Download Fascial Compartments of Upper Arm

Fascial compartments of upper arm
Contents of anterior fascial
compartment of upper arm
• Muscles: biceps brachii, coracobrachialis,
brachialis.
• Blood supply: brachial a.
• N. supply to the muscles: musculocutaneous n.
• Structures passing through compartment:
musculocutaneous n., median n., ulnar n.,
brachial a., basilic v., radial n. (in lower part)
Contents of anterior fascial
compartment of upper arm
Muscles
Blood supply
N. supply to the muscles
Structures passing through the
compartment
Brachial a.
Relations of brachial a.
Branches of brachial a.
1. Muscular branches.
2. Nutrient a.
3. Profunda a.
4. Superior ulnar collateral a.
5. Inferior ulnar collateral a.
Branches of brachial a.
Muscular branches
Nutrient a.
Profunda a.
Superior ulnar collateral a.
Inferior ulnar collateral a.
Musculocutaneous n.
• Lateral cutaneous n. of forearm.
Branches of musculocutaneous n.
1. Muscular branches.
2. Cutaneous branches: Lateral cutaneous n.
of forearm.
3. Articular branches.
Branches of musculocutaneous n.
Muscular branches
Cutaneous branches
• Lateral cutaneous n. of forearm.
Articular branches
Median n.
Ulnar n.
Radial n.
Contents of posterior fascial
compartment of upper arm
• Muscle: three heads of triceps m.
• N. supply to the muscle: radial n.
• Blood supply: profunda brachii a., ulnar
collateral arteries.
• Structures passing through the compartment:
radial n., ulnar n.
Contents of posterior fascial
compartment of upper arm
Muscle
N. Supply to the muscle
Blood supply
Structures passing through the
compartment
Radial n.
Branches of radial n.
• Branches in the axilla:
• Muscular branches.
• Posterior cutaneous n. of arm.
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Branches in the spiral groove:
Muscular branches.
Lower lateral cutaneous n. of arm.
Posterior cutaneous n. of forearm.
• Branches in the anterior compartment of arm:
• Muscular branches.
• Articular branches.
Branches of radial n.
Branches in the axilla
• Posterior cutaneous n. of the arm.
Branches in the spiral groove
• Lower lateral cutaneous n. of the arm.
• Posterior cutaneous n. of the forearm.
Branches in the anterior
compartment of the arm
• Articular branches.
Ulnar n.
• Behind the medial epicondyle of humerus.
Branches of ulnar n.
Profunda brachii a.
Superior and inferior ulnar collateral
arteries
Cubital fossa
• Laterally: brachioradialis m.
• Medially: pronator teres m.
• Base of triangle: line between 2 epicondyles of
humerus.
• Floor of fossa: supinator m. laterally & brachialis m.
medially.
• Roof: skin, fascia, bicipital aponeurosis.
• Contents: (from medial to lateral): median n.,
bifurcation of brachial a. into ulnar & radial arteries,
tendon of biceps m., radial n. & its deep branch.
Cubital fossa
Cubital fossa
Cubital fossa
Supratrochlear lymph node
The Forearm
Skin
Sensory n. supply
Superficial veins
• Cephalic v.
• Median cubital v.
• Basilic v.
Superficial lymph vessels
• Supratrochlear lymph node.