PDF Notes: myologie du mb inf (1)

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    What is the function of the iliopsoas muscle?

    Main flexor and lateral rotator of the thigh.

    What muscles make up the iliopsoas?

    Composed of the psoas major and iliacus.

    How does the iliacus muscle originate?

    From the iliac crest and sacrum.

    What is the role of the fascia iliaca?

    Covers the iliopsoas and attaches to muscle insertions.

    What distinguishes the gluteus maximus from other gluteal muscles?

    It is the largest and most powerful muscle in the body.

    What is the primary function of the gluteus medius?

    Abducts the thigh and stabilizes the pelvis.

    What is the origin of the gluteus maximus?

    From the iliac crest, sacrum, and coccyx.

    What happens if the gluteus medius is weak?

    It can lead to pelvic instability during walking.

    What is the function of the quadriceps femoris?

    Extends the knee and flexes the thigh.

    How is the quadriceps femoris structured?

    Composed of four muscles: rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis.

    What is the role of the sartorius muscle?

    Flexes the thigh and leg, and assists in lateral rotation.

    What is the primary function of the adductor longus?

    Adducts and flexes the thigh.

    How does the adductor magnus differ from other adductors?

    It is a powerful adductor and also extends the thigh.

    What is the origin of the gracilis muscle?

    From the pubis near the symphysis.

    What is the function of the tensor fasciae latae?

    Stabilizes the hip and knee during standing.