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BIO2300 Unit 3 > Muscles LL > Flashcards

Muscles LL Flashcards

1
Q

Compartment, Action, Innervation

Iliopsoas: psoas major

A

Iliopsoas: psoas major

Compartment
Anterior thigh

Action
Flexes thigh

Innervation
Branches of Lumbar Plexus (L2 - L3)

Proximal Attachment
Transverse processes and bodies of T12 - L5 vertebrae
Distal Attachment
Lesser trochanter of femur with iliacus

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2
Q

Compartment, Action, Innervation

Iliopsoas: iliacus

A

Iliopsoas: iliacus

Compartment
Anterior thigh

Action
Flexes thigh

Innervation
Femoral n.

Proximal Attachment
Iliac fossa
Distal Attachment
Lesser trochanter of femur with psoas major

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3
Q

Compartment, Action, Innervation

Sartorius

A

Sartorius

Compartment
Anterior thigh

Action
Flexes thigh and laterally rotates thigh; flexes leg and medially rotates leg

Innervation
Femoral n.

Proximal Attachment
Anterior superior iliac spine
Distal Attachment
Tibial tuberosity, medial side

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4
Q

Compartment, Action, Innervation

Rectus femoris

A

Rectus femoris

Compartment
Anterior thigh

Action
Flexes thigh; extends leg

Innervation
Femoral n.

Proximal Attachment
Anterior inferior iliac spine
Distal Attachment
Quadriceps tendon to patella and then patellar ligament to tibial tuberosity

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5
Q

Compartment, Action, Innervation

Adductor longus

A

Adductor longus

Compartment
Medial thigh

Action
Adducts thigh; flexes thigh

Innervation
Obturator n.

Proximal Attachment
Pubis near pubic symphysis
Distal Attachment
Linea aspera of femur

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6
Q

Compartment, Action, Innervation

Adductor brevis

A

Adductor brevis

Compartment
Medial thigh

Action
Adducts thigh; flexes thigh

Innervation
Obturator n.

Proximal Attachment
Inferior ramus and body of pubis
Distal Attachment
Upper third of linea aspera of femur

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7
Q

Compartment, Action, Innervation

Gracilis

A

Gracilis

Compartment
Medial thigh

Action
Adducts and flexes thigh; flexes leg

Innervation
Obturator n.

Proximal Attachment
Inferior ramus and body of pubis
Distal Attachment
Upper medial surface of tibia

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8
Q

Compartment, Action, Innervation

Pectineus

A

Pectineus

Compartment
Medial thigh

Action
Flexes thigh; adducts thigh

Innervation
Femoral n. or Obturator n.

Proximal Attachment
Pectineal line of pubis
Distal Attachment
Pectineal line of femur

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9
Q

Compartment, Action, Innervation

Adductor magnus: Adductor portion

A

Adductor magnus: Adductor portion

Compartment
Medial thigh

Action
Adducts and flexes thigh

Innervation
Obturator n.

Proximal Attachment
Inferior ramus of pubis and ischial tuberosity
Distal Attachment
Adductor tubercle of femur

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10
Q

Compartment, Action, Innervation

Adductor magnus: Hamstring portion

A

Adductor magnus: Hamstring portion

Compartment
Posterior thigh

Action
Adducts thigh, extends and laterally rotates thigh

Innervation
Obturator n.

Proximal Attachment
Inferior ramus of pubis and ischial tuberosity
Distal Attachment
Linea Aspera of femur

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11
Q

Compartment, Action, Innervation

Tensor of Fasciae Latae

A

Tensor of Fasciae Latae

Compartment
Gluteal thigh

Action
Abducts thigh; medially rotates thigh

Innervation
Superior Gluteal n.

Proximal Attachment
Iliac crest and lateral surface of anterior superior iliac spine
Distal Attachment
Iliotibial band

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12
Q

Compartment, Action, Innervation

Gluteus maximus

A

Gluteus maximus

Compartment
Gluteal thigh

Action
Extends thigh; laterally rotates thigh

Innervation
Inferior Gluteal n.

