If a Patient, Who Is in a Prone-Lying Position with a Cuff

If a patient, who is in a prone-lying position with a cuff weight around his ankle, flexes his knee from a fully extended (0°) position to a fully flexed (150°) position, what type(s) of contraction will occur in which muscle group(s) ?

A) The knee flexors contract concentrically through the full ROM.
B) The knee flexors contract concentrically from 0° to 90°, and the knee extensors contract eccentrically from 90° to 150° of flexion.
C) The knee flexors contract eccentrically from 0° to 90°, and the knee extensors contract concentrically from 90° to 150° of flexion.
D) The knee flexors contract eccentrically throughout the full ROM.

Correct Answer:

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