The INFOJUSTICE Journal

 

 

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THE MUSCLES OF THE POST ABDOMINAL WALL & PELVIC WALL AND FLOOR

          ORIGIN                               INSERTION                 INNERVATION        ARTERY          ACTION

 Posterior Abdominal Wall

Psoas Major      Sides of inter vert discs      Lesser Trochanter        Lumbar Plexus     Lumbar             Flexes thigh

                         & adj. Vert bodies T12-                                               L2-L3 Femoral N    1-4                  trunk

                         L5 Tps and lumbar vert  joint

Psoas Minor     Body and intervert. Disk         Pelvic Brim at                 Lumbar plexus                           Assists

                         Of T12-L1                               Pectinate line                 T12, L2                                       Psoas major

Iliacus              Ant. Iliac fossae, ant side       With PSOAS MAJOR      branches of femoral                  Flex at hip

                        Of crest of iliac m, +               at Ilio Psoas                    L2, L3                                       

                       Lig holding iliac bone to           under inguinal over

                        Ant. Sacral-iliac lig                  pelvic brim

 

PELVIC WALL AND FLOOR:

1.  Obturator Internus Forms Lateral side of Pelvic Wall                         L5, S1, S2               Inf. Glut A.

2.  Piriformis                Anterior side of sacrum inside of pelvis              S1, S2                      Inf. Glut

3.  Coccygeus            Ischial spine                     Lateral borders of        Coccygeal Nerve     Inf. Glut     No action

                                   support lower 2 sacral     Floor

4.  Levator Ani.          Forms the Pelvic diaphragm or bottom of pelvic cavity                         Inf. Glut'

 

1.  Puborectalis        Pubis Ramis not seen from    unite with pubo-       Pudendal S3, S4     Inf. Glut      Sustain wt2

                                                                                                                                                              pelvic surface 

                                Coccygeus into itself              pelvic cavity

2.  Pubococcygeus Ramis of pelvis                       sacrum and coccyx   Pudendal S3-S4     Inf. Glut   Sustain wt of

                                forms anococcygeal              pelvic cavity                                                              ligament

3. Iliococcygeus      Arcus tendinous + Ramis of   Coccyx                     Pudendal S3-S4     Inf. Glut    Sustain wt of

                                spine of ischeum                     pelvic cavity

by Dr. Scott David Neff MSOM MPS-BT DC DABCO CFE FFAAJTS 09-31-2004

 

& TM 1998 American Academy for Justice Through Science. All rights reserved.

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