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SCT1 Anatomy Lab > Upper Limb Actions > Flashcards

Flashcards in Upper Limb Actions Deck (26)
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1
Q

Biceps brachii the prime mover for___________ when the forearm is ___________?

A

ELBOW FLEXION (WHEN FOREARM SUPINATED)

2
Q

Name the prime mover for elbow flexion when the forearm is pronated?

A

BRACHIALIS

3
Q

Name the 3 actions produced by biceps brachii?

A

ELBOW FLEXION

G-H FLEXION

FOREARM SUPINATION

4
Q

Name the 2 joints where forearm supination/pronation is produced?

A

PROXIMAL RADIOULNAR JOINT

+

DISTAL RADIOULNAR JOINT

5
Q

Name the single action of brachialis during muscle contraction?

A

ELBOW FLEXION

(PRIME MOVER IN PRONATION)

6
Q

Name the 2 actions of coracobrachialis?

A

G-H FLEXION (WEAK)

G-H ADDUCTION

7
Q

Name the G-H action produced by triceps brachii long head?

A

G-H EXTENSION

8
Q

Name the action produced by all heads of triceps brachii?

A

ELBOW EXTENSION

9
Q

Name the 2 actions of pronator teres?

A

PRONATION (RADIOULNAR JOINTS)

+

ELBOW FLEXION (WEAK)

10
Q

What are the 3 actions produced by flexor carpi radialis?

A

RADIOCARPAL JOINT FLEXION

+

RADIAL DEVIATION (ABDUCTION)

+

ELBOW FLEXION (WEAK)

11
Q

Name the 2 actions of palmaris longus?

A

RADIOCARPAL JOINT FLEXION

+

ELBOW FLEXION (WEAK)

12
Q

What are the 3 actions produced by flexor carpi ulnaris?

A

RADIOCARPAL JOINT FLEXION

+

ULNAR DEVIATION (ADDUCTION)

+

ELBOW FLEXION (WEAK)

13
Q

Name the muscles of the “Wad of Three”?

A

BRACHIORADIALIS

EXTENSOR CARPI RADIALIS LONGUS

EXTENSOR CARPI RADIALIS BREVIS

14
Q

What is the action produced by brachioradialis, and when is that action strongest?

A

ELBOW FLEXION

+

STRONGEST WHEN NEUTRAL

15
Q

Name the 2 actions of extensor carpi radialis longus?

A

RADIOCARPAL EXTENSION

+

RADIAL DEVIATION (ABDUCTION)

16
Q

Name the 2 actions of extensor carpi radialis brevis?

A

RADIOCARPAL EXTENSION

+

RADIAL DEVIATION (ABDUCTION)

17
Q

What are the 2 actions of extensor digitorum?

A

2ND - 5TH MCP and IP EXTENSION

+

RADIOCARPAL EXTENSION

18
Q

What are the 2 actions of extensor carpi ulnaris?

A

RADIOCARPAL EXTENSION

+

ULNAR DEVIATION

19
Q

Name the 4 palpable superficial muscles of the anterior forearm?

A

PRONATOR TERES

+

FLEXOR CARPI RADIALIS

+

PALMARIS LONGUS

+

FLEXOR CARPI ULNARIS

20
Q

Name the 5 palpable superficial muscles of the posterior forearm?

A

BRACHIORADIALIS

+

EXTENSOR CARPI RADIALIS LONGUS

+

EXTENSOR CARPI RADIALIS BREVIS

+

EXTENSOR DIGITORUM

+

EXTENSOR CARPI ULNARIS

21
Q

Name the 5 G-H actions of pectoralis major?

A

G-H MEDIAL ROTATION

+

G-H ADDUCTION

+

G-H HORIZONTAL ADDUCTION

+

G-H FLEXION (FROM DEEP EXTENSION)

+

G-H EXTENSION (FROM DEEP FLEXION)

22
Q

Name the 4 actions of pectoralis minor?

(3 S-T movements, plus one unique)

A

S-T PROTRACTION

+

S-T DEPRESSION

+

S-T DOWNWARD ROTATION

+

IF SCAPULA FIXED, PEC MINOR HELPS ELEVATE RIBS WITH FORCED INHALATION

23
Q

What are the 2 actions of serratus anterior?

A

S-T PROTRACTION

+

S-T UPWARD ROTATION (LOWER FIBRES ONLY)

24
Q

Name the basic available movements at the glenohumeral joint?

A
25
Q

Name the 3 palpable muscles of the anterior arm?

A

BICEPS BRACHII

+

BRACHIALIS

+

CORACOBRACHIALIS

26
Q

Name the 3 palpable muscles of the chest and thorax?

A

PECTORALIS MAJOR

+

PECTORALIS MINOR

+

SERRATUS ANTERIOR