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Anatomy 2 > Ligament Functions > Flashcards

Ligament Functions Flashcards

1
Q

Coracoclavicular (trapezoid & conoid)

A

Stabilizes acromioclavicular joint limiting medial displacement, protraction & elevation

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2
Q

Acromioclavicular

A

Stabilizes acromioclavicular joint

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3
Q

Coracoacromial

A

Prevents the superior displacement of the humeral head by forming the coracoacromial arch

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4
Q

Coracohumeral

A

Reinforces superoanterior aspects of joint capsule

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5
Q

Costoclavicular

A

Stabilizes sternoclavicular joint, limits elevation of the clavicle

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6
Q

Superior transverse scapular

A

Closes off the suprascapular notch

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7
Q

Sup. GH Lig

A

Restraint against inferior translation in adducted position. Restricts ER in 0 degrees of abduction

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8
Q

Mid GH lig

A

Restraint against ER at 45 degrees of abduction

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9
Q

Ant band of Inf GH lig

A

Primary restraint against ER at 90 degrees of Abduction

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10
Q

Ulnar collateral lig

A

Resists excessive cubital valgus

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11
Q

Radial collateral lig

A

Resists excessive cubical varus

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12
Q

Anular Lig

A

Stabilizes proximal radioulnar joint

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13
Q

Transverse carpal lig

A

Prevents bowstringing of the tendons of the flexor pollicis longus, flexor digitorum superficialis & flexor digitorum profundus muscles

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14
Q

Collateral ligaments of the MCP joints

A

Stabilizes MCP joints

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15
Q

Triangular fibrocartilage complex (TFCC)

A

Stabilize distal radioulnar and ulnocarpal joints, form concavity on the ulnar side of the wrist and transfer compressive force from hand/wrist to the forearm

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16
Q

Sacrotuberous lig

A

Stabilizes SI joint

17
Q

Sacrospinous lig

A

Stabilizes SI joint

18
Q

Iliofemoral lig

A

Limits extension of thigh at the hip joint

19
Q

Pubofemoral lig

A

Limits abduction of the femur

20
Q

Ischiofemoral

A

Limits extension of the femur

21
Q

Tibial (medial) collateral ligament

A

Stabilizes the lateral aspect of the joint (prevents adduction of the tibia)

22
Q

Anterior cruciate lig

A

Prevents posterior displacement of the femur on the tibia and hyperextension of the knee

23
Q

Fibular (lateral) collateral lig

A

Stabilizes the lateral aspect of the joint (prevents abduction of the tibia)

24
Q

Posterior cruciate lig

A

Prevents the anterior displacement of the femur on the tibia

25
Q

Menisci

A

Absorb shock, decrease friction, increase contact area

26
Q

Patellar lig

A

Resists knee flexion, component of extensor mechanism for knee extension

27
Q

Deltoid (medial) collateral lig

A

Stabilizes joint and resists forced eversion

28
Q

Lateral ligaments of the ankle

A

Stabilize joint and resist forced inversion

29
Q

Plantar calcaneonavicular lig (spring lig)

A

Supports the medial longitudinal arch of the foot

Anatomy 2 (2 decks)

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