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11 Cards in this Set
- Front
- Back
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Rectus femoris |
Action - Flexes thigh, extends leg
Origin - Anterior inferior iliac spine
Insertion - Quadriceps tendon to patella and then patellar ligament to tibial tuberosity
Innervation - Femoral nerve (L2–L4) |
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Tensor fasciae latae |
Action - Abducts thigh; medially rotates thigh
Origin - Iliac crest and lateral surface of anterior superior iliac spine
Insertion - Iliotibial band
Innervation - Superior gluteal nerve (L4–S1) |
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Adductor longus |
Action - Adducts thigh; flexes thigh
Origin - Pubis near pubic symphysis
Insertion - Linea aspera of femur
Innervation - Obturator nerve (L2–L4) |
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Gracilis |
Action - Adducts and flexes thigh; flexes leg
Origin - Inferior ramus and body of pubis
Insertion - Upper medial surface of tibia
Innervation - Obturator nerve (L2–L4) |
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Pectineus |
Action - Adducts thigh; flexes thigh
Origin - Pectineal line of pubis
Insertion - Pectineal line of femur
Innervation - Femoral nerve (L2–L4) or obturator nerve (L2–L4) |
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Semitendinosus |
Action - Extends thigh and flexes leg; medially rotates leg
Origin - Ischial tuberosity
Insertion - Proximal medial surface of tibia
Innervation - Tibial division of sciatic nerve (L4–S1 fibers) |
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Semimembranosus |
Action - Extends thigh and flexes leg; medially rotates leg
Origin - Ischial tuberosity
Insertion - Posterior surface of medial condyle of tibia
Innervation - Tibial division of sciatic nerve (L4–S1 fibers) |
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Tibialis Anterior |
Action - Dorsiflexes foot; inverts foot
Origin - Lateral condyle and proximal shaft of tibia; interosseous membrane
Insertion - Metatarsal I and first (medial) cuneiform
Innervation - Deep fibular nerve (L4–S1) |
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Fibularis tertius |
Action - Dorsiflexes and weakly everts foot
Origin - Anterior distal surface of fibula; interosseous membrane
Insertion - Base of metatarsal V
Innervation - Deep fibular nerve (L5–S1) |
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Gastrocnemius |
Action - Flexes leg; plantar flexes foot
Origin - Superior posterior surfaces of lateral and medial condyles of femur
Insertion - Calcaneus (via calcaneal tendon)
Innervation - Tibial nerve (L4–S1 fibers) |
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Tibialis posterior |
Action - Plantar flexes foot; inverts foot
Origin - Fibula, tibia, and interosseous membrane
Insertion - Metatarsals II–IV; navicular bone; cuboid bone; all cuneiforms
Innervation - Tibial nerve (L5–S1 fibers) |
