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5 Written Questions

5 Matching Questions

  1. Gracilis
  2. sciatic n. (peroneal)
  3. Semitendinosus
  4. Adductor Magnus
  5. Great Toe MP Flexion
  1. a biceps femoris**
  2. b Obturator and Sciatic (L2-L4)

    hip adduction

    Assists: may assist hip ext and flex

    Note: role in hip rotation depends on position of the thigh
  3. c Flexor Hallucis Brevis

    Flexor Hallucis Longus
    Abductor Hallucis
    Adductor Hallucis
  4. d Obturator (L2-L3)

    hip adduction
    knee flexion
    medial rotation of knee
  5. e Sciatic (tibial division) L5-S2

    knee flex
    knee IR
    hip ext

    Assists: hip IR

5 Multiple Choice Questions

  1. 1 glut minimus
    2 tensor fascia latae

    glut max (upper fibers)
    Psoas Major
    Piriformis (when hip is flexed)
    Obturator Internus (when hip is flexed)
    Gemellus Superior (when hip is flexed)
    Gemellus Inferior (when hip is flexed)
  2. Extensor Hallucis Longus
    Extensor Digitorum Brevis
  3. Obturator (L2-L4)

    hip adduction
    hip flexion
  4. 1 Rectus Femoris
    2 Vastus Medialis
    3 Vastus Lateralis
    4 Vastus Intermedius
  5. 1 Gemellus Superior
    2 Gemellus Inferior
    3 Gluteus Maximus
    4 Gluteus Medius (posterior fibers)
    5 Obturator Internus
    6 Obturator Externus
    7 Piriformis
    8 Popliteus
    9 Quadratus Femoris
    10 Sartorius

    Biceps Femoris (long head)
    Adductor Magnus (depending on position)
    Psoas Major

5 True/False Questions

  1. knee IRbiceps femoris


  2. foot inversion1 Biceps Femoris
    2 Semitendinosus
    3 Semimembranosus
    4 Sartorius
    5 Gracilis
    6 Popliteus



  3. Psoas Majorlumbar plexus ventral rami L2-4

    hip flexion (origin fixed)
    trunk flexion (insertion fixed--as in a sit-up)

    Assists: lateral trunk flexion (unilateral action), may assist hip ER and ABD

    Note: with insertion fixed, tightness contributes to increased lordosis


  4. ankle dorsiflexGastrocnemius

    Tibialis Posterior
    Flexor Digitorum Longus
    Flexor Hallucis Longus
    Peroneus Longus
    Peroneus Brevis


  5. Gemellus Superiornerve to quadratus femoris off the lumbosacral plexus (L5-S1)

    hip ER

    Assists: hip ABD when hip is flexed


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