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Myology > LE - Hip, Anterior Thigh and Gluteal > Flashcards

LE - Hip, Anterior Thigh and Gluteal Flashcards

1
Q

Psoas major

A

O: Posterior abdominal wall (lumbar transverse process, intervertebral discs, and adjacent bodies
from T12 to L5 and tendinous arches between these points)

I: Lesser trochanter of femur

A: With origin fixed: flex the hip (coaxial joint), May laterally rotate the hip  With insertion fixed: Flex the trunk toward the thigh, Tilt pelvic anteriorly

N: Anterior rami (L1, L2, L3)
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2
Q

Iliacus

A

O: Posterior abdominal wall (iliac fossa, iliac crest, ala of the sacrum)

I: Tendons of psoas major, lesser trochanter and femur

A: With the origin fixed: Flex the hip; May laterally rotate the hip With the insertion fixed: Flex the trunk toward the thigh, Tilt the pelvis anteriorly

N: Femoral nerve (L2, L3)

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3
Q

Sartorius

A

O: Anterior superior iliac spine

I: Medial surface of the tibia just inferomedial to tibial tuberosity at pes anserinus tendon

A: Flexion of the thigh at the hip joint and flexion of the leg at the knee joint (will also assist with ER and ABD of the hip and medially rotate flexed knee)

N: Femoral nerve (L2, L3)
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4
Q

Rectus Femoris

A

O: Anterior inferior iliac spine

I: Tibial tuberosity (via the patella and patella ligament)

A: Flexion of the thigh at the hip joint and extension of the leg at the knee joint

N: Femoral nerve (L2, L3, L4)
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5
Q

Vastus intermedius

A

O: Proximal two-thirds of the anterior and lateral surface of the femur

I: Tibial tuberosity (via patella and patella ligament)

A: Extension of the leg at knee joint

N: Femoral nerve (L2, L3, L4)
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6
Q

Vastus medialis

A

O: Medial part of intertrochantereic line and medial lip of the linea aspera,

I: Tibial tuberosity (via patella and patella ligament)

A: Extension of the leg at knee joint

N: Femoral nerve (L2, L3, L4)
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7
Q

Vastus lateralis

A

O: Lateral lip of linea aspera, gluteal tuberosity and greater trochanter

I: Tibial tuberosity (via patella and patella ligament)

A: Extension of the leg at knee joint

N: Femoral nerve (L2, L3, L4)
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8
Q

Pectineus

A

O: Superior ramus of pubis

I: Pectineal line of femur

A: Adduct the hip, medial rotate hip, flex hip, 

N: Femoral nerve (L2, L3) and possibly Obturator Nerve (L2-L4)
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9
Q

Adductor longus

A

O: Body of the pubis inferior to the pubic crest

I: Distal aspect of the medial lip of linea aspera

A: Adduct the hip, medial rotate the hip

N: Obturator nerve (anterior division) (L2, L3, L4)
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10
Q

Adductor brevis

A

O: External surface of body of pubis and inferior pubic ramus

I: Pectineal line and proximal aspect of the medial lip of linea aspera

A: Adduction of the thigh at the hip joint; medial rotation of hip, assist in flexion of hip

N: Obturator nerve (L2, L3, L4)
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11
Q

Adductor magnus

A 
O: Adductor part (AD) – ischiopubic ramus
	     Hamstring part (HM) – ischial tuberosity
I: AD – Gluteal tuberosity, linea aspera, medial supracondylar line
     HM – adductor tubercle and supracondylar line

A: AD: Adduction and medial rotation of the thigh at the hip joint; assist to flex hip
HM: Extend the hip

N: AD - obturator (L2, L3, L4)
     HM - sciatic nerve (tibial division) (L4)
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12
Q

Gracilis

A

O: Inferior ramus of pubis

I: Medial surface of proximal shaft of the tibia at the pes anserine

A: Adduction of the thigh at the hip joint and flexion of the leg at the knee joint; medial rotate the flexed knee

N: Obturator nerve (L2, L3)
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13
Q

Gluteus maximus

A

O: External surface of ilium posterior to the posterior gluteal line, posterior surface of lower sacrum and coccyx, sacrotuberous ligament

I: posterior aspect of iliotibial tract of fascia lata and gluteal tuberosity of proximal femur

A: Extension of flexed femur at the hip joint; lateral stabilization of hip and knee joints; lateral
rotation

N: inferior gluteal nerve (L5, S1, S2)
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14
Q

Gluteus medius

A

O: External surface of ilium between anterior and posterior gluteal lines, just below the iliac crest

I: Lateral surface of the greater trochanter

A: Open chain, all fibers: abduction of the femur at the hip joint
Closed chain, all fibers: holds pelvis secure over stance leg and prevents pelvic drop on the opposite swing side during walking
Anterior fibers: internal rotation and flex hip
Posterior fibers: external rotation and extend hip

N: Superior gluteal nerve (L4, L5, S1)
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15
Q

Gluteus minimus

A

O: External surface of ilium between inferior and anterior gluteal lines

I: Anterior aspect of the greater trochanter

A: Abduct the hip, medial rotate the hip, flex the hip. Stabilize pelvis during unilateral stance

N: superior gluteal nerve (L4, L5, S1)
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16
Q

Tensor fascia latae (TFL)

A

O: Anterior superior iliac spine iliac crest posterior to the ASIS

I: Iliotibial tract of facia lata

A: Closed chain: Stabilize the knee in extension 
Open chain:  Flex the hip, medial rotate the hip, abduct the hip

N: Superior gluteal nerve (L4, L5,S1)

17
Q

Piriformis

A

O: Anterior surface of sacrum between anterior sacral foramina and sacrotuberous ligament

I: Superior border of greater trochanter of femur

A: lateral rotation of the extended femur at the hip joint; abduction of the flexed femur at the hip
joint

N: Nerve to piriformis (branches from anterior rami of (S1, S2) of the sacral plexus
18
Q

Obturator internus

A

O: Deep surface of obturator membrane and surrounding bone of the inferior surface of the obturator foramen

I: Medial side of greater trochanter of femur

A: Lateral rotation of the extended femur at the hip joint; abduction of the flexed femur at the hip
joint

N: nerve to obturator internus (L5, S1)
19
Q

Gemellus superior

A

O: Ischial spine

I: Medial side of the greater trochanter of femur with obturator internus tendon

A: Lateral rotation of the extended femur at the hip joint; abduction of the flexed femur at the hip
joint

N: Nerve to obturator internus (L5, S1)
20
Q

Gemellus inferior

A

O: Ischial tuberosity

I: Medial side of the greater trochanter of femur with obturator internus tendon

A: Lateral rotation of the extended femur at the hip joint; abduction of the flexed femur at the hip
joint

N: Nerve to quadratus femoris (L5, S1)
21
Q

Quadratus femoris

A

O: Lateral aspect of the ischial tuberosity

I: Quadrate tubercle on the intertrochanteric crest of the proximal femur between the greater and lesser trochanters

A: Lateral rotation of the femur at the hip joint

N: Nerve to qaudratus femoris (L5, S1)
22
Q

Obturator externus

A

O: External surface of obturator membrane and adjacent rami of pubis and ischium

I: Trochanteric fossa of femur

A: Lateral rotation of the thigh at the hip joint

N: Obturator nerve (posterior division) (L3, L4)

Myology (7 decks)

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