Lower extremities - anterior and medial thigh + gluteal region Flashcards Preview

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Flashcards in Lower extremities - anterior and medial thigh + gluteal region Deck (24):
1

Psoas major

PA - lumbar vertebrae

DA - less trochanter (as iliopsoas)

Nerve - femoral nerve

Artery - medial femoral circumflex artery

Action - flexion of thigh and vertebral column

2

Iliacus

Proximal: Iliac fossa

Distal: Lesser trochanter (as iliopsoas muscle)

Nerve: Femoral nerve

Artery: Medial femoral circumflex artery

Action: Flexion of the thigh

3

Quadratus lumborum

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

4

Sartorius

Proximal:
ASIS
Distal:
Medial side of proximal tibia

Nerve:
Femoral nerve
Artery:
Femoral artery

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

5

Rectus femoris

Proximal:
AIIS
Distal:
Tibial tuberosity

Nerve:
Femoral nerve
Artery:
Lateral femoral circumflex artery

Action:
Hip flexion
Knee extension

6

Vastus lateralis

Proximal:
Greater trochanter
Linea aspera

Distal:
Tibial tuberosity

Nerve:
Femoral nerve
Artery:
Femoral artery

Action:
Knee extension

7

Vastus medialis

Proximal:
Intertrochanteric line
Linea aspera

Distal:
Tibial tuberosity

Nerve:
Femoral nerve
Artery:
Femoral artery

Action:
Knee extension

8

Vastus intermedius

Proximal:
Anterior and lateral surface of the femur

Distal:
Tibial tuberosity

Nerve:
Femoral nerve
Artery:
Femoral artery

Action:
Knee extension

9

Pectineus

Proximal:
Superior pubic ramus

Distal:
Pectineal line of the femur

Nerve:
Obturator nerve
Femoral nerve
Artery:
Obturator artery

Action:
Hip flexion, adduction, medial rotation

10

Gracilis

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

11

Adductor longus

Proximal:
Superior pubic ramus

Distal:
Linea aspera

Nerve:
Obturator nerve

Artery:
Obturatory artery

Action:
Adduction of the thigh

12

Adductor brevis

Proximal:
Pubic bone

Distal:
Pectineal line
Linea aspera

Nerve:
Obturator nerve

Artery:
Obturator artery

Action:
Adduction of the thigh

13

adductor magnus

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

14

Gluteus maximus

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

15

Gluteus medius

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

16

Gluteus minimus

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

Piriformis

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

Obturator internus

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

Superior gemellus

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

Inferior gemellus

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

Quadratus femoris

Proximal:
Ischial tuberosity

Distal:
Intertrochanteric crest

Nerve:
Nerve to quadratus femoris (L5, S1)

Artery:
Inferior gluteal artery

Action:
Lateral rotation of the thigh

22

Tensor fasciae latae

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

All muscles in the anterior thigh compartment are innervated by?

Femoral nerve

24

All muscles in medial thigh are innervated by?

Obturator nerve

EXCEPTIONS
Pectineus -> also gets innervation from femoral nerve

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