Ely's Test assesses tightness of which muscle?

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Multiple Choice

Ely's Test assesses tightness of which muscle?

Explanation:
Rectus femoris tightness is what Ely's test reveals. This muscle crosses both the hip and knee, so when you flex the knee in a prone position, a tight rectus femoris shortens and pulls the hip into flexion, causing the thigh or pelvis to rise off the table. A positive sign—hip flexion accompanying knee flexion—indicates limited length of the rectus femoris. This pattern is specific to rectus femoris, whereas hamstrings or iliopsoas tightness would produce different test findings, and while the quadriceps as a group includes rectus femoris, the test targets the rectus femoris specifically.

Rectus femoris tightness is what Ely's test reveals. This muscle crosses both the hip and knee, so when you flex the knee in a prone position, a tight rectus femoris shortens and pulls the hip into flexion, causing the thigh or pelvis to rise off the table. A positive sign—hip flexion accompanying knee flexion—indicates limited length of the rectus femoris. This pattern is specific to rectus femoris, whereas hamstrings or iliopsoas tightness would produce different test findings, and while the quadriceps as a group includes rectus femoris, the test targets the rectus femoris specifically.

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