Arm Muscles

Question 1

Biceps Brachii

Answer 1

long head & short head

Question 2

Forarm in pronation

Answer 2

biceps is primary powerful in supination

Question 3

Biceps Brachi Proximal Attachment

Answer 3

Short Head: tip of coracoid process of scapula

Long Head: supraglenoid tubercle of scapula

Question 4

Biceps Brachii Distal Attachment

Answer 4

Tuberosity of raidus and fascia of forearm via bicipital aponeurosis

Question 5

Biceps Brachii & Brachialis Innervation

Answer 5

Musculocutaneous nerve ( C5, C6)

Question 6

Biceps brachii actions

Answer 6

1. Supinates forearrm, when supinated flexes elbow joint
   flexes shoulder joint;
2. Short head resists dislocation of shoulder

Question 7

Brachialis Proximal attachment

Answer 7

Distal half of anterior surface of the humerus

Question 8

Brachialis Distal attatchment

Answer 8

coronoid provesses and tuberoisty of ulna

Question 9

Braichialis Actions

Answer 9

Flexes elbow joint in all positions

Question 10

Triceps Brachii Heads

Answer 10

Long Head
Lateral Head
Medial Head

Question 11

Triceps Proximal Attachment

Answer 11

Long head: Infraglenoid tubercle of scapula
Lateral head: post surface of humerus, superior to radial groove
Medial: ^ same but inferior to radial groove

Question 12

Triceps Brachii distal attachtment

Answer 12

Proximal end of olecranon of ulna & fascia of forearem

Question 13

Triceps brachii actions

Answer 13

Chief Extensors of elbow joint
the long head extends shoulder joint and resists dislocation of humerus
***(esp important during abduction)

Question 14

Triceps Brachii & Aconeous Innervation

Answer 14

Radial Nerve
Triceps ( C6,7, 8 )
Aconeous (C8, T1)

Question 15

Aconeous Proximal attachment

Answer 15

Lateral epicondyle of humerus

Question 16

Aconeous Distal Attachment

Answer 16

Lateral surface of olecranan and superior

Question 17

Aconeous Main Actions

Answer 17

Help tricpes in extending elbow joint,
stabilize elbow joint
abduct ulna during pronation

Question 18

Main arterial supply ?

Answer 18

Brachial artery and continues axillary

Question 19

The brachialis is a flattened fusiform muscle that lies….

Answer 19

posterior deep to biceps

Question 20

Coracobrachilais is a

Answer 20

elongated muscles in the upper medial part of the arrm

** good landmark

Question 21

Corachobrachialis Actions

Answer 21

Helps flex and adduct shoulder joint,

resist dislocation of the shoulder

Question 22

Corachobrachialis nerve innervation

Answer 22

Radial Nerve C7, C8, T1

Question 23

Nerves of the arm

Answer 23

Median,
Ulnar
Musculocutaneous nerve
Radial Nerve

Question 24

Cubital Fossa Boundaries

Answer 24

Up , imaginary line connecting the medial and lateral epicondyles
Medially pronator teres
laterally brachioradialis

Question 25

Cubittal fossa contents

Answer 25

Biceps brachii tendon

Median nerve

Question 26

Coracobrachilis Proximal Attachment

Answer 26

Tip of Coracoid Process of scapula

Question 27

Corachobrachilias distal attatchment

Answer 27

middle third of medial surface of humerus

Question 28

Nerver innervtaing corachobracihilis

Answer 28

Muscotaneous nerve * C5, C6, C7)

Question 29

Coracobrachilis actions

Answer 29

Helps flex and adduct shoulder joint, resit dislocation of the shoulder

Question 30

Arm & Elbow Muscles

Answer 30

BBCT