Running Retraining to Minimize Braking Forces

Not Applicable

Completed

Interventions: Device: Real-time visual biofeedback during treadmill running

Brief Summary: The proposed research study aims to investigate whether a gait modification training program to decrease peak braking forces during the stance phase of running will result in a reduction in impact loading and the incidence of running-related injuries among recreational distance runners.

Recruitment & Eligibility

Inclusion Criteria

Ability to commit to a 15-week half-marathon training program
Have been running for at least 3 months prior to study commencement
Have participated in 2 or less half-marathons previously
Ability to run on a treadmill unaided
Ability to travel to testing facility for running analysis pre- and post-training program as well as for gait retraining sessions
Ability to understand written and spoken English
Meet the screening requirements (display less than -0.27BW mean peak braking force at baseline/screening assessment)

Exclusion Criteria

Any lower extremity pathology in the previous 3 months or currently have pain in their lower back or lower extremities while running
Have undergone hip, knee, or ankle joint surgery

Arm && Interventions

Group	Intervention	Description
Real time biofeedback	Real-time visual biofeedback during treadmill running	Real-time visual biofeedback of braking forces during a treadmill run.

Primary Outcome Measures

Name	Time	Method
Peak Braking Force	15 weeks	The peak horizontal force applied in the posterior direction during the stance phase of running

Secondary Outcome Measures

Name	Time	Method
Step Length	15 weeks	The average step length
Average Vertical Loading Rate	15 weeks	The average vertical loading rate during stance phase

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