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Anatomy/Physiology I > Hip / Thigh Muscles > Flashcards

Hip / Thigh Muscles Flashcards

1
Q

Iliopsoas Group (2)

A

Psoas Major + Ilacus

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2
Q

Psoas Major

A 
origin = transverse bodies of all lumbar vert
insertion = lesser trochanter of femur
action = hip flexion (or trunk flexion if femur is stable)
innervation = lumbar plexus
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3
Q

Iliacus

A 
origin = iliac fossa of ilium
insertion = lesser trochanter of femur
action = hip flexion
innervation = femoral nerve
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4
Q

Gluteal Muscles of Thigh (4)

A

extend and rotate hip joint

  1. Gluteus Maximus
  2. Gluteus Medius
  3. Gluteus Minimus
  4. Tensor Fascia latae (TFL)
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5
Q

Gluteus Maximus

A 
origin = posterior gluteal line of ilium, lower sacrum, side of coccyx
insertion = gluteal tuberosity
action = abducts, extends, laterally rotates hip joint
innervation = inferior gluteal nerve
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6
Q

Gluteus Medius

A 
origin = gluteal surface of ilium
insertion = greater trochanter of femur
action = abducts thigh, stabilizes hip joint
innervation = superior gluteal nerve
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7
Q

Gluteus Minimus

A 
origin = gluteal surface of ilium
insertion = greater trochanter of femur
action = abducts thigh, stabilizes hip joint
innervation = superior gluteal nerve
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8
Q

Tensor Fascia latae (TFL)

A 
origin = ASIS
insertion = iliotibial tract
action = abducts + internally rotates thigh, stabilizes hip and knee joints
innervation = superior gluteal nerve
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9
Q

Lateral Rotators of thigh (deep) (6)

A

small muscles that stabilize and laterally rotate hip

  1. Obturator Externus
  2. Obturator Internus
  3. Superior Gemellus
  4. Inferior Gemellus
  5. Quadratus femoris
  6. Piriformus
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10
Q

Obturator Externus

A 
action = lateral rotation of thigh
innervation = obturator nerve
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11
Q

Obturator Internus

A 
action = lateral rotation of thigh
innervation = spinal nerves S1-3
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12
Q

Superior Gemellus

A 
action = later rotation, adduction, extension of hip joint
innervation = spinal nerves L5, S1
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13
Q

Inferior Gemellus

A 
action = lateral rotation, adduction, extension of hip joint
innervation = spinal nerves L5, S1
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14
Q

Quadratus femoris

A 
action = lateral rotation, adduction of hip joint
innervation = spinal nerves L5, S1
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15
Q

Piriformus

A 
action = lateral rotation, adduction, extension of hip joint
innervation = spinal nerves L5-S2
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16
Q

Hamstring Group (Posterior) (3)

A
  1. Biceps femoris
  2. Semitendinosis
  3. Semimembranosus
17
Q

Biceps femoris

A 
origin = 
long head: ischial tuberosity
short head: linea aspera of femur
insertion = head of fibula (lateral surface)
action = knee flexion, hip extension
innervation = 
long head: tibial nerves
short head: common fibular nerves
18
Q

Semitendinosis

A 
origin = ischial tuberosity
insertion = medial surface of tibia
action = knee flexion
innervation = tibial nerve
19
Q

Semimembranosus

A 
origin = ischial tuberosity
insertion = medial condyle of tibia
action = knee flexion
innervation = tibial nerve
20
Q

Quadriceps (Anterior) (4)

A
  1. Rectus femoris
  2. Vastus medialis
  3. Vastus lateralis
  4. Vastus intermedius
21
Q

Rectus femoris

A 
origin = AIIS
insertion = common tendon of quadriceps to tibial tuberosity
action = knee extension, hip flexion
innervation = femoral nerve
22
Q

Vastus medialis

A 
origin = intertrochanteric line of femur
insertion = patella via quadriceps tendon, tibial tuberosity
action = knee extension
innervation = femoral nerve
23
Q

Vastus lateralis

A 
origin = greater trochanter of femur
insertion = patella via quadriceps tendon, tibial tuberosity
action = knee extension
innervation = femoral nerve
24
Q

Vastus intermedius

A 
origin = greater trochanter of femur
insertion = patella via quadriceps tendon, tibial tuberosity
action = knee extension
innervation = femoral nerve
25
Q

Medial Compartment - Adductor Group (6)

A
  1. Adductor longus
  2. Adductor brevis
  3. Adductor magnus
  4. Gracilis
  5. Pectineus
  6. Sartorius
26
Q

Adductor longus

A 
origin = front of pubis
insertion = linea aspera
action = adducts, medially rotates thigh
innervation = obturator nerve
27
Q

Adductor brevis

A 
origin = superior + inferior rami of pubis
insertion = medial shaft of femur into upper linea aspera
action = adducts, medially rotates thigh
innervation = obturator nerve
28
Q

Adductor magnus

A 
origin = inferior ramus of pubis
insertion = adductor tubercle, medial condyle of femur, linea aspera
action = adducts, medially rotates thigh
innervation = obturator nerve
29
Q

Gracilis

A 
origin = lower half of pubic symphysis
insertion = superior shaft of tibia
action = adductor of thigh, flexes knee
innervation = obturator nerve
30
Q

Pectineus

A 
origin = pectineal line
insertion = posterior surface of femur
action = adducts thigh
innervation = femoral nerve
31
Q

Sartorius

A 
origin = ASIS
insertion = superior shaft of tibia
action = hip flexion, abduction, external rotation; knee flexion, external rotation
innervation = femoral nerve

Anatomy/Physiology I (39 decks)

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