Lower extremities - anterior and medial thigh + gluteal region Flashcards
(24 cards)
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
Iliacus
Proximal: Iliac fossa
Distal: Lesser trochanter (as iliopsoas muscle)
Nerve: Femoral nerve
Artery: Medial femoral circumflex artery
Action: Flexion of the thigh
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
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
Rectus femoris
Proximal:
AIIS
Distal:
Tibial tuberosity
Nerve:
Femoral nerve
Artery:
Lateral femoral circumflex artery
Action:
Hip flexion
Knee extension
Vastus lateralis
Proximal:
Greater trochanter
Linea aspera
Distal:
Tibial tuberosity
Nerve:
Femoral nerve
Artery:
Femoral artery
Action:
Knee extension
Vastus medialis
Proximal:
Intertrochanteric line
Linea aspera
Distal:
Tibial tuberosity
Nerve:
Femoral nerve
Artery:
Femoral artery
Action:
Knee extension
Vastus intermedius
Proximal:
Anterior and lateral surface of the femur
Distal:
Tibial tuberosity
Nerve:
Femoral nerve
Artery:
Femoral artery
Action:
Knee extension
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
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
Adductor longus
Proximal:
Superior pubic ramus
Distal:
Linea aspera
Nerve:
Obturator nerve
Artery:
Obturatory artery
Action:
Adduction of the thigh
Adductor brevis
Proximal:
Pubic bone
Distal:
Pectineal line
Linea aspera
Nerve:
Obturator nerve
Artery:
Obturator artery
Action:
Adduction of the thigh
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
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
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
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
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
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
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
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
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
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
All muscles in the anterior thigh compartment are innervated by?
Femoral nerve
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
