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Anatomy > Week 3: Attachments, Innervations, Actions > Flashcards

Week 3: Attachments, Innervations, Actions Flashcards

1
Q

Iliopsoas (psoas major + iliacus)

A

Transverse process of lumbar vertebrae and iliac fossa

Lesser trochanter

Ventral rami of lumbar spinal nerve

Flexes hip

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2
Q

Tensor Fascia Latae

A

ASIS (anterior superior iliac spine)

Tibia via the iliotibial tract

Superior gluteal nerve

Abducts, medially rotates, and flexes the hip
Also extends knee

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3
Q

Sartorius

A

ASIS (anterior superior iliac spine)

Superior, medial surface of the tibia (pes anserinus)

Femoral nerve

Flexes and laterally rotates the hip
Also flexes the knee

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4
Q

Rectus Femoris

A

AIIS (anterior inferior iliac spine)

Tibial tuberosity (via the patellar ligament)

Femoral nerve

Flexes hip and extends the knee

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5
Q

Vastus Lateralis

A

Linea aspera

Tibial tuberosity (via the patellar ligament)

Femoral nerve

Extends the knee

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6
Q

Vastus Medalis

A

Linea aspera

Tibial tuberosity (via the patellar ligament)

Femoral nerve

Extends the knee

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7
Q

Vastus Intermedius

A

Anterior surface of the femur

Tibial tuberosity (via the patellar ligament)

Femoral nerve

Extends the knee

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8
Q

Pectineus

A

Superior Pubic Ramus

Pectineal Line (just inferior to the lesser trochanter)

Femoral nerve

Adducts and flexes the hip

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9
Q

Adductor Longus

A

Superior Pubic Ramus

Linea aspera

Obturator nerve

Adducts the hip

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10
Q

Adductor Brevis

A

Inferior pubic ramus

Linea aspera

Obturator nerve

Adducts the hip

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11
Q

Gracilis

A

Inferior pubic ramus

Superior, medial surface of the tibia (pes anserinus)

Obturator nerve

Adducts the hip and flexes the knee

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12
Q

Obturator Externus

A

Obturator membrane

Trochanteric fossa

Obturator nerve

Laterally rotates the hip

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13
Q

Adductor Magnus

A

Adductor part: inferior pubic ramus
Hamstring part (post head): ischial tuberosity

Adductor part: linea aspera
Hamstring part: adductor tubercle of femur

Adductor part: obturator nerve
Hamstring part: tibial division of sciatic nerve

Adducts hip (both parts)
Hamstring part: also extends the hip

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14
Q

Gluteus Maximus

A

External surface of ilium, posterior surface of sacrum and sacrotuberous ligament

Iliotibial tract (mostly) and gluteal tuberosity

Inferior gluteal nerve

Chief extensor of the thigh; also assist in laterally rotating

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15
Q

Gluteus Medius

A

External surface of ilium

Greater trochanter

Superior Gluteal nerve

Abducts, Anterior fibers: medially rotates thigh
Posterior fibers: laterally rotates thigh

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16
Q

Gluteus Minimus

A

External surface of ilium

Greater trochanter

Superior Gluteal nerve

Abducts and medially rotates thigh

17
Q

Tensor Fasciae Latae (TFL)

A

ASIS, anterior part of iliac spine

Proximal tibia via the iliotibial tract

Superior Gluteal nerve

Abducts, medially rotates, and flexes thigh; extends knee

18
Q

Piriformis

A

Anterior surface of sacrum

Greater trochanter

Nerve to piriformis

Laterally rotate the thigh; also stabilizes hip joint

19
Q

Obturator Internus

A

Internal surface of obturator foramen and surrounding bones

Greater trochanter

Nerve to obturator internus

Laterally rotate the thigh; also stabilizes hip joint

20
Q

Superior and Inferior Gemellus

A

Superior: ischial spine
Inferior: ischial tuberosity

Greater trochanter

Superior: nerve to obturator internus
Inferior: nerve to quadratus femoris

Laterally rotate the thigh; also stabilizes hip joint

21
Q

Quadratus Femoris

A

Ischial tuberosity

Intertrochanteric crest

Nerve to quadratus femoris

Laterally rotate the thigh; also stabilizes hip joint

22
Q

Obturator externus

A

Margins of obturator foramen and obturator membrane

Trochanteric fossa

Obturator nerve

Laterally rotates the thigh

23
Q

Semi-tendinosus

A

Ischial tuberosity

Superior medial surface of tibia

Tibial division of sciatic nerve

Flexes the leg and can extend hip

24
Q

Semi-membranosus

A

Ischial tuberosity

Medial condyle of tibia

Tibial division of sciatic nerve

Flexes the leg and can extend hip

25
Q

Biceps Femoris

A

Long head: ischial tuberosity
Short head: linea aspera

Head of fibula and lateral condyle of tibia

Long head: tibial division of sciatic nerve
Short head: common fibular (peroneal) division of sciatic nerve

Long head: flex the leg and extend hip
Short head: flexes the leg

Anatomy (4 decks)

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