Exam 2 Ligaments Flashcards

1
Q

GH (glenohumeral) Ligaments

A

Coracohumeral
Superior GHL
Middle GHL
Inferior GHL
Transverse humeral
Superior transverse scapular

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2
Q

Coracohumeral

A

Greatest stiffness

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3
Q

Superior GHL

A

Limits inferior translation and external rotation

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4
Q

Middle GHL

A

Limits anterior translation

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5
Q

Inferior GHL

A

“Hammock”
Prevents the humeral head from dislocating anteriorly or inferiorly

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6
Q

Transverse humeral

A

Keeps tendon of long head of biceps in intertubercular groove

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7
Q

Superior transverse scapular

A

Bridges suprascapular notch to form a foreman

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8
Q

SC (stenoclavicular) ligaments

A

Anterior SCL
Posterior SCL
Costoclavicular
Interclavicular

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9
Q

Anterior and Posterior SCLs

A

Limits excessive anterior and posterior motion

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10
Q

Costoclavicular

A

Limits clavicular elevation and superior glide

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11
Q

Interclavicular

A

Limits excessive depression downward glide

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12
Q

AC (acromioclavicular) ligaments

A

Acromioclavicular
Coracoacromial
Coracoclavicular

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13
Q

Acromioclavicular

A

Stabilizes AC joint

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14
Q

Coracoacromial

A

Roof of subacromial space, cut during surgery
Protects the head of the humerus during abduction with the acromion and coracoid process

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15
Q

Coracoclavicular

A

Trapezoid = most lateral, guides clavicle during rotation
Conoid = triangular shape, prevents vertical displacement

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16
Q

Elbow ligaments

A

Radial collateral (RCL)
Ulnar collateral (UCL)
Anular
Quadrate
Oblique cord

17
Q

Radial collateral (RCL)

A

Limits active adduction/varus, 1 band

18
Q

Ulnar collateral (UCL)

A

Limits active abduction/ valgus
3 bands = anterior, posterior, oblique

19
Q

Angular

A

Keeps radial head in place

20
Q

Quadrate

A

Keeps radial head in place

21
Q

Oblique cord

A

Limits distal inferior motion of radius (“pulled elbow”)

22
Q

Wrist ligaments

A

Volar/ dorsal radioulnar
Radial collateral
Ulnar collateral

23
Q

Volar/dorsal radioulnar

A

Stabilize distal radioulnar joint, part of TFCC

24
Q

Radial collateral

A

From radius to trapezium; limits excessive ulnar deviation

25
Q

Ulnar collateral

A

From ulna to triquetrum; limits excessive radial deviation

26
Q

Thumb ligaments

A

Ulnar collateral

27
Q

Ulnar collateral

A

Stabilizes base of thumb ( injured with gamekeeper’s or skier’s thumb)