Proximal Attachment
Iliac crest, sacrum, coccyx
Distal Attachment
Iliotibial tract of fascia lata; linea aspera and gluteal tuberosity of femur

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13
Q

Compartment, Action, Innervation

Gluteus medius

A

Gluteus medius

Compartment
Gluteal thigh

Action
Abducts thigh; medially rotates thigh

Innervation
Superior gluteal nerve (L4 - S1)

Proximal Attachment
Posterior iliac crest; lateral surface between posterior and anterior gluteal lines
Distal Attachment
Greater trochanter of femur

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14
Q

Compartment, Action, Innervation

Gluteus minimus

A

Gluteus minimus

Compartment
Gluteal thigh

Action
Abducts thigh; medially rotates thigh

Innervation
Superior Gluteal n. (L4 - S1)

Proximal Attachment
Lateral surface of ilium between inferior and anterior gluteal lines
Distal Attachment
Greater trochanter of femur

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15
Q

Compartment, Action, Innervation

Piriformis

A

Piriformis

Compartment
Gluteal thigh

Action
Laterally rotates thigh

Innervation
Nerve to Piriformis

Proximal Attachment
Anterolateral surface of sacrum
Distal Attachment
Greater trochanter

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16
Q

Compartment, Action, Innervation

Biceps femoris: long head

A

Biceps femoris: long head

Compartment
Posterior thigh

Action
Extends thigh, flexes leg, laterally rotates leg

Innervation
Tibial division of Sciatic n.

Proximal Attachment
Ischial tuberosity
Distal Attachment
Head of fibula

17
Q

Compartment, Action, Innervation

Biceps femoris: short head

A

Biceps femoris: short head

Compartment
Posterior thigh

Action
Flexes leg, laterally rotates leg

Innervation
Common Fibular division of Sciatic n.

Proximal Attachment
Linea aspera of femur
Distal Attachment
Head of fibula

18
Q

Compartment, Action, Innervation

Semimembranosus

A

Semimembranosus

Compartment
Posterior thigh

Action
Extends thigh and flexes leg; medially rotates leg

Innervation
Tibial division of Sciatic n.

Proximal Attachment
Ischial tuberosity
Distal Attachment
Posterior surface of medial condyle of tibia

19
Q

Compartment, Action, Innervation

Semitendonosus

A

Semitendonosus

Compartment
Posterior thigh

Action
Extends thigh and flexes leg; medially rotates leg

Innervation
Tibial division of Sciatic n.

Proximal Attachment
Ischial tuberosity
Distal Attachment
Proximal medial surface of tibia

20
Q

Compartment, Action, Innervation

Vastus Intermedius

A

Vastus Intermedius

Compartment
Anterior thigh

Action
Extends leg

Innervation
Femoral n.

Proximal Attachment
Anteriolateral surface of femur
Distal Attachment
Quadriceps tendon to patella and then patellar ligament to tibial tuberosity

21
Q

Compartment, Action, Innervation

Vastus Lateralis

A

Vastus Lateralis

Compartment
Anterior thigh

Action
Extends leg

Innervation
Femoral n.

Proximal Attachment
Greater trochanter and linea aspera
Distal Attachment
Quadriceps tendon to patella and then patellar ligament to tibial tuberosity

22
Q

Compartment, Action, Innervation

Vastus Medialis

A

Vastus Medialis

Compartment
Anterior thigh

Action
Extends leg

Innervation
Femoral n.

Proximal Attachment
Intertrochanteric line and linea aspera of the femur
Distal Attachment
Quadriceps tendon to patella and then patellar ligament to tibial tuberosity

23
Q

Compartment, Action, Innervation

Fibularis tertius

A

Fibularis tertius

Compartment
Anterior leg

Action
Dorsiflexes and weak evertor of foot

Innervation
Deep Fibular n.

Proximal Attachment
Anterior distal surface of fibula; interosseous membrane
Distal Attachment
Base of metatarsal V

24
Q

Compartment, Action, Innervation

Tibialis anterior

A

Tibialis anterior

Compartment
Anterior leg

Action
Dorsiflexes foot; inverts foot

Innervation
Deep Fibular n.

Proximal Attachment
Lateral condyle and proximal shaft of tibia; interosseous membrane
Distal Attachment
Metatarsal I and first (medial) cuneiform

25
Q

Compartment, Action, Innervation

Fibularis longus

A

Fibularis longus

Compartment
Lateral leg

Action
Everts foot; weak plantar flexor

Innervation
Superficial Fibular n.

Proximal Attachment
Head and upper 2/3 of shaft fibula; lateral condyle of tibia
Distal Attachment
Base of metatarsal I; medial cuneiform

26
Q

Compartment, Action, Innervation

Fibularis brevis

A

Fibularis brevis

Compartment
Lateral leg

Action
Everts foot; weak plantar flexor

Innervation
Superficial Fibular n.

