kinematics in chronic ankle instability.

Kinematic analysis of selected reach directions of the Star Excursion Balance Test compared with the Y-Balance Test

Kinematic and electromyographic analysis of the Askling L-Protocol for hamstring training

Kinematic and electromyographic analysis of the Nordic Hamstring Exercise