0000000000372593

AUTHOR

Josh Walker

0000-0002-8507-7706

showing 3 related works from this author

Repeatability and sensitivity of passive mechanical stiffness measurements in the triceps surae muscle‐tendon complex

2021

Measurements of muscle-tendon unit passive mechanical properties are often used to illustrate acute and chronic responses to a training stimulus. The purpose of this study was to quantify the inter-session repeatability of triceps surae passive stiffness measurements in athletic and non-athletic populations, with the view to discussing its usefulness both as a muscle-tendon profiling tool and a control measure for studies with multiple data collection sessions. The study also aimed to observe the effects of quiet standing on passive stiffness parameters. Twenty-nine men (10 cyclists, nine triathletes, 10 controls) visited the laboratory on three separate occasions, where passive stiffness t…

Malemusculoskeletal diseasesmedicine.medical_specialtyQP301.H75_Physiology._Sport.pohkeetpassive stiffnesslihaksetPhysical Therapy Sports Therapy and RehabilitationAchilles Tendonrange of motionjänteetPhysical medicine and rehabilitationTriceps surae musclemuscle-tendon mechanicsjäykkyysmedicineHumansOrthopedics and Sports MedicineSensitivity (control systems)Range of Motion ArticularMuscle SkeletalElectromyographybusiness.industryUltrasoundStiffnessRepeatabilityTendonliikkuvuusmedicine.anatomical_structurebiomekaniikkaAnklemedicine.symptombusinessRange of motionAnkle JointScandinavian Journal of Medicine & Science in Sports
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Muscle‐tendon morphology and function following long‐term exposure to repeated and strenuous mechanical loading

2019

We mapped structural and functional characteristics of muscle‐tendon units in a population exposed to very long‐term routine overloading. Twenty‐eight military academy cadets (age = 21.00 ± 1.1 years; height = 176.1 ± 4.8 cm; mass = 73.8 ± 7.0 kg) exposed for over 24 months to repetitive overloading were profiled via ultrasonography with a senior subgroup of them (n = 11; age = 21.4 ± 1.0 years; height = 176.5 ± 4.8 cm; mass = 71.4 ± 6.6 kg) also tested while walking and marching on a treadmill. A group of eleven ethnicity‐ and age‐matched civilians (age = 21.6 ± 0.7 years; height = 176.8 ± 4.3 cm; mass = 74.6 ± 5.6 kg) was also profiled and tested. Cadets and civilians exhibited similar mo…

MaleAnatomical structuresPopulationMedial gastrocnemiusPhysical Therapy Sports Therapy and RehabilitationWalking030204 cardiovascular system & hematologyTendonsYoung Adult03 medical and health sciences0302 clinical medicinemedicineHumansOrthopedics and Sports MedicineTreadmillMuscle SkeletaleducationUltrasonographyQMAchilles tendoneducation.field_of_studyRM695_Physicalbusiness.industry030229 sport sciencesAnatomyPatellar tendonBiomechanical PhenomenaTendonMilitary Personnelmedicine.anatomical_structureFascicle lengthbusinessScandinavian Journal of Medicine & Science in Sports
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Muscle‐tendon morphology and function following long‐term exposure to repeated and strenuous mechanical loading

2020

We mapped structural and functional characteristics of muscle‐tendon units in a population exposed to very long‐term routine overloading. Twenty‐eight military academy cadets (age: 21.00 ± 1.1 yrs; height: 176.1 ± 4.8 cm; mass: 73.8 ± 7.0 kg) exposed for over 24 months to repetitive overloading were profiled via ultrasonography with a senior subgroup of them (n = 11; age = 21.4 ± 1.0 yrs; height = 176.5 ± 4.8 cm; mass = 71.4 ± 6.6 kg) also tested while walking and marching on a treadmill. A group of eleven ethnicity‐ and aged‐matched civilians (age = 21.6 ± 0.7 yrs; height = 176.8 ± 4.3 cm; mass = 74.6 ± 5.6 kg) was also profiled and tested. Cadets and civilians exhibited similar morphology…

rasitusultrasoundlihaksetylikuormitusfascicle mechanicsoverloadingjänteetmarchinghermo-lihastoimintamedial gastrocnemiustriceps suraefaskiatbiomekaniikkahuman activitiespatellar tendon
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