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Kinesiology > Elbow, Wrist And Hand > Flashcards

Elbow, Wrist And Hand Flashcards

1
Q

What makes up the upper limb (joints)

A

30 bones

Shoulder
Elbow
Radioulna joints
Wrist
Carpo-metacarpal
Metacarpophalangeal
Interphalangeal

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2
Q

What is a tuberosity

A

Larger flatter bony prominence

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3
Q

What are the anatomical land marks of the elbow

A

Radial tuberosity

Ulna tuberosity

Trochlea notch of the ulna (where the humerus sits)

Coracoid process - top of the trochlea notch

Olecranon process of the ulna (point of the elbow)

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4
Q

What allows the radius to rotate

A

Anular ligament

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5
Q

Explain the radioulna joint

A

Pivot joint
Allows pronation and supination
By anular ligament

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6
Q

What are the anterior muscles of the proximal radioulna joint

A

Biceps brachii
Brachialis
Brachioradialis
Pronator teres
Pronator quadratus

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7
Q

What are the posterior muscles of the proximal radioulna joints

A

Triceps brachi
Anconeus
Supinator

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8
Q

Where do biceps brachii insert and originate

A

O scapula coracoid process and supragkenoid tubercle
I radial tuberosity

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9
Q

What is the action of the biceps brachii at the radioulna joint

A

Supination

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10
Q

What action does the brachialis perform

A

Flexion

(Deep to the biceps brachii)

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11
Q

What is the role of the brachioradialis

A

Flexion

Pronation and supination back to the neutral position

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12
Q

What muscle causes pronation

A

Pronator teres
Pronator quadratus

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13
Q

Where do triceps brachii insert and originate

A

O - scapula and humerus

I - Olecranon process of ulna

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14
Q

What action does the triceps brachii perform at the elbow?

A

Extend

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15
Q

What action does the triceps brachii perform at the shoulder

A

Extension
Adduction
Horizontal abduction

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16
Q

What does the anconeus do

A

Extension

Very small muscle in elbow joint

17
Q

What do the supinators do

A

Supination

18
Q

What are the wrist joints

A

Radio carpal

Condyloid joint, ellipsoid joints between radius and scaphoid and lunate

Carpometacarpal joint of the thumb, saddle

19
Q

What muscles do wrist flexion

A

Wrist flexors

20
Q

What muscles allow phalanges flexion

A

Flexor digitorum superfiscialis
And profundus

21
Q

Where do wrist flexors originate and insert

A

O anteromedially at forearm

I anteriorly at the hand

22
Q

Where do wrist extensors insert and originate

A

O posterolaterally ay forearm

I posterioly at the hand

23
Q

What is tennis elbow

A

Overuse at wrist

Injury of supinators and extensors where they attach to the humerus

Repetition trust extension and supination

Kinesiology (11 decks)

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