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Anatomy > Hip Muscles > Flashcards

Hip Muscles Flashcards

1
Q

Pectineus

A

Origin- Superior ramus of pubis
Insertion- Pectineal line of femur to lesser trochanter
Innervation- Femoral Nerve L2
Action- Adducts/ slightly flexes hip joint

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2
Q

Iliopsoas

A

Origin- Sides of T12-L5 vertebrae/ all transverse processes of all lumbar vertebrae
Insertion- Lesser trochanter of femur
Innervation- Anterior rami of Lumbar nerves L1-L3
Action- Act conjointly in flexion and lateral rotation of hip joint and stabilizing this joint when standing

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3
Q

Sartorius

A

Origin- Iliac spine/Superior part of notch inferior to it
Insertion- Superior part of medial surface of tibia
Innervation- Femoral nerve L2, L3
Action - flexes, abducts and laterally rotates hip; flexes knee

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4
Q

Rectus femoris

A

Origin- Anterior inferior iliac spine and ilium superior to acetabulum
Insertion- common tendinous and independent attachments to base of patella; medial/lateral vasti also attach to tibia and patella via aponeuroses
Innervation- Femoral nerve L3,L4
Action- Extends knee joint; rectus Femoris also steadies hip joint and iliopsoas flexes hip joint

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5
Q

Vastus Lateralis

A

Origin- Greater trochanter/ lateral lip of linea aspera of femur
Insertion- Common tendinous and independent attachments to base of patella ; medial and lateral vasti also attach to tibia and patella via aponeuroses
Innervation- Femoral nerve L3, L4
Action- extends knee joint; rectus femoris steadies hip joint and iliopsoas flexes hip joint

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6
Q

Vastus Medialis

A

Origin- Intertrochanteric line and medial lip of linea aspera of femur
Insertion- via common tendinous and independent attachments to base of the patella; medial and lateral vasti also attach to tibia and patella via aponeurosis
Innervation- Femoral nerve L2-L4
Action- Extends knee joint; rectus femoris also steadies hip joint and helps iliopsoas flex hip joint

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7
Q

Vastus Intermedius

A

Origin- Anterior and lateral surfaces of shaft of femur
Insertion- Via common tendinous and independent attachments to base of patella; medial and lateral vasti also attach to tibia and patella via aponeurosis
Innervation- Femoral nerve L2-L4
Action- Extends knee joint; rectus femoris also steadies hip joint and helps iliopsoas flex hip joint

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8
Q

Adductor longus

A

Origin- Body of pubis inferior to pubic crest
Insertion- middles third of linea aspera of femur
Innervation- Obturator nerve and branch of anterior division L2-L4
Action- Adducts hip joint

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9
Q

Adductor Brevis

A

Origin- Body and inferior ramus of pubis
Insertion- pectineal line and proximal part of linea aspera of femur
Innervation- obturator nerve and branch of anterior division L2-L4
Action- Adducts hip joint and to some extend/flex

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10
Q

Gracilis

A

Origin- Body of inferior ramus of pubis
Insertion- Superior part of medial surface of tibia
Innervation- Obturator nerve L2, L3
Action Adducts hip joint; flexes knee joint, medially rotating when flexed

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11
Q

Adductor Magnus

A

Origin-
Adductor Part: inferior ramus of pubis and ramus of ischium
Hamstring Part: Ischial tuberosity
Insertion-
Adductor part: Gluteal tuberosity, linea aspera and medial supracondylar line
Hamstring part: Adductor tubercle of the femur
Innervation-
Adductor Part: Obturator nerve L2-L4 and branches of posterior division
Hamstring part: Tibial part of sciatic nerve L4
Action - Adducts hip Joint
Adductor part: flexes hip joint
Hamstring part: extend hip joint

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12
Q

Obturator Externus

A

Origin- Margins of obturator foramen and obturator membrane
Insertion- Trochanter fossa of femur
Innervation- Obturator nerve L3, L4
Action Laterally rotates hip joint; Stabilizes hip joint

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13
Q

Gluteus Maximus

A

Origin- Ilium; dorsal surface of sacrum and coccyx; sacrotuberous ligament
Insertion- Most fibers end in the iliotibial tract which inserts into lateral condyle of tibia; some fibers insert on gluteal tuberosity
Innervation- Inferior gluteal nerve L5-S2
Action- Extends hip joint and assists in lateral rotation; flexes hip joint and assists in rising from sitting position

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14
Q

Gluteus Medius

A

Origin- External surfaces of ilium between anterior and posterior gluteal lines
Insertion- Lateral surface of greater trochanter of femur
Innervation- superior gluteal nerve L5, S1
Action- abducts and medially rotates hip joint

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14
Q

Gluteus Medius

A

Origin- External surfaces of ilium between anterior and posterior gluteal lines
Insertion- Lateral surface of greater trochanter of femur
Innervation- superior gluteal nerve L5, S1
Action- abducts and medially rotates hip joint

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15
Q

Gluteus Minimus

A

Origin- External surface of ilium between anterior and posterior gluteal lines
Insertion- Anterior surface of greater trochanter of femur
Innervation- Super gluteal nerve L5, S1
Action- Abduct and medially rotate hip joint

16
Q

Tensor Fascia Latae

A

Origin- Anterior superior iliac spine; anterior part of iliac crest
Insertion- Iliotibial tract, which attaches to lateral condyle of tibia
Innervation- superior gluteal nerve L5, S1
Action- Abduct and medially rotate hip

17
Q

Superior Gemelli

A

Origin- Ischial spine
Insertion- Medial surface of greater trochanter of femur
Innervation- Nerves to obturator internus L5, S1
Action- Laterally rotate extend hip joint and abduct hip joint when flexed, stabilize

18
Q

Inferior Gemelli

A

Origin- Ischial Tuberosity
Insertion- Medial surface of greater trochanter of femur
Innervation- To quadratus femoris L5, S1
Action- Laterally rotate extend hip joint and abduct hip joint when flexed

19
Q

Quadratus Femoris

A

Origin- Lateral border of ischial tuberosity
Insertion- Quadrate tubercle on interochanteric crest of femur and area inferior to it
Innervation- Nerve to quadratus femoris L5, S1
Action- Laterally rotates and stabilizes hip joint

20
Q

Semitendinosus

A

Origin- Ischial tuberosity
Insertion- Superior part of media surface of tibia
Innervation- Tibial division of sciatic nerve part of tibia L5, S1, S2
Action- Extend hip joint; flex knee joint and medially rotate it when flexed

21
Q

Semimembranousus

A

Origin- Ischial tuberosity
Insertion- posterior part of medial condyle of tibia
Innervation- Tibial division of sciatic nerve part of tibia L5, S1,S2
Action- extend hip joint; flex knee joint and medially rotate it when flexed

22
Q

Biceps Femoris

A

Origin-
Long head; Ischial tuberosity
Short head; linea aspera and lateral supracondylar line of femur
Insertion- Lateral side of head of fibula, tendon split at site of fibular collateral ligament of knee
Innervation-
Long head; tibial division of sciatic nerve L5, S1, S2
Short head; common fibular division of sciatic nerve L5, S1, S2
Action- flexes knee and laterally rotates it when flexed; long head extends hip joint

Anatomy (11 decks)

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