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Biomechanics and Kinesiology > Elbow and Forearm Region Bony/True Joints > Flashcards

Elbow and Forearm Region Bony/True Joints Flashcards

1
Q

humeroulnar or trochlear joint degrees of freedom

A

1

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2
Q

humeroulnar or trochlear joint capsular pattern

A

flexion and extension

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3
Q

humeroulnar or trochlear joint CPP

A

extension with supination

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4
Q

humeroulnar or trochlear joint OPP

A

70° flexion, 10° supination

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5
Q

humeroulnar or trochlear joint articulating surfaces

A

trochlea of the humerus to trochlear notch of the ulna

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6
Q

elbow joint type of joint

A

synovial diarthrodial hinged/ginglymus joint

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7
Q

humeroulnar or trochlear joint ligaments

A

medial/ulnar collateral ligament (MCL)
3 sets: anterior, intermediate, and transverse or posterior fibers

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8
Q

MCL attachments

A

to the medial epicondyle - olecranon process to the coronoid process

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9
Q

elbow joint osteokinematics

A

flexion and extension

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10
Q

humeroulnar or trochlear joint arthrokinematics

A

concave: ulnar trochlear notch
convex: humeral trochlea

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11
Q

elbow joint plane and axis

A

sagittal plane (x-axis)

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12
Q

elbow joint muscles

A

flexors: brachialis, biceps brachii, brachioradialis, pronator teres
extensors: triceps, anconeus

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13
Q

humeroradial joint degrees of freedom

A

1

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14
Q

humeroradial joint capsular pattern

A

flexion, extension, supination, pronation

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15
Q

humeroradial joint CPP

A

elbow flexed to 90°, forearm supinated to 5°

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16
Q

humeroradial joint OPP

A

full extension and full supination

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17
Q

humeroradial joint articulating surfaces

A

capitulum of humerus to fovea of radius

18
Q

humeroradial joint ligaments

A

lateral/radial collateral ligaments (LCL)
3 sets: anterior, intermediate or transverse, and posterior fibers

19
Q

LCL attachments

A

lateral epicondyle to the upper margin of the annular ligament

20
Q

humeroradial joint arthrokinematics

A

concave: radial surface
convex: capitulum

21
Q

elbow joint arthrokinematics

A

anterior roll and anterior slide
posterior roll and posterior slide

22
Q

proximal radioulnar joint capsular pattern

A

equal limitation of supination and pronation

23
Q

proximal radioulnar joint CPP

A

5° supination

24
Q

proximal radioulnar joint OPP

A

70° flexion, 35° supination

25
Q

proximal radioulnar joint articulating surfaces

A

head of radius and annular ligament to the radiual notch of the ulna

26
Q

proximal radioulnar joint type of joint

A

synovial diarthrodial pivot/trochoid joint

27
Q

proximal radioulnar joint ligaments

A

annular ligament, quadrate ligament, oblique ligament

28
Q

annular ligament attachments

A

anterior and posterior margins of the radial notch on the ulna to the head of the radius

29
Q

quadrate ligament attachments

A

below the radial notch of the ulna to the medial surface of the neck of the radius

30
Q

oblique ligament attachments

A

lateral side of the ulnar tuberosity to just distal to the bicipital tuberosity

31
Q

proximal radioulnar joint osteokinematics

A

pronation and supination

32
Q

proximal radioulnar joint arthrokinematics

A

pronation: anterior spin
supination: posterior spin

(radial head moves)

33
Q

proximal radioulnar joint plane and axis

A

transverse plane (y-axis)

34
Q

distal radioulnar joint articulating surfaces

A

rounded head of the ulna and the ulnar notch of the radius

35
Q

distal radioulnar joint type of joint

A

synovial diarthrodial pivot/trochoid joint

36
Q

distal radioulnar joint ligaments

A

anterior (palmar) distal radioulnar ligament and posterior (dorsal) radioulnar ligament

37
Q

anterior (palmar) distal radioulnar ligament attachments

A

anterior aspect of the radioulnar joint

38
Q

posterior (dorsal) distal radioulnar ligament attachments

A

dorsal aspect of the radioulnar joint

39
Q

distal radioulnar joint osteokinematics

A

pronation and supination

40
Q

distal radioulnar joint plane and axis

A

transverse plane (y-axis)

41
Q

proximal and distal radioulnar joint muscles

A

pronators: pronator teres, pronator quadratus
supinators: biceps brachii and supinator

Biomechanics and Kinesiology (6 decks)

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