List of works by Jaap Harlaar

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue.

scientific article published on 27 November 2017

A candidate core set of outcome measures based on the International Classification of Functioning, Disability and Health for clinical studies on lower limb orthoses

scientific article published on September 2011

A clinically applicable EMG-force model to quantify active stabilization of the knee after a lesion of the anterior cruciate ligament

scientific article published on 01 February 2003

Acclimatization of the gait pattern to wearing an ankle-foot orthosis in children with spastic cerebral palsy.

scientific article

Accuracy of a practicable EMG to force model for knee muscles.

scientific article published in September 2004

Age-related longitudinal changes in metabolic energy expenditure during walking in boys with Duchenne muscular dystrophy.

scientific article published on 15 December 2014

Ambulatory measurement of the knee adduction moment in patients with osteoarthritis of the knee

scientific article published on 31 October 2012

An individual approach for optimizing ankle-foot orthoses to improve mobility in children with spastic cerebral palsy walking with excessive knee flexion

scientific article

Analysis of gait patterns pre- and post- Single Event Multilevel Surgery in children with Cerebral Palsy by means of Offset-Wise Movement Analysis Profile and Linear Fit Method.

scientific article

Anatomical information is needed in ultrasound imaging of muscle to avoid potentially substantial errors in measurement of muscle geometry.

scientific article

Assessing longitudinal change in coordination of the paretic upper limb using on-site 3-dimensional kinematic measurements

scientific article published on 23 September 2011

Assessment of net knee moment-angle characteristics by instrumented hand-held dynamometry in children with spastic cerebral palsy and typically developing children

scientific article

Assisting gait with free moments or joint moments on the swing leg

scientific article published on 01 June 2019

Calibration of EMG to force for knee muscles is applicable with submaximal voluntary contractions.

scientific article published on 22 January 2005

Can Treadmill Perturbations Evoke Stretch Reflexes in the Calf Muscles?

scientific article published on 15 December 2015

Co-contraction in RA patients with a mobile bearing total knee prosthesis during a step-up task

scientific article published on 14 May 2008

Comparing the kinematic output of the Oxford and Rizzoli Foot Models during normal gait and voluntary pathological gait in healthy adults

scientific article published on 28 August 2020

Comparing unilateral and bilateral upper limb training: the ULTRA-stroke program design

scientific article

Compensations in lower limb joint work during walking in response to unilateral calf muscle weakness

scientific article published on 20 August 2018

Complete 3D kinematics of upper extremity functional tasks

scientific article published on 24 April 2007

Comprehensive evaluation of gait, spasticity, and muscle morphology: A case report of a child with spastic paresis treated with Botulinum NeuroToxin-A, serial casting, and physiotherapy

scientific article published on 21 July 2019

Cross-Cultural and Construct Validity of the Animated Activity Questionnaire

scientific article published on 16 October 2016

Decrease in ankle-foot dorsiflexion range of motion is related to increased knee flexion during gait in children with spastic cerebral palsy

scientific article published on 9 December 2014

Decreased Pain and Improved Dynamic Knee Instability Mediate the Beneficial Effect of Wearing a Soft Knee Brace on Activity Limitations in Patients With Knee Osteoarthritis

scientific article published on 12 July 2019

Defining the mechanical properties of a spring-hinged ankle foot orthosis to assess its potential use in children with spastic cerebral palsy.

scientific article published on 9 July 2014

Description of orthotic properties and effect evaluation of ankle-foot orthoses in non-spastic calf muscle weakness

scientific article published on 01 March 2020

Development and validation of the computer-administered animated activity questionnaire to measure physical functioning of patients with hip or knee osteoarthritis

scientific article published on 12 September 2013

Development of an Ankle-Foot Orthosis That Provides Support for Flaccid Paretic Plantarflexor and Dorsiflexor Muscles

scientific article published on 01 May 2018

Diagnosis and Treatment of` Spasticity and Stiff Muscles

scientific article published on 28 May 2016

Differences in violin fixation force and muscle activity among violinists with and without complaints of the neck shoulder region

scientific article published on 05 November 2018

Dynamic arm study: quantitative description of upper extremity function and activity of boys and men with duchenne muscular dystrophy

scientific article published on 26 May 2017

Dynamic spasticity of plantar flexor muscles in cerebral palsy gait

scientific article published on 01 July 2010

Effect of ankle-foot orthoses on walking efficiency and gait in children with cerebral palsy

scientific article published in July 2008

Effect of carbon-composite knee-ankle-foot orthoses on walking efficiency and gait in former polio patients

scientific article published in October 2007

Effect of real-time biofeedback on peak knee adduction moment in patients with medial knee osteoarthritis: Is direct feedback effective?

