Sportblessures Hamstring injuries
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Between 18-30 years old - Participating in a sport that involves a considerable amount of high-speed running (i.e., > ~18 km/h) for at least three times a week. Sports that meet this criterion are football (soccer) rugby, hockey, running (when performing high-intensity interval training for at least three times a week); - Male - >1.70 m of height because long individuals are needed for a simultaneous measurement of ultrasound and surface electromyographic activity.
Exclusion criteria
Exclusion criteria: - Severe visual or hearing impairment; - History of a previous injury to the leg or back within the previous 24 months;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary parameter in this study is fascicle length changes as determined by B-mode ultrasound | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary study parameters are muscle activity as determined by surface electrodes and muscle forces as determined by static inverse dynamics from external force measurements and 3D motion analysis. Other study parameters are body height, mass, age and training experience. | — |
Countries
Netherlands