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COTA 1260 > Elbow and Forearm > Flashcards

Elbow and Forearm Flashcards

1
Q

Elbow flexion and extension

A

Distal humerus and proximal ulna

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2
Q

Forearm pronation and supination

A

Proximal and distal radioulnar joints

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3
Q

Trochlea (Humerus)

A

Articular surface for ulna

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4
Q

Capitellum (Humerus)

A

Articular surface between ulna and radius

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5
Q

Medical epicondyle (Humerus)

A

Origin for flexor muscles of forearm,. wrist, and fingers

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6
Q

Lateral epicondyle (Humerus)

A

Origin for extensor muscles of forearm, wrist, and fingers

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7
Q

Coronoid fossa (Humerus)

A

Superior to trochlea

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8
Q

Radial fossa (Humerus)

A

Superior to capitellum

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9
Q

Olecranon fossa (Humerus)

A

Posterior surface proximal to trochlea

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10
Q

Trochlear notch (Ulna)

A

Ulnar socket that articulates with the trochlea

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11
Q

Olecranon process (Ulna)

A

Posterior projection of ulna at the upper portion

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12
Q

Coronoid process (Ulna)

A

Lower portion of trochlear notch

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13
Q

Radial notch of ulna

A

Lateral surface of coronoid process

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14
Q

Ulnar styloid

A

Distally beyond head of ulna

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15
Q

Head of ulna

A

Distal end of ulna

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16
Q

Interosseous membrance

A

Protects humeroradial joint from excessive compression

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17
Q

Head of radius

A

Bony cylinder

18
Q

Radial neck

A

Ends where medial surface of the shaft bulges to from the radial tuberosity

19
Q

Radial tuberosity

A

Insertion site of biceps tendon

20
Q

Radial styloid

A

Distal end of radius

21
Q

Ulnar notch of radius

A

Medial surface of distal radius

22
Q

Humerulnar joint

A

Primary hinge of the elbow

22
Q

Humeroradial joint

A

Modified hinge
-Flexes and extends around capitellum

23
Q

Radioulnar joint

A

Muscle must attach to the radius to cause pronation/supination

24
Q

Proximal radioulnar joint

A

Holds radial head in rdial notch of ulna

25
Q

Ulnar collateral ligament

A

Extends from medial epicondyle to olecranon and coronoid processes

26
Q

Radial collateral ligament

A

Lateral epicondyle to annular ligament of radius

27
Q

Cubitus varus

A

Angulation of the elbow positioning the forearm closer to the body

28
Q

Cubitus valgus

A

Angulation of the elbow positioning the forearm farther away from the body

29
Q

Flexors of the elbow

A

-Biceps brachii
-Brachialis
-Brachioraialis

30
Q

Biceps bracii

A

-Long head of biceps
-Bicipital aponeurosis
-Primary function is elbow flexion

31
Q

Brachialis

A

-Deep muscle
-Primary flexor of elbow joint

32
Q

Brachioradialis

A

Flexion of elbow joint and can rotate the forearm

33
Q

Extensors of the elbow

A

-Triceps brachii
-Anconeus

34
Q

Triceps brachii

A

Long, lateral, medial heads

35
Q

Anconeus

A

Weak elbow extensor

36
Q

Primary rotators of the forearm

A

-Biceps brachii
-Supinator
-Pronator teres
-Pronator quadratus

37
Q

Supinator

A

Deep extensor muscles

38
Q

Pronator teres

A

Pronates forearm

39
Q

Pronator quadratus

A

Active during all forearm pronation

COTA 1260 (15 decks)

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