scientific article published on 13 July 2017

Effects of growth on geometry of gastrocnemius muscle in children: a three-dimensional ultrasound analysis

scientific article published on 02 June 2011

Energy demands of walking in persons with postpoliomyelitis syndrome: relationship with muscle strength and reproducibility

scientific article published on 01 January 2006

Evaluation of clinical spasticity assessment in cerebral palsy using inertial sensors

scientific article published on 13 June 2009

Evaluation of the catch in spasticity assessment in children with cerebral palsy.

scientific article published in April 2010

Factors Associated With Long-Term Improvement of Gait After Selective Dorsal Rhizotomy

scientific article published on 05 July 2018

Foot flexibility confounds the assessment of triceps surae extensibility in children with spastic paresis during typical physical examinations

scientific article published on 20 November 2019

Foot function during gait and parental perceived outcome in older children with symptomatic club foot deformity

scientific article published on 01 July 2020

Freehand three-dimensional ultrasound to assess semitendinosus muscle morphology

scientific article published on 06 June 2016

Gait Retraining With Real-Time Biofeedback to Reduce Knee Adduction Moment: Systematic Review of Effects and Methods Used

scientific article published on 30 July 2016

Gait analysis in children with cerebral palsy via inertial and magnetic sensors.

scientific article published on 9 December 2012

Gastrocnemius Medialis Muscle Geometry and Extensibility in Typically Developing Children and Children With Spastic Paresis Aged 6-13 Years

scientific article published on 23 November 2020

Hip abductor function in adults treated for Perthes disease

scientific article published on 01 May 2006

How crouch gait can dynamically induce stiff-knee gait

scientific article published on 17 February 2010

How normal is normal: Consequences of stride to stride variability, treadmill walking and age when using normative paediatric gait data

scientific article published on 22 March 2019

How to measure responses of the knee to lateral perturbations during gait? A proof-of-principle for quantification of knee instability

scientific article

Immediate Effects of Immersive Biofeedback on Gait in Children With Cerebral Palsy

scientific article published on 14 November 2018

Influence of the instrumented force shoe on gait pattern in patients with osteoarthritis of the knee

scientific article published on 25 August 2011

Instrumented assessment of motor function in dyskinetic cerebral palsy: a systematic review

scientific article published on 05 March 2020

Kinetic comparison of walking on a treadmill versus over ground in children with cerebral palsy.

scientific article published on 14 August 2015

Knee Moment-Angle Characteristics and Semitendinosus Muscle Morphology in Children with Spastic Paresis Selected for Medial Hamstring Lengthening

scientific article

Lateral trunk motion and knee pain in osteoarthritis of the knee: a cross-sectional study

scientific article

Measurement of scapular dyskinesis using wireless inertial and magnetic sensors: Importance of scapula calibration.

scientific article

Medial gastrocnemius muscle growth during adolescence is mediated by increased fascicle diameter rather than by longitudinal fascicle growth.

scientific article

Methodological considerations for improving the reproducibility of walking efficiency outcomes in clinical gait studies

scientific article published on 27 April 2007

Mobile-bearing total knee arthroplasty: More rotation is evident during more demanding tasks.

scientific article

Mobility of the rotating platform in low contact stress knee arthroplasty is durable.

scientific article published on 16 October 2015

Modifying ankle foot orthosis stiffness in patients with calf muscle weakness: gait responses on group and individual level

scientific article published on 17 October 2019

Motorized versus manual instrumented spasticity assessment in children with cerebral palsy.

scientific article published on July 2016

Movement within foot and ankle joint in children with spastic cerebral palsy: a 3-dimensional ultrasound analysis of medial gastrocnemius length with correction for effects of foot deformation

scientific article

Muscle Synergies in Response to Biofeedback-Driven Gait Adaptations in Children With Cerebral Palsy

scientific article published on 27 September 2019

Muscle length and lengthening velocity in voluntary crouch gait.

scientific article published on 5 January 2007

Neuro-musculoskeletal simulation of instrumented contracture and spasticity assessment in children with cerebral palsy

scientific article published on 16 July 2016

Objective parameters to measure (in)stability of the knee joint during gait: A review of literature

scientific article published on 20 March 2019

Optimising Ankle Foot Orthoses for children with cerebral palsy walking with excessive knee flexion to improve their mobility and participation; protocol of the AFO-CP study

scientific article

Outcome of medial hamstring lengthening in children with spastic paresis: A biomechanical and morphological observational study.

scientific article

Overground versus self-paced treadmill walking in a virtual environment in children with cerebral palsy

scientific article published on 09 July 2014

Polypropylene ankle foot orthoses to overcome drop-foot gait in central neurological patients: a mechanical and functional evaluation

scientific article published on 01 September 2010

Precision orthotics: optimising ankle foot orthoses to improve gait in patients with neuromuscular diseases; protocol of the PROOF-AFO study, a prospective intervention study

scientific article

Preliminary effectiveness of a sequential exercise intervention on gait function in ambulant patients with multiple sclerosis - A pilot study

scientific article published on 29 December 2018

Quadriceps muscle endurance in patients with chronic obstructive pulmonary disease

scientific article published on 01 February 2004

Real-time feedback to improve gait in children with cerebral palsy.

