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32 Cards in this Set
- Front
- Back
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Sartorius
O-I-A-N |
O:anterior superior iliac spine
I:(pes anserinus) A:Flexes, abducts, laterally rotates thigh at hip. Flexes, medially rotates leg at knee N: Anterior division of femoral nerve (L3, 4) |
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TENSOR FASCIA LATA
O-I-A-N |
O: anterior superior iliac spine
I: Iliotibial tract A: Maintains knee extended (assists gluteus maximus) and abducts hip N: Superior gluteal nerve (L4, 5, S1) |
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RECTUS FEMORIS
O-I-A-N |
O: anterior inferior iliac spine
I: Quadriceps tendon to patella , via ligamentum patellae into tubercle of tibia A: Extends leg at knee. Flexes thigh at hip N: Posterior division of femoral nerve (L3, 4) |
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VASTUS LATERALIS
O-I-A-N |
O: intertrochanteric line,lateral linea aspera
I: Lateral quadriceps tendon to patella, via ligamentum patellae into tubercle of tibia A: Extends knee N: Posterior division of femoral nerve (L3,4) |
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VASTUS INTERMEDIALIS
O-I-A-N |
O: shaft of femur and linea aspera
I: Quadriceps tendon to patella, via ligamentum patellae into tubercle of tibia A: Extends knee N: Posterior division of femoral nerve (L3, 4) |
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VASTUS MEDIALIS
O-I-A-N |
O: intertrochanteric line, linea aspera
I: Medial quadriceps tendon to patella and directly into medial patella, via ligamentum patellae into tubercle of tibia A: Extends knee. Stabilizes patella N: Posterior division of femoral nerve (L3,4) |
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PSOAS MAJOR
O-I-A-N |
O: vertebral bodies of T12-L5
I: lesser trochanter A: Flexes and medially rotates hip N: Anterior primary rami of L1,2 |
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PSOAS MINOR
O-I-A-N |
O: Bodies of T12 and L1
I: Fascia over psoas major and iliacus A: Weak flexor of trunk N: Anterior primary rami of L1 |
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ILIACUS
O-I-A-N |
O: Iliac fossa
I: lesser trochanter A: Flexes medially rotates hip N: Femoral nerve in abdomen (L2,3) |
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Femoral Triangle
borders and contents... |
B: sartorius (lat.), Inguinal Lig (sup,), Add. Long musc. (med.)
C: Femoral Artery/vein/nerve * also contains iliacus m. and pectineus m. |
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Medial Muscles of Thigh...
6 total |
Adductor Longus
Adductor Brevis Adductor Magnus Gracilis Pectineus Obturator externus |
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ADDUCTOR LONGUS
O-I-A-N |
O: pubis
I: medial linea aspera A: Adducts and medially rotates hip N: Anterior division of obturator nerve |
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ADDUCTOR BREVIS
O-I-A-N |
O: pubis
I: linea aspera A: Adducts hip N: Anterior division of obturator nerve (L2, 3) |
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ADDUCTOR MAGNUS
O-I-A-N |
O: (pubis).
I: linea aspera A: Adductor portion: adducts and medially rotates hip. Hamstring portion: extends hip N: Adductor portion: posterior division of obturator nerve (L2-4). Hamstring portion: tibial portion of sciatic (L4-S3) |
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GRACILIS
O-I-A-N |
O: pubis
I: pes anserinus A: Adducts hip. Flexes knee and medially rotates flexed knee N: Anterior division of obturator nerve (L2, 3) |
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PECTINEUS
O-I-A-N |
O: Pectineal line of pubis
I: gluteal crest below lesser trochante A: Flexes, adducts and medially rotates hip N: Anterior division of femoral nerve (L2, 3). Occasional twig from obturator nerve (anterior division - L2,3) |
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OBTURATOR EXTERNUS
O-I-A-N |
O: Outer obturator membrane , rim of pubis and ischium bordering it
I: greater trochanter A: laterally rotates hip N: Obturator nerve, L3-L4 |
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Lateral (Gluteal group)
Superficial X 2 Middle X 1 Deep X 1 |
S:Tensor Faciae Latae- Flexes, abducts
Gluteus maximus- extends and lat rot M: Gluteus medius- abducts and med rot. D: Gluteus minimus- abducts and med rot. |
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GLUTEUS MAXIMUS
O-I-A-N |
O: sacrum,
I: iliotibial tract A: Extends and laterally rotates hip. Maintains knee extended via iliotibial tract N: Inferior gluteal nerve (L5, S1,2) |
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GLUTEUS MEDIUS
O-I-A-N |
O: ilium
I: greater trochanter A: Abducts and medially rotates hip. Tilts pelvis on walking N: Superior gluteal nerve (L4,5,S1) |
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The role of the gluteus medius
2 Main Functions... |
1. Hip abductor
2. Stabilizing the pelvis when the opposite leg is off the ground (i.e. single leg stance) |
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Trendelenburg Test
+ sign v.s - sign |
(-)- single stance pelvis on same side raises slightly
(+)- single stance pelvis on same side drops |
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Lateral Rotators of the Hip
Superior to Inferior (6 total) |
1) Piriformis
2) Superior gemellus 3-4) Obturator internus (and externus) 5) Inferior gemellus 6) Quadratus femoris |
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PIRIFORMIS
O-I-A-N |
O: sacrum,
I: greater trochanter A: laterally rotates and stabilizes hip N: Anterior primary rami of S1, 2 |
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GEMELLUS SUPERIOR
O-I-A-N |
O: Spine of ischium
I: greater trochanter of femur A: laterally rotates and stabilizes hip N: Nerve to obturator internus (L5, S1, 2 |
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OBTURATOR INTERNUS
O-I-A-N |
O: Inner surface of obturator membrane and rim of pubis and ischium bordering membrane
I: greater trochanter A: laterally rotates and stabilizes hip N: Nerve to obturator internus (L5, S1,2) |
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QUADRATUS FEMORIS
O-I-A-N |
O: ischial tuberosity
I: Intertrocchanteric crest A: laterally rotates and stabilizes hip N: Nerve to quadratus femoris (L4, 5, S1) |
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Location of the sciatic nerve
how to find it? |
distance between the ischial tuberosity to the greater trochanter divided by 2
Located near the deep hip rotators |
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Muscles that make up the "hamstrings"
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Semitendinosus
Semimembranosus Bicep femoris |
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SEMITENDINOSUS
O-I-A-N |
O: ischial tuberosity
I: pes anserinus) A: Flexes and medially rotates knee. Extends hip N: Tibial portion of sciatic nerve (L5, S1) |
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SEMIMEMBRANOSUS
O-I-A-N |
O: ischial tuberosity
I: Medial condyle of tibia A: Flexes and medially rotates knee. Extends hip N: Tibial portion of sciatic nerve (L5, S1) |
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BICEPS FEMORIS
O-I-A-N |
O: long head- ischial tuberosity, short head- linea aspera
I: fibula A: Flexes and laterally rotates knee. Long head extends hip N: Long head: tibial portion of sciatic nerve. Short head: common peroneal portion of sciatic nerve (both L5, S1) |
