MUSCLES OF THE ELBOW

Question 1

CRANIAL BRACHIAL MUSCLES

Answer 1

1. M.Brachialis

2. M. Biceps Brachii

Question 2

CAUDAL BRACHIAL MUSCLES

Answer 2

1. M.Triceps Brachii
   - Caput longum
   - Caput laterale
   - Caput mediale
   - Caput accessorium
2. M. Anconeus
3. M. Tensor Facia antebrachii

Question 3

CRANIAL BRACHIAL MUSCLES
O - I - A - Innervation
M.BRACHIALIS

Answer 3

O: Neck of Humerus (caudally)
I: Tuberositas Radii+Ulnae
A: FLEXES elbow Joint
Innervation: N.Musculocutaneus

Question 4

CRANIAL BRACHIAL MUSCLES
O - I - A - Innervation
M.BICEPS BRACHII

Answer 4

O: Tub. Supraglenoidale
I: Tuberositas Radii & Ulnae
A: Flexes elbow, extends Shoulder
Innervation: N.Musculocutaneous

Question 5

CAUDAL BRACHIAL MUSCLES
O - I - A - Innervation
M. Triceps Brachii

Answer 5

M.Triceps Brachii
O:
- Caput longum: 2/3 of Margo Caudalis of Scapulae

• Caput laterale: Linea M. Tricipitis
• Caput mediale:
  Prox, med surface of humerus (near teres major tuberosity)
• Caput accessorium: Neck of humerus (caudally) ONLY in CA!

I: TUBER OLECRANI

A: EXTEND ELBOW JOINT
Innervation: N.RADIALIS

Question 6

CAUDAL BRACHIAL MUSCLES
O - I - A - Innervation
M.ANCONEUS

Answer 6

O: Lateral epicondyle of humerus
I: Prox.Lat on olecranon
A: Extend elbow joint
Innervation: N.RADIALIS

Question 7

CAUDAL BRACHIAL MUSCLES
O - I - A - Innervation
M.TENSOR FASCIA ANTEBRAHII

Answer 7

O: Detaching from M.Latissimus dorsiii
I: Tuber olecrani, MED
A: EXTENDS Elbowjoint + Tenses antebrachial fascia
I: N.RADIALIS