Muscles of the Femoral Region

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Description and Tags

3 groups

12 Terms

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Muscles of the Anterior Compartment of the Thigh

Sartorius + quadriceps group

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Sartorius

Origin - Anterior Superior Iliac Spine

insertion - medial surface of proximal tibia

Action - flexes and laterally rotates thigh at hip, flexes leg at knee

Innervation - Femoral Nerve

<p>Origin - Anterior Superior Iliac Spine</p><p>insertion - medial surface of proximal tibia</p><p>Action - flexes and laterally rotates thigh at hip, flexes leg at knee</p><p>Innervation - Femoral Nerve</p>
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Quadriceps Femoris Group

Rectus Femoris, Vastus Lateralis, Vastus intermedius, Vastus medialis, Tensor Vastus intermedius

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<p>Rectus Femoris</p>

Rectus Femoris

Origin - Anterior Inferior Iliac Spine

Insertion - tibial tuberosity via the patellar tendon

Action - Flexes thigh at hip and extends leg at knee

Innervation - Femoral Nerve

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Vastus Lateralis

origin - lateral margin of linea aspera and greater trochanter

Insertion - tibial tuberosity viz patellar tendon

Action - Extends leg at knee

Innervation - Femoral Nerve

<p>origin - lateral margin of linea aspera and greater trochanter</p><p>Insertion - tibial tuberosity viz patellar tendon</p><p>Action - Extends leg at knee</p><p>Innervation - Femoral Nerve</p>
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Vastus Intermedius

Origin - anterior and lateral surfaces of femur

Insertion - Tibial tuberosity via patellar tendon

Action - Extends leg at knee

Innervation - Femoral Nerve

<p>Origin - anterior and lateral surfaces of femur</p><p>Insertion - Tibial tuberosity via patellar tendon</p><p>Action - Extends leg at knee</p><p>Innervation - Femoral Nerve</p>
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Vastus Medialis

Origin - medial margin of linea aspera

Insertion - tibial tuberosity via patellar tendon

Action - extend leg at the knee

Innervation - Femoral Nerve

<p>Origin - medial margin of linea aspera</p><p>Insertion - tibial tuberosity via patellar tendon</p><p>Action - extend leg at the knee</p><p>Innervation - Femoral Nerve</p>
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Tensor Vastus Intermedius

Origin - intermediate to the intertrochanteric line and greater trochanter of femur

Insertion - tibial tuberosity via the patellar tendon

Action -Extends leg at knee

Innervation - Femoral Nerve

<p>Origin - intermediate to the intertrochanteric line and greater trochanter of femur</p><p>Insertion - tibial tuberosity via the patellar tendon</p><p>Action -Extends leg at knee</p><p>Innervation - Femoral Nerve</p>
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Muscles of the Posterior Compartment of the Thigh

Biceps Femoris, Semimembranosus, Semitendinosus

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Biceps Femoris

Origin - Long Head: Ischial tuberosity Short Head: Linea Aspera

Insertion - Head of Fibula

Action - Extend thigh at hip flex leg at knee

Innervation - Sciatic nerve

<p>Origin - Long Head: Ischial tuberosity Short Head: Linea Aspera</p><p>Insertion - Head of Fibula</p><p>Action - Extend thigh at hip flex leg at knee</p><p>Innervation - Sciatic nerve</p>
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Semimembranosus

Origin - Ischial tuberosity

Insertion - Posterior medial surface of medial condyle of tibia

Action - Extend thigh at hip, flex leg at knee

Innervation - Sciatic nerve

<p>Origin - Ischial tuberosity</p><p>Insertion - Posterior medial surface of medial condyle of tibia</p><p>Action - Extend thigh at hip, flex leg at knee</p><p>Innervation - Sciatic nerve</p>
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Semitendinosus

Origin - ischial tuberosity

Insertion - medial surface of proximal tibia

Action - extend thigh at hip flex leg at knee

Innervation - sciatic nerve

<p>Origin - ischial tuberosity</p><p>Insertion - medial surface of proximal tibia</p><p>Action - extend thigh at hip flex leg at knee</p><p>Innervation - sciatic nerve </p>