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Question:
Where does the psoas major insert, and what action does concentric contraction of this muscle create?
A
Inserts at the lesser trochanter of the femur, and creates hip flexion
explanation
The psoas major inserts distally at the lesser trochanter of the femur. It works with the iliacus to form the iliopsoas. This muscle group either flexes the hip, or flexes the trunk forward if the femur is stationary, as with doing sit-ups.
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