19.03.2023 - 12:24

Which of the following muscles does not extend the hip and flex the knee? a. Sartorius m. b. Biceps femoris m. c. Semimembranosus m. d. Semitendinosus m.

Question:

Which of the following muscles does not extend the hip and flex the knee?

a. Sartorius m.

b. Biceps femoris m.

c. Semimembranosus m.

d. Semitendinosus m.

Answers (1)
  • hotpop
    April 6, 2023 в 12:30

    The muscle that does not extend the hip and flex the knee is the Sartorius muscle.

    The Sartorius muscle is a long, thin muscle that originates from the anterior superior iliac spine of the pelvis and inserts on the medial surface of the tibia. Its primary function is to flex and laterally rotate the hip joint and also to flex the knee joint. However, it does not extend the hip joint.

    On the other hand, the Biceps femoris, Semimembranosus, and Semitendinosus muscles are all muscles of the hamstring group that cross both the hip and knee joints and function to extend the hip joint and flex the knee joint.

    So, the correct answer is a) Sartorius muscle, which does not extend the hip joint.

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