In Maximum Velocity Mid flight, concentric hip flexion is described as which of the following?

In Maximum Velocity Mid flight, concentric hip flexion is described as which of the following?

• A. Accelerates thigh forward
• B. Decelerates thigh
• C. Rotates thigh backward for foot contact
• D. Stabilizes pelvis

Answer: (A)

Concentric hip flexion actively shortens the hip flexors to move the thigh forward and upward. In Maximum Velocity Mid flight, this forward-moving thigh is driven by that concentric contraction, accelerating the thigh into the swing phase so the foot can reach ahead for the next ground contact. The action isn’t about slowing the thigh, rotating it backward for contact, or stabilizing the pelvis; those effects involve different muscle actions or moments in the sprint cycle.

Concentric hip flexion actively shortens the hip flexors to move the thigh forward and upward. In Maximum Velocity Mid flight, this forward-moving thigh is driven by that concentric contraction, accelerating the thigh into the swing phase so the foot can reach ahead for the next ground contact. The action isn’t about slowing the thigh, rotating it backward for contact, or stabilizing the pelvis; those effects involve different muscle actions or moments in the sprint cycle.