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

question 2

Multiple Choice

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.

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