scientific article published on 11 November 2016

Real-time visual feedback for gait retraining: toward application in knee osteoarthritis.

scientific article published on 6 December 2014

Recording scapular motion using an acromion marker cluster

scientific article published on 23 September 2008

Relations between muscle endurance and subjectively reported fatigue, walking capacity, and participation in mildly affected adolescents with cerebral palsy

scientific article published on 24 February 2016

Reliability and precision of 3D wireless measurement of scapular kinematics.

scientific article published on 6 September 2014

Repeatability of the Oxford Foot Model in children with foot deformity

scientific article published on 26 December 2017

Reproducibility evaluation of gross and net walking efficiency in children with cerebral palsy

scientific article published on 01 January 2007

Reproducibility of hand-held ankle dynamometry to measure altered ankle moment-angle characteristics in children with spastic cerebral palsy

scientific article published on 12 June 2010

Self-paced versus fixed speed walking and the effect of virtual reality in children with cerebral palsy.

scientific article

Stiffness-optimized ankle-foot orthoses improve walking energy cost compared to conventional orthoses in neuromuscular disorders; a prospective uncontrolled intervention study

scientific article published on 24 August 2020

Studies examining the efficacy of ankle foot orthoses should report activity level and mechanical evidence.

scientific article published in September 2010

Surface EMG to assess arm function in boys with DMD: a pilot study

scientific article published on 03 February 2015

Synergy of EMG patterns in gait as an objective measure of muscle selectivity in children with spastic cerebral palsy

scientific article published on 15 September 2011

The Effects of Varying Ankle Foot Orthosis Stiffness on Gait in Children with Spastic Cerebral Palsy Who Walk with Excessive Knee Flexion

scientific article published on 23 November 2015

The Shank-to-Vertical-Angle as a parameter to evaluate tuning of Ankle-Foot Orthoses.

scientific article published on 27 May 2015

The effect of mono- versus multi-segment musculoskeletal models of the foot on simulated triceps surae lengths in pathological and healthy gait

scientific article published on 08 January 2020

The effect of shoe lacing on plantar pressure distribution and in-shoe displacement of the foot in healthy participants

scientific article published on 06 January 2011

The effect of walking speed on hamstrings length and lengthening velocity in children with spastic cerebral palsy

scientific article published on 20 February 2009

The effectiveness of voluntary modifications of gait pattern to reduce the knee adduction moment

scientific article published on 4 May 2013

The effects of electromyography-assisted modelling in estimating musculotendon forces during gait in children with cerebral palsy

scientific article published on 22 May 2019

The globe system: an unambiguous description of shoulder positions in daily life movements

scientific article published on 01 March 2003

The immediate effect of a soft knee brace on dynamic knee instability in persons with knee osteoarthritis

scientific article published on 01 October 2018

The immediate effect of a soft knee brace on pain, activity limitations, self-reported knee instability, and self-reported knee confidence in patients with knee osteoarthritis

scientific article published in December 2017

The importance of addressing heteroscedasticity in the reliability analysis of ratio-scaled variables: an example based on walking energy-cost measurements

scientific article published on 7 December 2011

The knee adduction moment measured with an instrumented force shoe in patients with knee osteoarthritis

scientific article published on 12 November 2011

The learning process of gait retraining using real-time feedback in patients with medial knee osteoarthritis

scientific article published on 23 February 2018

The reliability of upper limb kinematics in children with hemiplegic cerebral palsy

scientific article

The validity and reliability of modelled neural and tissue properties of the ankle muscles in children with cerebral palsy.

scientific article published on 23 April 2015

Unraveling upper extremity performance in Duchenne muscular dystrophy: A biophysical model

scientific article published on 14 March 2019

Upper limb kinematics: Development and reliability of a clinical protocol for children

article

Use of a Shoulder Rest for Playing the Violin Revisited: An Analysis of the Effect of Shoulder Rest Height on Muscle Activity, Violin Fixation Force, and Player Comfort

scientific article published on 01 March 2019

Validation of hamstrings musculoskeletal modeling by calculating peak hamstrings length at different hip angles

scientific article published on 28 January 2008

Validation of the foot profile score

scientific article published on 03 April 2019

Validation of wearable visual feedback for retraining foot progression angle using inertial sensors and an augmented reality headset

scientific article published on 15 August 2018

Walking speed modifies spasticity effects in gastrocnemius and soleus in cerebral palsy gait

scientific article published on 05 April 2009

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