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Kinesiology > section 8 > Flashcards

section 8 Flashcards

1
Q

Elbow joint complex consists of

A 
BONES-
humerus
ulna
radius
JOINTS-
humeroulnar
humeroradial
radialulnar
LIGAMENTS-
medial collateral
lateral collateral
annular
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2
Q

what joint is the humeroulnar joint

A

ginglymus/hinge one degree of freedom

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3
Q

humeroulnar closed pack position

A

elbow extended and forearm supinated

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4
Q

humeroulnar open pack position

A

elbow flexed 70 degrees and forearm supinated 10 degrees

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5
Q

ulnar collateral ligament

A

page 73 STUDY THIS

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6
Q

what type of joint is the humeroradial joint

A

enarthrodial/ball and socket 3 degrees of freedom

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7
Q

humeroradial closed pack position

A

elbox 90 degree flexed and rearm supinated 5 degrees

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8
Q

humeroradial open pack position

A

elbow fully extended and forearm fully supinated

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9
Q

radial collateral ligament

A

page 73 STUDY THIS

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10
Q

what type of joint is the radioulnar joint

A

trochoidal/pivot one degree of freedom

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11
Q

radioulnar closed pack position

A

elbow fully extended and forearm supinated 5 degrees

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12
Q

radioulnar open pack position

A

elbow flexed 70 degrees and forearm supinated 35 degrees

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13
Q

annular ligament

A

page 74 STUDY THIS

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14
Q

interosseous membrane

A

attaches to interosseous crests of radius and ulna to stabilize and provide attachment for muscles. Also helps to spread forces out on the bones.

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15
Q

humeroulnar joint movements

A

flexion and extension

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16
Q

radioulnar joint movements

A

supination and pronation

17
Q

Radial nerve innervates

A 
B.E.A.S.T.
Brachioradialis
Extensors
Anconeus, abductor polices longus
Supinator
Triceps
18
Q

Median nerve innervates

A

all the anterior forearm muscles

19
Q

ulnar nerve innervates

A

all of the intrinsic muscles of hand

20
Q

carrying angle

A

formed by intersection of two lines: one through long axis of humerus and one through long axis of ulna. This exists because the medial lip of the trochlea extends further distally than does the lateral lip of the trochlea.

21
Q

cubitus valgus

A

lateral former deviation beyond normal cubist carrying angle of 15 degrees

22
Q

cubitus varus

A

medial forearm deviation to any degree beyond neutral.

23
Q

cubitus recurvatum

A

backward or reverse bending of the elbow beyond straight position.

Kinesiology (8 decks)

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