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Functional Anatomy > Test 9 > Flashcards

Test 9 Flashcards

1
Q

Flexor carpi radialis

A

O: Medial epicondyle of humerus

I: Metacarpals 2 and 3

A: Flexes and abducts hand at wrist joint

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2
Q

Flexor carpi ulnaris

A

O: Medial epicondyle of humerus and superior posterior border of ulna

I: Pisiform, hamate, and base of metacarpal 5

A: Flexes and abducts hand at wrist joint

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3
Q

Flexor digitorum

A

O: Medial epicondyle of humerus, coronoid process of ulna ridge along lateral margin of anterior surface of radius

I: Middle phalanx of each finger

A: Flexes middle phalanx of each finger at proximal interphalangeal joint, proximal phalanx of each finger at metacarpophalangeal joint and hand at wrist joint

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4
Q

Flexor digitorum profundus

A

O: Anterior medial surface of body of ulna

I: Base of distal phalanx of each finger

A: Flexes distal and middle phalanges of each finger at interphalangeal joints
Proximal phalanx of each finger at metacarpophalangeal joint, and hand at wrist joint

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5
Q

Flexor pollicis longus

A

O: Anterior surface of radius and interosseous membrane

I: Base of distal phalanx of thumb

A: Flexes distal phalanx of thumb at interphalangeal joint

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6
Q

Extensor carpi radialis longus

A

O: Lateral supracondylar ridge of humerus

I: Metacarpal II

A: Extends and abducts hand at wrist joint

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7
Q

Extensor carpi ulnaris

A

O: Lateral epicondyle of humerus and posterior border of ulna

I: Metacarpal V

A: Extends and adducts (ulnar deviation) hand at wrist joint

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8
Q

Extensor digitorum

A

O: Lateral epicondyle of humerus

I: Distal and middle phalanges of each finger

A: Extends distal and middle phalanges of each finger at interphalangeal joints, proximal phalanx of each finger at metacarpophalangeal joint, and hand at wrist joint

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9
Q

Extensor carpi radialis brevis

A

O: Lateral epicondyle of humerus

I: Metacarpal III

A: Extends and abducts hand at wrist joint

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10
Q

Extensor pollicis longus

A

O: Posterior surface of middle of ulna and interosseous membrane

I: Base of distal phalanx of thumb

A: Extends distal phalanx of thumb at interphalangeal joint, first metacarpal of thumb at carpometacarpal joint, and abducts hand at wrist joint

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11
Q

Extensor pollicis brevis

A

O: Posterior surface of middle of radius and interosseus membrane

I: Base of distal phalanx of thumb

A: Extends proximal phalanx of thumb at metacarpophalangeal joint, first metacarpal of thumb at carpometacarpal joint, and hand at wrist joint

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12
Q

Abductor pollicis brevis

A

O: Flexor retinaculum, scaphoid, and trapezium

I: Lateral side of proximal phalanx of thumb

A: Abducts thumb at carpometacarpal joint

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13
Q

Opponens pollicis

A

O: Flexor retinaculum and trapezium

I: Lateral side of metacarpal I (thumb)

A: Moves thumb across palm to meet any finger (opposition) at the carpometacarpal joint

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14
Q

Flexor pollicis brevis

A

O: Flexor retinaculum, trapezium, capitate, and trapezoid

I: Lateral side of proximal phalanx of thumb

A: Flexes thumb at carpometacarpal and metacarpophalangeal joints

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15
Q

Psoas major

A

O: Transverse processes and bodies of lumbar vertebrae

I: With illiacus into lessur trochanter of femur

A: Psoas major and iliacus muscles acting together flex thigh at hip joint, rotate thigh laterally, and flex trunk on the hip as in sitting up from the supine position

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16
Q

Iliacus

A

O: Iliac fossa and sacrum

I: With psoas major into lesser trochanter of femur

A: Psoas major and iliacus muscles acting together flex thigh at hip joint, rotate thigh laterally, and flex trunk on the hip as in sitting up from the supine position

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17
Q

Gluteus maximus

A

O: Iliac crest, sacrum, coccyx, and aponeurosis of sacrospinalis

I: Illiotibial tract of fascia lata and superior lateral part of linea aspera (gluteal tuberosity) under greater trochanter of femur

A: Extends thigh at hip joint and laterally rotates thigh

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18
Q

Gluteus medius

A

O: Ilium

I: Greater trochanter of femur

A: Abducts thigh at hip joint and medially rotates thigh

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19
Q

Gluteus minimus

A

O: Ilium

I: Greater trochanter of femur

A: Abducts thigh at hip joint and medially rotates thigh

20
Q

Tensor fasciae latae

A

O: Iliac crest

I: Tibia by way of iliotibial tract

A: Flexes and abducts thigh at hip joint

21
Q

Adductor longus

A

O: Pubic crest and pubic symphysis

I: Linea aspera of femur

A: Adducts and flexes thigh at hip joint and rotates thigh

22
Q

Adductor brevis

A

O: Inferior ramus of pubis

I: Superior half of linea aspera of femur

A: Adducts and flexes thigh at hip joint and rotates thigh

23
Q

Adductor magnus

A

O: Inferior ramus of pubis and ischium to ischial tuberosity

I: Linea aspera of femur

A: Adducts thigh at hip joint and rotates thigh; anterior part flexes thigh at hip joint, and posterior part extends thigh at hip joint

