Lower Extremity Muscles Flashcards
0
Q
Gluteus medius (major internal rotator), and Gluteus minimus Origin Insertion Action Nerve Blood supply
A
O. External ilium, between ant and post gluteal lines I. Greater trochanter of femur Act. Abducts N. Superior gluteal nerve A. Superior gluteal artery
1
Q
Gluteus Maximus Origin Insertion Action Nerve Arteries
A
O. posterior iliac crest, edge of sacrum and coccyx
I. Gluteal tuberosity on femur and IT band
Act. Extension
N. Inferior gluteal
A. Superior and inferior gluteal artery
2
Q
Piriformis O I K N A
A
Major external rotator O anterior edge of sacrum I. Greater trochanter K. External rotation Horizontal abduction of hip when knee is flexed N. Piriformis n A. Superior and inferior gluteal a.
3
Q
Superior gemellus O I K N A
A
Sciatic nerve between superior gemellus and piriformis. O. Ischial spine I. Greater trochanter K. External rotation, horizontal abduction of hip, if knee flexed N. Nerve to obturator A. Inferior a
4
Q
Obturator internus O I K N A
A
O. Internal edges of obturator foramen
I. Greater trochanter
K. External rotator, horizontal abduction of hip,
if knee is flexed
N. Obturator nerve
A. Obturator artery, superior and Inferior gluteal
5
Q
Inferior gemellus O I K N A
A
O. Ischial tuberosity I. Greater trochanter K. External rotation, horizontal abduction of hip, if knee is flexed N. Quadratus femoris n. A. Inferior gluteal, obturator a.
6
Q
Obturator externus O I K N A
A
O. External edges of rim of obturator foramen I. Trochanteric fossa K. External rotation of hip N. Obturator n A. Obturator a
7
Q
Biceps femoris O I K N A
A
O. Long head- Ischial tuberosity Short head- linea aspera I. Lateral tibia condyle, head of fibula K. Flexes knee (long head only) Extends hip Posterior pelvic tilt N Sciatic A. Inferior gluteal a Obturator a Deep femoral a
8
Q
Quadratus femoris O I K N A
A
O. Ischial tuberosity, lat border I. Intertrochanteric crest K. Lateral rotation N. Quadratus femoris n A. Inferior gluteal a, obturator a.
9
Q
Semitendinosus O I K N A
A
O. Ischial tuberosity I. Anterior medial tibia via pes anserine tendon K. Flexes knee Extends hip Posterior pelvic tilt N. Sciatic n A. Inferior gluteal Obturator a Deep femoral a
10
Q
Semimembranosus O I K N A
A
O. Ischial tuberosity I. Medial tibial condyle, posterior surface K. Flexes knee Extends hip Posterior pelvic tilt N. Sciatic n A. Inferior gluteal a Obturator a Deep femoral a
11
Q
IT band
O
I
A
O. Lateral iliac crest
I. Lateral tibial condyle and patella
12
Q
Tensor fascia latae O I K N A
A
O. ASIS I. IT band, upper 1/3 K. Flexion of hip Abduction of hip Internal rotation of hip Anterior pelvic tilt N superior gluteal n A. Superior gluteal a Deep femoral a
13
Q
Tensor fascia latae
OIKNA
A
O. ASIS I. IT band, prox 1/3 way down K. Flexes hip jt abducts hip jt medically rotates hip jt anterior pelvic tilt N. Superior gluteal n A. Superior gluteal a deep femoral a
14
Q
Sartorius
OIKNA
A
O. ASIS I. Medial tibia via pes anserine K. Flexes hip jt Abducts hip Laterally rotates hip Flexes knee jt Anteriorly rotates pelvis N. Femoral n A. Femoral a
15
Q
Rectus femoris
OIKNA
A
O. ASIS I. Tibial tuberosity via patellar lig K. Flexes hip jt Extends knee jt Anterior pelvic tilt N Femoral n A. Femoral a Deep femoral a
16
Q
Vastus lateralis
OIKNA
A
O. Lateral lip of linea aspera I. Tibial tuberosity via patellar lig K. Extension of knee Some lateral rotation N. Femoral n A. Femoral a, deep femoral, popliteal a