Proximal Attachment
Midlateral shaft of fibula
Distal Attachment
Base of metatarsal V

27
Q

Compartment, Action, Innervation

Gastrocnemius

A

Gastrocnemius

Compartment
Posterior/Superficial leg

Action
Flexes leg; plantar flexes foot

Innervation
Tibial n.

Proximal Attachment
Superior and posteiror surfaces of lateral and medial condyles of femur
Distal Attachment
Calcaneus (via calcaneal tendon)

28
Q

Compartment, Action, Innervation

Soleus

A

Soleus

Compartment
Posterior/Superficial leg

Action
Plantar flexes foot

Innervation
Tibial n.

Proximal Attachment
Head and proximal shaft of fibula; medial border of tibia
Distal Attachment
Calcaneus (via calcaneal tendon)

29
Q

Compartment, Action, Innervation

Flexor digitorum longus

A

Flexor digitorum longus

Compartment
Posterior/Deep leg

Action
Plantar flexes foot; flexes MP, PIP and DIP joints of toes 2-5

Innervation
Tibial n.

Proximal Attachment
Posteromedial surface of tibia
Distal Attachment
Distal phalanges of toes 2-5

30
Q

Compartment, Action, Innervation

Flexor hallucis longus

A

Flexor hallucis longus

Compartment
Posterior/Deep leg

Action
Plantar flexes foot; flexes MP, PIP and DIP joints of great toe (1)

Innervation
Tibial n.

Proximal Attachment
Posterior lower 2/3 of fibula
Distal Attachment
Distal phalanx of great toe (1)

31
Q

Compartment, Action, Innervation

Tibialis posterior

A

Tibialis posterior

Compartment
Posterior/Deep leg

Action
Plantar flexes foot; inverts foot

Innervation
Tibial n.

Proximal Attachment
Fibula, tibia and interosseous membrane
Distal Attachment
Metatarsals II-IV; navicular bone; cuboid bone; all cuneiforms

32
Q

Compartment, Action, Innervation

Extensor digitorum brevis

A

Extensor digitorum brevis

Compartment
Foot (dorsal)

Action
Extends MP and PIP joints of toes 2-4

Innervation
Deep Fibular n.

Proximal Attachment
Calcaneus and inferior extensor retinaculum
Distal Attachment
Proximal phalanges of toes 2-4

33
Q

Compartment, Action, Innervation

Extensor hallucis brevis

A

Extensor hallucis brevis

Compartment
Foot (dorsal)

Action
Extends MP joint of great toe (1)

Innervation
Deep Fibular n.

Proximal Attachment
Calcaneus and inferior extensor retinaculum
Distal Attachment
Proximal phalanx of great toe (1)

34
Q

Compartment, Action, Innervation

Flexor digitorum brevis

A

Flexor digitorum brevis

Compartment
Foot (plantar 1)

Action
Felxes MP and PIP joints of toes 2-5

Innervation
Medial Plantar n.

Proximal Attachment
Calcaneus
Distal Attachment
Middle phalanges of toes 2-5

35
Q

Compartment, Action, Innervation

Lumbricals

A

Lumbricals

Compartment
Foot (plantar 2)

Action
Flexes MP joints and extends PIP and DIP joints of toes 2-5

Innervation
Medial Plantar n. (1st lumbrical); Lateral Plantar n. (lumbricals 2-4)

Proximal Attachment
Tendons of flexor digitorum longus
Distal Attachment
Tendons of extensor digitorum longus

36
Q

Compartment, Action, Innervation

Extensor digitorum longus

A

Extensor digitorum longus

Compartment
Anterior leg

Action
Extends toes 2-5; dorsiflexes foot

Innervation
Deep Fibular n.

Proximal Attachment
Lateral condyle of tibia; anterior surface of fibula; interosseous membrane
Distal Attachment
Distal phalanges of toes 2-5

37
Q

Compartment, Action, Innervation

Extensor hallucis longus

A

Extensor hallucis longus

Compartment
Anterior leg

Action
Extends great toe (1); dorsiflexes foot

Innervation
Deep Fibular n.

Proximal Attachment
Anterior surface of fibula; interossesous membrane
Distal Attachment
Distal phalanx of great toe (1)

BIO2300 Unit 3 (10 decks)

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