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Muscles - Origin, Insertion & Action 2 > Musles of the Forearm > Flashcards

Musles of the Forearm Flashcards

1
Q

What is the name of the flat surface that meets the head of the humerus?

A

Glenoid fossa

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2
Q

What is the name of the small bump at the top of the socket on the scapula?

A

Supraglenoid tubercle

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3
Q

What does the word biceps mean?

A

Two heads

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4
Q

What is the name of the beak-like structure on the scapula?

A

Coracoid process

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5
Q

What is the name of the bump on the proximal end of the radius?

A

Radial tuberosity

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6
Q

What is the insertion of the biceps brachii?

A

Radial tuberosity

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7
Q

What is the origin of the short head of the biceps brachii?

A

Coracoid process

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8
Q

What is the origin of the long head of the biceps brachii?

A

Supraglenoid tubercle

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9
Q

Which head of the biceps brachii assists in adduction of the glenohumeral joint?

A

Short head

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10
Q

What are the four actions of the biceps brachii?

A

Flexion of the humeroulnar joint
Supination of the radioulnar joint (forearm)
Adduction of the glenohumeral joint
Flexion of the glenohumeral joint (short head)

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11
Q

What is the name of the front surface of the upper arm bone?

A

Anterior humerus

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12
Q

What is the name of the small bump at the proximal end of the ulna closest to the joint?

A

Coronoid process

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13
Q

What is the name of bump distal to the coronoid process of the ulna?

A

Ulnar tuberosity

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14
Q

What is the origin of the brachialis?

A

Anterior distal humerus

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15
Q

What is the insertion of the brachialis?

A

Coranoid process of ulna &

ulnar tuberosity

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16
Q

What is the action of the brachialis?

A

Flexion of the humeroulnar joint

17
Q

What is the name of the back surface of the upper arm bone?

A

Posterior surface of the humerus

18
Q

What is the technical name of the big bump on the back of the elbow?

A

Olecranon process

19
Q

What is the name of the small bump at the bottom of the glenoid fossa?

A

Infraglenoid tubercle

20
Q

What is the insertion of the triceps brachii?

A

Olecranon process

21
Q

What is the origin of the lateral head of the triceps brachii?

A

Posterior humerus above spiral groove

22
Q

What is the origin of the long head of the triceps brachii?

A

Infraglenoid tubercle

23
Q

What is the origin of the medial head of the triceps brachii?

A

Posterior humerus below spiral groove

24
Q

What are the three actions of the triceps brachii?

A

Extension of the humeroulnar joint (all heads)
Extension of the glenohumeral joint (long head)
Adduction of the glenohumeral joint (long head)

25
Q

What is the technical name of the shoulder joint?

A

Glenohumeral joint

26
Q

What is the technical name of the elbow joint?

A

Humeroulnar joint

27
Q

What is the technical name of the joints in the forearm?

A

Radioulnar joints

28
Q

What are the actions of the shoulder joint that we have covered so far?

A

Flexion
Extension
Abduction
Adduction

29
Q

What are the actions of the elbow joint?

A

Flexion

Extension

30
Q

What are the actions of the forearm?

A

Supination

Pronation

Muscles - Origin, Insertion & Action 2 (3 decks)

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