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Spine Anatomy

Gluteal and Pelvic muscles

QuestionAnswer
Glutues Maximus PA= Ilium posterior to posterior gluteal line, dorsal surface of sacrum and cocyx,and sacrotuberous ligament
Gluteus Medius PA= external surface of ilium between posterior and anterior gluteal lines
Gluteus Minimis PA= External surface of ilium between anterior and inferior gluteal lines
What 5 mm's all ER and stabilize the femoral head in the acetabulum? (only need to ID and know A's for these) Obturator internus and externus, superior and inferior gemellus, quadratus femoris
Rectus Abdominis O= Pubic Symphysis, Pubic Crest
External Oblique O= External surfaces of ribs
Internal Oblique O= thoracoculumnar fascia, iliac crests, and inguinal ligament.
Transversus Abdominis O= costal cartilages, thoracoculumnar fascia, iliac crest, inguinal ligament.
Quadratus Luborum (QL) SA= 12th rib and lumbar TP.
Iliacus 0= iliac crest, iliac fossa, ala of sacrum, and anterior sacroiliac ligaments.
Psoas O= intervertebral discs (T12-L5), TP (L1-L5).
TFL PA= ASIS and iliac crest.
Gluteus Maximus DA= ITB and gluteal tuberosity of femur
Gluteus Maximus N= inferior gluteal (S1, S2)
Gluteus Maximus A= Hip ext and ER
Gluteus Medius DA= Greater Trochanter
Gluteus Medius N= Superior glutea (L5)
Gluteus Medius A= Anterior- Hip ABD, Flex, IR; Posterior- Hip ABD, Ext, ER
Gluteus Minimus DA= Greater Trochanter
Gluteus Minimus N= Superior Gluteal (L5)
Gluteus Minimus A= Hip ABD, IR
Recuts Abdominus I= Xiphoid and costal cartilages
Rectus Abdominus N= VR
Rectus Abdominus A= Flexes trunk (lumbar vert), and compresses/supports abdominal viscera
External Oblique I= Linea alba, pubic tubercle, iliac crests
External Oblique A= Flex trunk, laterally flex trunk to ipsilateral side, rotate trunk to contralateral side(with oposite external oblique), compress and support abdominal viscera
External Oblique N= VR
Internal Oblique I= inferior border of ribs, linea alba, pecten pubis.
Internal Oblique A= flex trunk, lat flex trunk, trunk rotation at impsilateral side.
Internal Oblique N= VR
Transversus Abdominus I= linea alba, pecten pubis, pubic crest.
Transversus Abdominus A= compresses and supports abdominal viscera.
Tranversus Abdominus N= VR
Quadratus Lumborum (QL) IA= Iliolumbar ligament and iliac crest.
Quadratus Lumborum (QL) N= VR T12-L4.
Quadratus Lumborum (QL) A= laterally flexes vert column.
Iliacus I= Lesser trochanter of femur.
Iliacus N= Femoral (L2).
Iliacus A= hip flex.
Psoas I= Lesser trochanter of femur.
Psoas N= VR (L1, L2).
Psoas A= Hip flex.
TFL DA= ITB.
TFL N= superior gluteal (L5).
TFL A= Hip ABD, IR, Flex. can assist in knee flex/ext (via ITB insertion).
Piriformis PA= Anterior surface of sacrum and sacrotuberous ligament
Piriformis DA= Greater trochanter of femur
Piriformis N= Nerve to piriformis (S1)
Priformis A= Externally rotates hip below 60 degrees flexion;internally rotates hip above 90 degrees flexion. Stabilizes femoral head in acetabulum.
Created by: txst spr 2009