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Origin |
Pectineal line (pecten pubis) and adjacent bone of pelvis |
Insertion |
Pectineal line of femur (oblique line that extends from base of lesser trochanter to linea aspera on posterior surface of proximal femur) |
Innervation |
Femoral nerve |
Artery |
Medial circumflex femoral artery; obturatory artery |
Action |
Adducts and flexes thigh at hip joint |
Origin |
Sides of T12-L5 vertebrae and discs that are between them; transverse processes of all lumbar vertebrae |
Insertion |
Lesser trochanter of femur |
Innervation |
Anterior rami of L1-L3 |
Artery |
Internal iliac artery |
Action |
Flexes thigh at hip joint |
Origin |
Sides of T12-L1 vertebrae and intervertebral disc between them |
Insertion |
Pectineal line of the pelvic brim; iliopubic eminence |
Innervation |
Anterior rami of L1 |
Artery |
Internal iliac artery |
Action |
Weak flexion of lumbar vertebral column |
Origin |
Upper 2/3 of iliac fossa, anterior sacro-iliac and iliolumbar ligaments, upper lateral surface of sacrum |
Insertion |
Lesser trochanter of femur |
Innervation |
Femoral nerve |
Artery |
Internal iliac artery |
Action |
Flexion of thigh at hip joint |
Origin |
Anterior superior iliac spine |
Insertion |
Superior part of medial surface of tibia |
Innervation |
Femoral nerve |
Artery |
Femoral artery |
Action |
Flexes the thigh at the hip joint and flexes the leg at the knee joint |
Origin |
Straight head:anterior inferior iliac spine
Reflected head: ilium, just superior to the acetabulum |
Insertion |
Quadriceps femoris tendon |
Innervation |
Femoral nerve |
Artery |
Lateral circumflex femoral artery |
Action |
Flexes the thigh at the hip joint and extends the leg at the knee joint |
Origin |
Greater trochanter; linea aspera of femur |
Insertion |
Quadriceps femoris tendon |
Innervation |
Femoral nerve |
Artery |
Lateral circumflex femoral artery |
Action |
Extends the leg at the knee joint |
Origin |
Intertrochanteric line and medial lip of linea aspera of femur |
Insertion |
Quadriceps femoris tendon and medial border of patella |
Innervation |
Femoral nerve |
Artery |
Femoral artery, profunda femoris artery |
Action |
Extends the leg at the knee joint |
Origin |
Upper 2/3 of anterior and lateral surfaces of femur |
Insertion |
Quadriceps femoris tendon and lateral margin of patella |
Innervation |
Femoral nerve |
Artery |
Lateral circumflex femoral artery |
Action |
Extends the leg at the knee joint |
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Origin |
Body of pubis inferior to pubic crest |
Insertion |
Middle third of linea aspera of femur |
Innervation |
Obturator nerve (anterior division) |
Artery |
Obturator artery; medial circumflex femoral artery |
Action |
Adducts and medially rotates thigh at hip joint |
Origin |
Body and inferior ramus of pubis |
Insertion |
Pectineal line, proximal part of linea aspera of femur |
Innervation |
Obturator nerve |
Artery |
Obturator artery, medial circumflex artery |
Action |
Adducts thigh |
Origin |
Adductor part—ischiopubic ramus |
Insertion |
Posterior surface of proximal femur, linea aspera, medial supracondylar line |
Innervation |
Obturator nerve (posterior division) |
Artery |
Medial circumflex femoral artery, inferior gluteal artery |
Action |
Adducts and medially rotates thigh at hip joint |
Origin |
Ischial tuberosity |
Insertion |
Adductor tubercle and supracondylar line |
Innervation |
Sciatic nerve (tibial division) |
Artery |
Medial circumflex femoral artery, inferior gluteal artery, perforating arteries |
Action |
Adducts and medially rotates thigh at hip joint |
Origin |
A line on the external surfaces of the body of the pubis, the inferior pubic ramus, and the ramus of the ischium |
Insertion |
Medial surface of proximal shaft of tibia |
Innervation |
Obturator nerve |
Artery |
Obturator artery, medial circumflex femoral artery, muscular branches of profunda femoris artery |
Action |
Adducts thigh at hip joint and flexes leg at knee joint |
Origin |
External surface of obturator membrane and adjacent bone |
Insertion |
Trochanteric fossa |
Innervation |
Obturator nerve (posterior division) |
Artery |
Obturator artery; medial circumflex femoral artery |
Action |
Laterally rotates thigh at hip joint |
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Origin |
Ischial tuberosity |
Insertion |
Medial surface of proximal tibia |
Innervation |
Sciatic nerve |
Artery |
Perforating branches of profunda femoris artery; inferior gluteal artery; popliteal artery (superior muscular branches) |
Action |
Flexes leg at knee joint and extends thigh at hip joint; medially rotates thigh at hip joint and leg at knee joint |
Origin |
Ischial tuberosity |
Insertion |
Groove and adjacent bone on medial and posterior surface of medial tibial condyle |
Innervation |
Sciatic nerve |
Artery |
Perforating branches of profunda femoris artery; inferior gluteal artery; popliteal artery (superior muscular branches) |
Action |
Flexes leg at knee joint and extends thigh at hip joint; medially rotates thigh at hip joint and leg at knee joint |
Origin |
Long head-ischial tuberosity; short head-lateral lip of linea aspera |
Insertion |
Head of fibula |
Innervation |
Sciatic nerve |
Artery |
Perforating branches of profunda femoris artery; inferior gluteal artery; popliteal artery (superior muscular branches) |
Action |
Flexes leg at knee joint; extends and laterally rotates thigh at hip joint and laterally rotates leg at knee joint |