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upper limb anatomy

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Upper limb anatomy covers a large area. Here is a focused study map:
  1. Osteology and joints
    Clavicle, scapula, humerus, radius, ulna, hand bones; shoulder, elbow, wrist, and hand joints.
  2. Pectoral region and axilla
    Pectoral muscles, breast, axillary walls and contents, axillary artery, vein, and lymph nodes.
  3. Shoulder and scapular region
    Rotator cuff, deltoid region, scapular anastomosis, and quadrangular/triangular spaces.
  4. Arm and cubital fossa
    Flexor and extensor compartments, brachial artery, median, ulnar, radial, and musculocutaneous nerves.
  5. Forearm
    Flexor-pronator and extensor-supinator compartments, interosseous membrane, radial and ulnar arteries.
  6. Hand
    Thenar, hypothenar, lumbricals, interossei, palmar spaces, tendon sheaths, and intrinsic movements.
  7. Brachial plexus
    Roots, trunks, divisions, cords, branches, and common nerve injuries.
  8. Surface anatomy and clinical correlations
    Pulses, venepuncture, fractures, nerve palsies, carpal tunnel syndrome, and compartment syndrome.
The upper limb is organized around movement and function: the shoulder positions the hand, the elbow and forearm orient it, and the hand provides grip and fine control. Its key neurovascular framework is the brachial plexus with the axillary, brachial, radial, ulnar, and palmar arterial pathways.
Which topic should I cover in detail first: brachial plexus, axilla, arm/cubital fossa, forearm, hand, or a rapid exam-oriented overview?
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