psoas

Card Set Information

Author:
jcandyj_80alba
ID:
203389
Filename:
psoas
Updated:
2013-03-03 21:20:18
Tags:
Psoas
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Description:
Psoas
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  1. Origin of Psoas Major
    • Transverse processes of L1-L5
    • bodies of T12-L5 and intervertebral discs below bodies of T12-L4
    • (bodies and tvp of lumbar vertebrae)
  2. Insertion of Psoas Major
    Lesser trochanter of femur
  3. Actions of Psoas Major
    • With origin fixed: Flexes and laterally rotates thigh at hip
    • tilt pelvis anteriorly

    • with insertion fixed:
    • Flexes trunck towards the thigh
    • tilt pelvis anteriorly

    Unilaterally:Assist to laterally flex the lumbar spine
  4. Nerve that innervates the Psoas Major
     lumbar plexes L1-L4

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