Thursday, March 7, 2013

Limbs Muscles of Lower Extremity Notes


  1. Describe the Muscles that Move the Thigh, Leg, and Foot
    1. Thigh  
      1. Iliacus 
        1. Iliac fossa lesser trochanter of the femur 
        2. Flexes hip 
      2. Psoas 
        1. T12-L4 lesser trochanter of the femur 
        2. Flexes hip 
      3. Sartorius 
        1. Anterior superior iliac spine pes anserine 
        2. Flexes and laterally rotates 
      4. Rectus Femoris 
        1. Ilium patella tibia 
        2. Flexes 
      5. Gracilis 
        1. Inferior pubic ramus pes anserine 
        2. Adducts 
      6. Adductor longus 
        1. Medial pubis linea alba 
        2. Adducts 
      7. Adductor brevis 
        1. Medial pubis linea alba 
        2. Adducts 
      8. Adductor magnus 
        1. Inferior pubic ramus linea alba
        2. Adducts and extends  
      9. Biceps femoris long head
        1. Ischial tuberosity head of fibula 
        2. Extends thigh 
      10. Semitendinosus 
        1. Ischial tuberosity pes anserine
        2. Extends 
      11. Semimembranosus
        1. Ischial tuberosity pes anserine 
        2. Extends Thigh 
    2. Leg 
      1. Rectus Femoris 
        1. Ilium patella 
        2. Extend 
      2. Vastus Lateralis 
        1. Femur patella 
        2. Extends 
      3. Vastus medialis 
        1. Femur patella 
        2. Extends 
      4. Vastus intermedialus 
        1. Femur patella
        2. Extends 
      5. Biceps femoris long head
        1. Ischial tuberosity head of the fibula 
        2. Flex and laterally rotate 
      6. Semitendinosus 
        1. Ischial tuberosity medial tibia 
        2. Flexes and medially rotates 
      7. Semimembranosus 
        1. Ischial tuberosity medial tibia 
        2. Flexes and medially rotates 
    3. Foot 
      1. Tibialis Anterior 
        1. Anterior tibia inferior medial cuneiform 
        2. Extends 
      2. Extensor digitorum 
        1. Interosseous membrane 2-5 phalanges 
        2. Extends 
      3. Extensor hallicis 
        1. Fibular and interosseous membrane First phalange 
        2. Extends 
      4. Peroneus longus and brevis 
        1. Lateral fibula fifth metatarsal 
        2. Plantar flexion 
      5. Gastrocnemius 
        1. Medial head (medial condyle) lateral head (lateral condyle) calcaneal tuberosity 
        2. Plantar flexion 
      6. Soleus 
        1. Posterior superior tibia and fibula calcaneal tuberosity 
        2. Plantar flexion 
      7. Flexor digitorum 
        1. Posterior fibula phalanges 2-5 
        2. Flex 
      8. Flexor hallicis 
        1. Posterior fibula first phalange
        2. Flex big toe  

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