Upper limbs

Question 1

Anterior Deltoid

Answer 1

Proximal attachment: lateral third of clavicle

Distal attachment: deltoid tuberosity

Innervation: axillary nerve

Action: flexes and horizontally adducts GH joints

palpation method: sitting up, shoulder flexion

Question 2

Middle deltoid

Answer 2

Proximal attachment: superior surface of acromion

Distal attachment: deltoid tuberosity

Innervation: axillary nerve

Action: abducts GH joint

palpation method: sitting up, abduction of arm to the side

Question 3

posterior deltoid

Answer 3

Proximal attachment: spine of scapula

Distal attachment: deltoid tuberosity

Innervation: axillary nerve

Action: extends and horizontally abducts at GH joint

palpation method: prone, arm 90 degree

Question 4

Bicep brachii long head

Answer 4

Proximal attachment: supraglenoid tubercle of scapula

Distal attachment: radial tuberosity

Innervation: musculocutaneous nerve

Action: flexes Gh joint

palpation method: bend elbow with resistance

Question 5

Biceps Brachii (short head)

Answer 5

Proximal: coracoid process of scapula

Distal: radial tuberosity

Innervation: musculocutaneous nerve

Action: flexes elbow, supinates radioulnar joint

Palpation: palpate over coracoid process, bend elbow up

Question 6

Brachialis

Answer 6

Proximal: Midway anterior aspect of humerus shaft

Distal: Coronoid process of ulna, ulnar tuberosity

Innervation: Musculocutaneous nerve
Action: Flexes elbow

palpation: Get patient to bend his arm 90 degree. -Grabs the brachialis

-Ask the patient to pronate his arm and gently move the arm up and down

Question 7

Coracobrachialis

Answer 7

Proximal: Coracoid process

Distal: 1/2 humerus, medial side

Innervation: Musculocutaneous nerve

Action: flexed and adduction at GH join
palpation:

Question 8

Triceps brachii (Lateral Head)

Answer 8

Proximal: Posterolateral aspect of humerus, inferior to greater tubercle

Distal: Olecranon process

Innervation: Radial nerve

Action: Etends GH joint
Extends elbow

palpation: - get patient to bring his arm next to his ear.
-Get patient to extend his elbow, PT to provide some resistance

Question 9

Triceps brachii (median Head)

Answer 9

Proximal: distal humerus posteriorly

Distal: Olecranon process

Innervation: Radial nerve

Action: Etends GH joint

Extends elbow
palpation:

Question 9

Triceps brachii (Long Head)

Answer 9

Proximal: infraglenoid tubercle of scapula

Distal: Olecranon process

Innervation: Radial nerve

Action: Etends GH joint
Extends elbow

palpation: - get patient to bring his arm next to his ear.
-Get patient to extend his elbow, PT to provide some resistance