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Arm and Cubital Fossa
Medical School Gross Anatomy
21
Anatomy
Graduate
09/03/2011

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Cards

Term
What is the function of the sinovial membrane?
Definition
secretes fluid onto joints, keeping them lubricated
Term
What is a bursa? What is the clinical significance of bursas?
Definition
fluid filled sac between joints and tendons or muscles. Functionally helps to cushion the area.

Clinically inflammation of the bursa (bursitis) sometimes results in pinching of nerves
Term
What are the Musculotendinous muscles?
Definition
These are the rotater muscles.

Composed of:
Posterior: Infraspinatous and Teres Minor
Anterior: Subscapularis
Superior: Supraspinatous
Term
What is the primary function of the anterior arm?
Definition
Flexion
Term
What is the primary function of the posterior arm?
Definition
Extension
Term
What is the enervation and function of lateral head of the triceps muscle?
Definition
Function: extension at the elbow joint.

enervated by the radial nerve
Term
What are the contents of the spiral groove?
Definition
Radial nerve and profundi brachii artery
Term
what is the only tricep head that does extension on the shoulder?
Definition
long head of the triceps
Term
What is the common area of insertion for the triceps muscle?
Definition
Olecranon process
Term
What is the function and enervation of the long head of the triceps brachii?
Definition
Function: extension at the shoulder and at the elbow

enervation: nerve to the long head of the triceps (branch off of radial)
Term
What is the function and enervation of the medial head of the triceps?
Definition
Function: Extension at the elbow

Enervation: Ulnar collateral nerve (branch off of the radial nerve)
Term
[image]
Identify the Structures
Definition
1. Long Head of the triceps brachii
2. Lateral Head of the triceps brachii
3. Medial Head of the triceps brachii
4. Common tendon of the triceps brachii
Term
[image]
Identify the muscles
Definition
1. Coracobrachialis
2. Short head of biceps brachii
3. long head of biceps brachii
4. brachialis
Term
What is the function and enervation of the biceps brachii?
Definition
Function: Flexion at elbow and should. Supination of forearm

Enervation: musculocutaneous nerve
Term
What is the function and enervation of the coracobrachialis?
Definition
Function: flexion at the shoulder

enervation: musculocutaneous
Term
What is the function and enervation of the brachialis?
Definition
Function: flexion at the elbow

Enervation: primarily musculocutaneous but sometimes the radial nerve will also enervate
Term
[image]
identify the structures
Definition
1 Brachioradialis
2 Pronator Teres
3 Aponeurosis
4 Brachialis

blue : biceps tendon
purple: median nerve
red: brachial artery
green: radial nerve
Term
Where do the superficial flexors of the forearm have their origin?
Definition
Medial epichondyle
Term
[image]
Identify the structures
Definition
1 Olecranon
2 Head of Radius
3 Medial Epichondyle
4 Lateral Epichondyle
5 Capitulum (Lateral Chondyle)
6 Radial Tuberosity (biceps tuberosity)
7 Coronoid Process
8 Trochlea (Medial chondyle)
Term
[image]
Identify the arteries
Definition
1. Axillary Artery
2. Brachial Artery
3. Profunda Brachii Artery
4. Superior Ulnar Collateral
5. Inferior Ulnar Collateral
6. Ulnar Artery
7. Anterior and Posterior Ulnar Recurrent Arteries
8. Anterior Humeral Circumflex
9. Middle Collateral Artery
10. Radial Collateral Artery
11. Interosseous Recurrent Artery
12. Radial Recurrent Artery
13. Radial Artery
Term
What is Tommy John Surgery?
Definition
Tommy John Surgery is replacement of the ulnar collateral ligament with ligaments from either the palmaris longus or extensor hallicus brevis
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