A short hip flexor muscle contraction will be limited to stretch the hip and trunk of the patient, is a forward and a limited stretch of the hip end of stance phase allows patients with a shorter length step .
The contraction of the hip flexor muscles, to limit the spread of hip and pulled the body of the patient leans forward. And prevent the spread of the hip at the end of the stance phase, the patient has a shorter step length.
The contraction of muscle hip short flexor restrict stretches hip and pull the body of the patient to lean forward. , and also limited the extension of the hip at the end of the stance phase patients have step length shorter .