24
Q

Pectineus

A

O: Superior ramus of pubis

I: Pectineal line of femur between lesser trochanter and linea aspera

A: Flexes and adducts thigh at hip joint

25
Q

Gracilis

A

O: Body and inferior ramus of pubis

I: Medial surface of body of tibia

A: Adducts thigh at hip joint, medially rotates thigh, and flexes leg at knee joint

26
Q

Rectus femoris

A

O: Anterior iliac spine

I: Patella via quadriceps tendon and then tibial tuberosity via patellar ligament

A: All four heads extend leg at knee joint
Acting alone, flexes thigh at hip joint

27
Q

Vastus lateralis

A

O: Greater trochanter of linea aspera of femur

I: Patella via quadriceps tendon and then tibial tuberosity via patellar ligament

A: All four heads extend leg at knee joint

28
Q

Vastus medialis

A

O: Linea aspera of femur

I: Patella via quadriceps tendon and then tibial tuberosity via patellar ligament

A: All four heads extend leg at knee joint

29
Q

Vastus intermedius

A

O: Anterior and lateral surfaces of body of femur

I: Patella via quadriceps tendon and then tibial tuberosity via patellar ligament

A: All four heads extend leg at knee joint

30
Q

Sartorius

A

O: Anterior superior iliac spine

I: Medial surface of body of tibia

A: Weakly flexes leg at knee joint; weakly flexes, abducts, and laterally rotates thigh at hip joint

31
Q

Biceps femoris

A

O: Long head arises from ischial tuberosity
Short head arises from linea aspera of femur

I: Head of fibula and lateral condyle of tibia

A: Flexes leg at knee joint and extends thigh at hip joint

32
Q

Semitendinous

A

O: Ischial tuberosity

I: Proximal part of medial surface of shaft of tibia

A: Flexes leg at knee joint and extends thigh at hip joint

33
Q

Semimembranosus

A

O: Ischial tuberosity

I: Medial condyle of tibia

A: Flexes leg at knee joint and extends thigh at hip joint

34
Q

Tibialis anterior

A

O: Lateral condyle and body of tibia and interosseous membrane

I: Metatarsal I and first cuneiform

A: Dorsiflexes foot at ankle joint and inverts (supinates) foot at intertarsal joints

35
Q

Extensor hallucis longus

A

O: Anterior surface of fibula and interosseous membrane

I: Distal phalanx of great toe

A: Dorsiflexes foot at ankle joint and extends proximal phalanx of great toe at metatarsophalangeal joint

36
Q

Extensor digitorum longus

A

O: Lateral condyle of tibia, anterior surface of fibula, and interosseous membrane

I: Middle and distal phalanges of toes 2-5

A: Dorsiflexes foot at ankle joint and extends distal and middle phalanges of each toe at interphalangeal joints and proximal phalanx of each toe at metatarsophalangeal joint

37
Q

Fibularis longus

A

O: Head and body of fibula

I: Metatarsal 1 and first cuneiform

A: Plantar flexes foot at ankle joint and everts foot at intertarsal joints

38
Q

Fibularis brevis

A

O: Body of fibula

I: Base of metatarsal 5

A: Plantar flexes foot at ankle joint and everts foot at intertarsal joints

39
Q

Gastrocnemius

A

O: Lateral and medial condyle of femur and capsule of knee

I: Calcaneus by way of calcaneal tendon

A: Plantar flexes foot at ankle joint and flexes leg at knee joint

40
Q

Soleus

A

O: Head of fibula and medial border of tibia

I: Calcaneus by way of calcaneal tendon

A: Plantar flexes foot at ankle joint

41
Q

Plantaris

A

O: Femur superior to lateral condyle

I: Calcaneus medial to calcaneal tendon

A: Plantar flexes foot at ankle joint and flexes leg at knee joint

42
Q

Popliteus

A

O: Lateral condyle of femur

I: Proximal tibia

A: Flexes leg at knee joint and medially rotates tibia to unlock extended knee

43
Q

Tibialis posterior

A

O: Tibia, fibula, and interosseous membrane

I: Metatarsals 2-5; navicular, all three cuneiforms, and cuboid

A: Plantar flexes foot at ankle joint and inverts (supinates) foot at intertarsal joints

44
Q

Flexor digitorum longus

A

O: Posterior surface of tibia

I: Distal phalanges of toes 2-5

A: Plantar flexes foot at ankle joint; flexes distal and middle phalanges of each toe at interphalangeal joints and proximal phalanx of each toe at metatarsophalangeal joint

45
Q

Flexor hallucis

A

O: Inferior two-thirds of fibula

I: Distal phalanx of great toe

A: Plantar flexes foot at ankle joint; flexes distal phalanx of great toe at interphalangeal joint and proximal phalanx of great toe at metatarsophalangeal joint

Functional Anatomy (4 decks)

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