HIP & PELVIC GIRDLE Flashcards
(22 cards)
Iliopsoas
O - T processes, bodies of T12 - L5 & iliac fossa
I - Lesser trochanter
N - Femoral nerve
A - Hip flexion
Sartorius
O - ASIS
I - Anteromedial tibia (Pes anserinus - goose foot)
N - Femoral nerve
A - Flex hip, flex knee, external rotation of hip
Gracilis
O - Ramus of pubis
I - Anteromedial tibia (Pes anserinus)
N - Obturator nerve
A - Adduction of hip (flex knee weakly)
Semiteninosus
O - Ischial tuberosity
I - Anteromedial tibia (Pes anserinus)
N - Tibial nerve
A - Extends hip
Rectus Femoris
O - AIIS
I - Tibial tuberosity
N - Femoral nerve
A - Flexes hip, extends knee
Tensor Fasciae Latae (TFL)
O - ASIS
I - IT band to gerdy’s tubercle
N - Superior gluteal nerve
A - Abduct and internally rotate hip
Gluteus Medius
O - Lateral surface of ilium
I - Greater trochanter
N - Superior gluteal nerve
A - Abduct and internally rotate hip
Gluteus Minimus
O - Lateral surface of ilium
I - Greater trochanter
N - Superior gluteal nerve
A - Abduct and internally rotate
Gluteus Maximus
O - Posterior ilium, sacrum and coccyx
I - Gluteal line & IT band
N - Inferior gluteal nerve
A - Extension and external rotation
Piriformis Superior Gemellus Inferior Gemellus Obterator Internus Obterator Externus Quadratus Femoris
O - Sacrum, ischium, obturator foramen I - Greater trochanter N - Sacral plexus ***Obturator externus = obturator nerve A - Lateral or external rotation
Semimembranosus
O - Ischial tuberosity
I - Posteromedial tibial condyle
N - Tibial nerve
A - Hip extension and knee flexion
What supplies the lumbar plexus? sacral plexus? sciatic nerve? femoral nerve?
Lumbar plexus = L1 - L4
Sacral plexus = L4 - S4
Sciatic nerve = L4, L5, S1, S2 and S3
Femoral nerve = L2, L3 and L4
Which 3 muscles make up the pes anserinus?
“Say grace before tea”
- Sartorius
- Gracilis
- Semitendinosus
Bicep Femoris (long head)
O - Ischial tuberosity
I - Lateral condyle of tibia & head of fibula
N - Tibial nerve
A - Hip extension and knee flexion
Adductor Brevis
O - Ramus of pubis
I - Upper half of linea aspera
N - Obturator nerve
A - Adduction
Adductor Longus
O - Ramus of pubis
I - Middle 1/3 of linea aspera
N - Obturator nerve
A - Adduction
Adductor Magnus
O - Ramus
I - Linea aspera
N - Obturator nerve and Tibial nerve
A - Adduction and external rotation
Pectineus
O - Crest of pubis
I - Pectineal nerve
N - Femoral nerve
A - Flexion and little adduction
Which muscles do
- Hip flexion?
- Hip extension?
- Abduction?
- Adduction?
- Internal rotation?
- External rotation?
- Hip flexion = iliopsoas, rectus femoris, pectineus
- Hip extension = gluteus maximus and hamstring
- Abduction = TFL, gluteus med, min & max
- Adduction = Adductor brevis & longus, adductor magnus & gracilis
- Internal rotation = TFL, gluteus med & min
- External rotation = 6 deep, gluteus maximus
Vastus Lateralis, Vastus Medialus and Vastus Intermedialus
O - Medialis = linea aspera Lateralis = Upper half of linea aspera Intermedialis = Upper 2/3 of femur I - Tibial tuberosity N - Femoral nerve A - Extends knee
Biceps Femoris (Short head)
O - Lower half of linea aspera
I - Head of fibula
N - Common fibular
A - Knee flexion
Popliteus
O - Lateral condyle of femur
I - Proximal tibia
N - Tibial nerve
A - Internally rotate tibia (unlocking), flex knee
