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Rectus abdominis
O pubis
I Costal cartilage 5-7, xiphoid
A flex/compress abdomen
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External Oblique
O ribs 5-12
I linea alba, iliac crest
A rotates trunk, compresses abdomen
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Internal oblique
O iliac crest
I ribs 11-12, linea alba
A rotates trunk, compresses abdomen
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Transverse abdominis
O iliac crest, costal cartilage 7-12
I xiphoid, linea alba, pubis
A Compress abdomen, flex vertebral column
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Iliacus
O Iliac fossa
I lesser trochanter
A flexes hip, medially rotates femur
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Psoas Major
O lumbar vertebrae
I lesser trochanter
A flexes hip, medially rotates femur
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Gluteus Maximus
O Ilium, sacrum
I gluteal tuberosity
A extends hip and rotates femur laterally
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Gluteus Medius
O Lateral surface of ilium
I greater trochanter
A abducts hip, medially rotates femur
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Tensor fasciae latae
O Iliac crest
I tibia, by way of iliotibial tract
A Flexes and abducts hip
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