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Musculoskeletal and skin > Lower extremities - anterior and medial thigh + gluteal region > Flashcards

Lower extremities - anterior and medial thigh + gluteal region Flashcards

1
Q

Psoas major

A

PA - lumbar vertebrae

DA - less trochanter (as iliopsoas)

Nerve - femoral nerve

Artery - medial femoral circumflex artery

Action - flexion of thigh and vertebral column

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2
Q

Iliacus

A

Proximal: Iliac fossa

Distal: Lesser trochanter (as iliopsoas muscle)

Nerve: Femoral nerve

Artery: Medial femoral circumflex artery

Action: Flexion of the thigh

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3
Q

Quadratus lumborum

A

Proximal:
Transverse processes of T and L spine
12th rib

Distal:
Iliac crest
Iliolumbar ligament

Nerve:
T12, L1-L4

Blood:
Lumbar arteries

Action:
Lateral flexion of the vertebral column
Anchors the inferior rib cage during respiration

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4
Q

Sartorius

A

Proximal:
ASIS
Distal:
Medial side of proximal tibia

Nerve:
Femoral nerve
Artery:
Femoral artery

Action:
Flexion, abduction, and external rotation of thigh
Knee flexion

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5
Q

Rectus femoris

A

Proximal:
AIIS
Distal:
Tibial tuberosity

Nerve:
Femoral nerve
Artery:
Lateral femoral circumflex artery

Action:
Hip flexion
Knee extension

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6
Q

Vastus lateralis

A

Proximal:
Greater trochanter
Linea aspera

Distal:
Tibial tuberosity

Nerve:
Femoral nerve
Artery:
Femoral artery

Action:
Knee extension

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7
Q

Vastus medialis

A

Proximal:
Intertrochanteric line
Linea aspera

Distal:
Tibial tuberosity

Nerve:
Femoral nerve
Artery:
Femoral artery

Action:
Knee extension

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8
Q

Vastus intermedius

A

Proximal:
Anterior and lateral surface of the femur

Distal:
Tibial tuberosity

Nerve:
Femoral nerve
Artery:
Femoral artery

Action:
Knee extension

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9
Q

Pectineus

A

Proximal:
Superior pubic ramus

Distal:
Pectineal line of the femur

Nerve:
Obturator nerve
Femoral nerve
Artery:
Obturator artery

Action:
Hip flexion, adduction, medial rotation

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10
Q

Gracilis

A

Proximal
Pubic bone

Distal:
Medial condyle of the tibia

Nerve:
Obturator nerve

Artery:
Medial circumflex femoral artery

Action:
Adduction of the thigh
Flexion of the leg

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11
Q

Adductor longus

A

Proximal:
Superior pubic ramus

Distal:
Linea aspera

Nerve:
Obturator nerve

Artery:
Obturatory artery

Action:
Adduction of the thigh

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12
Q

Adductor brevis

A

Proximal:
Pubic bone

Distal:
Pectineal line
Linea aspera

Nerve:
Obturator nerve

Artery:
Obturator artery

Action:
Adduction of the thigh

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13
Q

adductor magnus

A

Proximal:
Ischiopubic ramus
Ischial tuberosity

Distal:
Gluteal tuberosity
Linea aspera
Medial supercondylar line
Adductor tubercle

Nerve:
Obturator nerve
Tibial division of the sciatic nerve (ischiocondylar portion)

Artery:
Obturator artery

Action:
Adduction and extension of the thigh

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14
Q

Gluteus maximus

A

Proximal:
Ilium (part that lies posterior to the posterior gluteal line)
Posterior surface of the sacrum and coccyx
Sacrotuberous ligament

Distal:
Iliotibial tract
Lateral condyle of the tibia (via iliotibial tract)
Gluteal tuberosity of the femur

Nerve:
Inferior gluteal nerves (S1, S2)

Artery:
Superior and inferior gluteal artery

Action:
Extension of the thigh

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15
Q

Gluteus medius

A

Proximal:
Deep surface of the gluteal aponeurosis
Lateral surface of the ilium (b/w posterior and anterior gluteal lines)

Distal:
Greater trochanter

Nerve:
Superior gluteal nerve (L5)

Artery:
Superior gluteal artery

Action:
Abduction of the thigh
Medial rotation of the thigh

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16
Q

Gluteus minimus

A

Proximal:
Lateral surface of the ilium
(b/w anterior and inferior gluteal line)

Distal:
Greater trochanter

Nerve:
Superior gluteal nerve (L5)

Artery:
Superior gluteal artery

Action:
Abduction of the thigh
Medial rotation of the thigh

17
Q

Piriformis

A

Proximal:
Anterior surface of the sacrum

Distal:
Greater trochanter

Nerve:
Ventral rami (S1)

Artery:
Superior and inferior gluteal artery
Lateral sacral artery

Action:
Lateral rotation of the thigh

18
Q

Obturator internus

A

Proximal:
Margin of the obturator foramen
Inner surface of the obturator membrane

Distal:
Medial side of the greater trochanter

Nerve:
Nerve to obturator internus (S1)

Artery:
Superior gluteal artery

Action:
Lateral rotation of the thigh

19
Q

Superior gemellus

A

Proximal:
Ischial spine

Distal:
Medial side of the greater trochanter

Nerve:
Nerve to obturator internus (S1)

Artery:
Inferior gluteal artery

Action:
Lateral rotation of the thigh

20
Q

Inferior gemellus

A

Proximal:
Ischial tuberosity

Distal:
Medial side of the greater trochanter

Nerve:
Nerve to quadratus femoris (L5, S1)

Artery:
Inferior gluteal artery

Action:
Lateral rotation of the thigh

21
Q

Quadratus femoris

A

Proximal:
Ischial tuberosity

Distal:
Intertrochanteric crest

Nerve:
Nerve to quadratus femoris (L5, S1)

Artery:
Inferior gluteal artery

Action:
Lateral rotation of the thigh

22
Q

Tensor fasciae latae

A

Proximal:
ASIS

Distal:
Iliotibial tract

Nerve:
Superior gluteal nerve (L5)

Artery:
Lateral circumflex femoral artery
Superior gluteal artery

Action:
Abduction of the thigh
Medial rotation of the thigh

23
Q

All muscles in the anterior thigh compartment are innervated by?

A

Femoral nerve

24
Q

All muscles in medial thigh are innervated by?

A

Obturator nerve

EXCEPTIONS
Pectineus -> also gets innervation from femoral nerve

Ishiocondylar division of adductor magnus gets innervation from tibial division of sciatic nerve

Musculoskeletal and skin (11 decks)

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