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Unit 4 Flashcards

(45 cards)

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1
Q

Pectineus OIAI?

A

O: Pectineal line of pubic bone
I: Pectineal line of femur
Inv: Femoral nerve
A: Adducts thigh at hip, flexes thigh at the hip, externally rotates thigh at hip

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2
Q

Iliacus OIAI?

A

O: Iliac fossa
I: Lesser trochanter of the femur
A: Flexes thigh at hip, ventrally flexes trunk from supine
I: Femoral nerve

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3
Q

Psoas major OIAI

A

O: Transverse process of L1-L5
I: Lesser trochanter of the femur
A: Flexes thigh at hip, externally rotates thigh at hip, ventrally and laterally flexes trunk from supine, laterally rotates thigh
Inv: Femoral nerve

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4
Q

Sartorius OIAI

A

O: Anterior Superior Iliac spine
I: Medial aspect of tibia
Inv: Femoral nerve
A: Flexes thigh at hip, externally rotates thigh at hip, abducts thigh at hip, flexes leg at knee

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5
Q

Quadriceps femoris group inserts where

A

Quadriceps tendon

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6
Q

What muscles are in the quadriceps femoris

A
  1. Rectus femoris
  2. Vastus lateralis
  3. Vastus medialis
  4. Vastus intermedius
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7
Q

Rectus femoris OIAI

A

O: Anterior inferior iliac spine
I: Patella, tibial tuberosity
A: Flexes thigh at hip, extends leg at knee

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8
Q

Vastus lateralis OIAI:

A

Linea aspera of femur, greater trochanter of femur
Inv: Femoral nerve
I: Patella, tibial tuberosity
A: Extends leg at knee

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9
Q

Vastus medialis

A

O: Linea aspera of femur, intertrochanteric line
I: Patella, tibial tuberosity
A: Extends leg at knee
Inv: Femoral nerve

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10
Q

Vastus intermedius

A

O: Body of femur
I: Patella, tibial tuberosity
Inv: Femoral nerve
A: Extends leg at knee

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11
Q

What are the adductors of the thigh at the hip innervated by?

A

Obturator nerve of lumbar plexus

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12
Q

Adductor brevis OIAI

A

O: Body of pubic bone, inferior pubic ramus
I: Linea aspera of the femur
A: adducts thigh at hip, externally rotates thigh at hip, flexes thigh at hip

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13
Q

Adductor longus OIAI

A

O: Body of pubic bone
I: Linea aspera
Inv: Obturator nerve
A: Adducts thigh at hip, flexes thigh at hip

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14
Q

Adductor magus OIAI

A

O: Inferior pubic ramus, ischial ramus, ishial tuberosity
I: Linea aspera, adductor tubercle
A: Adducts thigh at hip, externally rotates thigh at hip

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15
Q

Gracilus OIAI:

A

O: Body of pubic bone, inferior pubic ramus
I: Pes anserinus
A: Adducts thigh at hip, flexes thigh at hip, flexes leg at knee, internally
Inv: Obturator nerve

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16
Q

What nerve innervates the anterior compartment of the leg?

A

Deep peroneal nerve

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17
Q

General action of the anterior compartment?

A

Dorsiflex and invert the foot at ankle

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18
Q

What muscles are in the anterior compartment?

A

Tibialis anterior, extensor digitorum longus, extensor hallucis longus (peroneus tertius)

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19
Q

Tibialis anterior OIAI

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A

O: Lateral condyle of tibia, lateral aspect of tibia, interosseous membrane of leg
I: Base of first metatarsal, medial cuneiform
A: Dorsiflexes foot of ankle, inverts foot at ankle
Nerve: Deep peroneal nerve

20
Q

Glut max OIAI

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A

Gluteus maximus

O: Thoracolumbar fascia; Gluteal fossa of the iliac wing; Sacrotuberous ligament;
Posterior and inferior sacrum and coccyx

I: Gluteal tuberosity of the femur; Illiotibial band

I: Inferior gluteal nerve

As: External rotation of the thigh at the hip; Extension of the thigh at the hip; Abduction of the thigh at the hip

21
Q

Glu med

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A

Gluteus medius

O: Gluteal fossa of the iliac wing
I: Greater trochanter of the femur I: Superior gluteal nerve

As: Abduction of the thigh at the hip;
Internal rotation of the thigh at the hip (anterior fibres) External rotation of the thigh at the hip (posterior fibers)

Working as a whole: stabilizer of the pelvis

22
Q

Glu min

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A

Gluteus minimus

O: Gluteal fossa of the iliac wing
I: Greater trochanter of the femur I: Superior gluteal nerve

As: Internal rotation of the thigh at the hip; Abduction of the thigh at the hip

23
Q

Piriformis OIAI

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A

Piriformis

O: Anterior surface of the sacrum
I: Greater trochanter of the femur I: Branches of the lumbar plexus/ nerve to Piriformis

As: External rotation of the thigh at the hip; Abduction of the thigh at the hip (if thigh is flexed)

24
Q

Superior gemellus

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A

Superior gemellus

O: Spine of the ischium (Ischial spine)
I: Greater trochanter of the femur I: Branches of the lumbar plexus

