Anatomy: Muscles of the hip, thigh, and abdomen
Anatomy
Origin, insertion, action of the muscles of the hip, thigh, and abdomen for human anatomy. Contains pictures.
Sample Data
| Front | External oblique |
| Back | Origin: anterior inferior aspect of ribs 5-12Insertion: iliac crest and linea albaAction: compression of abdominal cavityNerve: anterior rami of thoracic spinal nerves T7-T12
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| Front | Gracilis |
| Back | Origin: body and inferior ramus of pubisInsertion: Medial surface of body of tibia*common insertion point at pes anserineAction: flexion of leg at knee joint;adduction of thigh at hip joint; medial rotation of thigh at hip joint;Nerve: obturator nerve
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| Front | Rectus femoris |
| Back | Origin: anterior inferior iliac spine (AIIS)Insertion: Patella via quadriceps tendon; tibial tuberosity via patella ligamentAction: all four heads of quadriceps femoris extend leg at knee joint; Rectus femoris muscle (alone) flexes thigh at hip jointNerve: femoral nerve
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