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Biomechanics > Forearm > Flashcards

Forearm Flashcards

1
Q

Radioulnar Closed Packed Position

A

5 degrees of supination

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2
Q

what type of joint is RU

A

pivot

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3
Q

interosseus membrane

A

syndesmosis (slightly movable)

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4
Q

Pronator Teres

A

pronation and weak elbow flexor
most involved when flexing and pronating simultaneously

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5
Q

Pronator Quadratus

A

Pronation
PM when elbow is in extension

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6
Q

Supinator

A

PM Supinator

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7
Q

Radiocarpal Joint

A

condyloid, flexion/extension, radial/ulnar deviation, bi axial

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8
Q

Radiocarpal closed packed position

A

extension and radial deviation

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9
Q

Radiocarpal flexors

A

Flexor carpi radialis,
flexor carpi ulnaris,
palmaris longus

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10
Q

Radiocarpal extensors

A

extensor carpi radialis longus
extensor carpi radialis brevis
extensor carpi ulnaris

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11
Q

Radiocarpal Radial Deviation

A

Flexor carpi radialis,
extensor carpi radialis longus
extensor carpi radialis brevis

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12
Q

Radiocarpal ulnar deviation

A

flexor carpi ulnaris
extensor carpi ulnaris

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13
Q

Distal Interphalangeal Joint (DIP) and Proximal Interphalangeal Joint (PIP)

A

Hinge Joint
CPP: Full Extension
Uni axial

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14
Q

Intercarpal Joint

A

Gliding

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15
Q

Thumb

A

Saddle
3 DOF
CPP: Full Opposition

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16
Q

Carpometacarpal

A

5 of them (1 is thumb, 5 is pinky)
gliding/plane
2-5

17
Q

metacarpophalangeal

A

knuckles
condyloid
CPP: full flexion
2 DOF

18
Q

Joint Action Thumbs

A

Flexion/extension
Abduction/Adduction
Oppositon/Reposition

19
Q

Joint Action Fingers

A

flexion/extension
abduction/adduction

20
Q

Finger Flexors

A

Flexor Digitorum superficialis
Flexor digitorum profundus

21
Q

Finger Extensors

A

Extensor digitorum 2-5
Extensor indicis 2
Extensor digiti minimi 5

22
Q

Muscles of the Thumb

A

Flexor pollicis longus
Extensor pollicis longus
Extensor pollicis brevis
Abductor pollicis longus

Biomechanics (17 decks)

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