As: External rotation of the thigh at the hip; Abduction of the thigh at the hip (if thigh is flexed)

25
Inferior gemellus
Inferior gemellus O: Tuberosity of the ischium (Ischial tuberosity) I: Greater trochanter of the femur I: Branches of the lumbar plexus As: External rotation of the thigh at the hip; Abduction of the thigh at the hip (if thigh is flexed)
26
Obturator internus
Obturator internus O: Obturator membrane I: Greater trochanter of the femur; Trochanteric fossa I: Branches of the lumbar plexus As: External rotation of the thigh at the hip
27
Obturator externus
Obturator externus O: Obturator membrane I: Trochanteric fossa I: Obturator nerve As: External rotation of the thigh at the hip
28
Quadratus femoris
Quadratus femoris O: Tuberosity of the ischium (Ischial tuberosity) I: Intertrochanteric crest of the femur As: External rotation of the thigh at the hip; Adduction of the thigh at the hip
29
Biceps femoris short head
Biceps femoris: long head O: Tuberosity of the ischium (Ischial tuberosity) I: Head of fibula; Lateral condyle of tibia As: Extension of the thigh at the hip; Flexes the leg at the knee; Laterally rotates the leg if leg is flexed I: Tibial nerve
30
Biceps femoris short head
Biceps femoris: short head O: Linea aspera I: Head of fibula; Lateral condyle of tibia As: Flexes the leg at the knee; Laterally rotates the leg if leg is flexed I: Common peroneal nerve
31
Semitendinosus
Semintendinosus O: Tuberosity of the ischium; Sacrotuberous ligament I: Pes anserinus (proximal tibia) As: Extends the thigh at the hip; Flexes the leg at the knee; Internally rotates the leg at the knee I: Tibial nerve
32
Semimembranosus
Semimembranosus O: Tuberosity of the ischium I: Medial condyle of the tibia As: Extends the thigh at the hip; Flexes the leg at the knee; Internally rotates the leg at the knee I: Tibial nerve
33
Tiabilis Anterior
Tibialis anterior O: Lateral condyle of the tibia; Lateral aspect of the tibia; Interosseous membrane of the leg I: Base of the first metatarsal; Medial cuneiform bone A: Dorsiflexes the foot at the ankle; Inverts the foot at the ankle
34
Extensor digitorum longus
Extensor digitorum longus O: Lateral condyle of the tibia Medial aspect of the tibia; Interosseous membrane of the leg I: Middle and distal phalanges of the lateral four digits A: Dorsiflexes the foot at the ankle; Extends the lateral four digits
35
Extensor hallucis longus
Extensor hallucis longus O: Medial aspect of the fibula; Interosseous membrane of the leg I: Base of the first distal phalanx A: Dorsiflexes the foot at the ankle; Extends the big toe
36
Peroneus tertius
Fibularis (peroneus) tertius O: Anterior fibula; Interosseous membrane of the leg I: Base of the fifth metatarsal A: Dorsiflexes the foot at the ankle; Everts the foot at the ankle
37
Peroneus longus
Fibularis (peroneus) longus O: Head of the fibula; Lateral surface of the fibula I: Base of the first metatarsal; Medial cuneiform bone A: Everts the foot at the ankle; (Weakly) plantar flexes the foot at the ankle
38
Peroneus brevis
Fibularis (peroneus) brevis O: Lateral fibula I: Base of the fifth metatarsal A: Everts the foot at the ankle; (Weakly) plantar flexes the foot at the ankle
39
Gastrocnemius
Gastrocnemius O: Lateral epicondyle of the femur Medial epicondyle of the femur I: Tuber calcanei (via the calcaneal tendon) A: Plantar flexes the foot at the ankle (leg extended); Flexes the leg at the knee
40
Soleus
Soleus O: Posterior fibula; Soleal line of the tibia I: Tuber calcanei (via the calcaneal tendon) A: Plantar flexes the foot at the ankle (independent of leg extension)
41
Plantaris
Plantaris O: Lateral supracondylar line of the femur I: Tuber calcanei (via the calcaneal tendon) A: Plantar flexes the foot at the ankle (weakly)
42
Popliteus
Popliteus O: Lateral condyle of the femur I: Posterior tibia A: Flexes the leg at the knee; Internally rotates the leg at the knee
43
Flexor hallucis longus
Flexor hallucis longus O: Posterior fibula; Interosseous membrane I: Base of the first distal phalanx A: Flexes the big toe; Weakly plantar flexes the foot at the ankle
44
Flexor digitorum longus
Flexor digitorum longus O: Posterior tibia I: Base of distal phalanges of toes (2-5) A: Flexes the toes; Plantar flexes the foot at the ankle
45
Tib Pos
Tibialis posterior O: Posterior fibula; Posterior tibia; Interosseous membrane I: Lateral cuneiform bone; Intermediate cuneiform bone; Medial cuneiform bone; Tuberosity of the navicular bone A: Plantar flexes the foot at the ankle; Inverts the foot at the ankle

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