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18 Cards in this Set
- Front
- Back
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Anterior muscles (Abdominals) |
Rectus abdominis Internal oblique External oblique Transversus abdominis |
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Lateral muscles |
Quadratus lumborum |
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Superficial posterior |
Latissimus dorsi Scapular muscles |
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Posterior muscles |
•Erector spinae group (most superficial) •Transversospinalis group(middle) •Interspinales & intertransversarii (Deepest)
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Rectus abdominis (six pack)
General info O I A |
Runs vertically, halves separated by linea alba O: pubis I:costal cartilages 5-7 A:Flexes trunk |
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External oblique (hands on hips) O I A |
O:lower lateral 8 ribs I:iliac crest, linea alba A:Bilat: trunk flex Unilat: ipsilateral, lateral flex |
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Internal oblique
O I A
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O:inguinal ligament, iliac crest, thoracolumbar fascia I: ribs 10-12, abdominal aponeurosis A:Bilat: trunk flex :Unilat: ipsilateral, lateral rotation, ipsilateral rotation |
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Transverse abdominus
Superficial or deep? General info A |
Deepest anterior trunk muscle Runs in transverse fashion across abdomen A: compression of abdomen("sucking in the gut) Spine stabilization |
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Lateral muscle(s) |
Quadratus lumborum |
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Quadratus lumborum
O I A |
O: iliac crest I: rib 12, L2-L5 transverse processes A: side bending. Hip hiking |
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Superficial posterior muscles |
Thoracolumbar fascia Latissimus dorsi Trapezius Rhomboids Serratus anterior Rotator cuff |
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Latissimus dorsi O I A NS |
O:thoracomlumbar fascia, T7-L5 spinous processes, posterior sacrum &iliac crest, lower 3 ribs I:medial lip bicipital groove A:Shoulder Ext, ADduction, Medial Rotation NS: thoracodorsal nerve |
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Rhomboids O I A NS |
O: C7-T5 spinous processes I: vertebral border of scapula A: Retraction, elevation, downward rotation NS: Dorsal Scapular nerve |
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Serratus anterior O I A NS |
O: lateral surfaces ribs (1-8) sometimes 9 I: vertebral border of scapula A: protraction, upward rotation NS: long thoracic nerve |
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Erector spinae
Name from medial to lateral Action |
Spinalis, longissimus, Iliocostalis A: Bilat: extension Unilat: sidebend |
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Transversospinalis group O I A |
All arise on transverse processes I: spinous processes A: Bilat: extension Unilat: ipsilateral sidebend |
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Interspinales Attachment sites Action |
Spinous processes to spinous processes A: extends spine |
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Intertransversarii Attachment sites Action |
Transverse process to transverse process Sidebending |
