Fig. 7.64 Coracobrachialis, biceps brachii, and brachialis muscles.
Long head of bicepsbrachii muscleShort head of bicepsbrachii muscleCoracobrachialis muscleTransverse humeral ligamentBrachialis muscleTuberosity of ulnaBicipital aponeurosis (cut )Radial tuberosity
Fig. 7.65 Triceps muscle.
OlecranonLong head of triceps brachiiLateral head of triceps brachiiMedial head of triceps brachiiLateral head of triceps brachiiRadial groove of humerus
Fig. 7.66 Brachial artery. A. In context.
Brachial artery. B. Branches.
Fig. 7.67 Veins of the arm.
Axillary veinCoracobrachialisInferior margin of teres majorPaired brachial veinsBasilic veinBrachialisBasilic vein (subcutaneous superficial vein)Basilic vein penetratesdeep fasciaDeep veins accompanying arteriesCephalic veinBiceps brachii
Fig. 7.68 Musculocutaneous, median, and ulnar nerves in the arm.
Median nerveUlnar nerveMedial epicondyleLateral cutaneous nerve of forearmMusculocutaneous nerveMusculocutaneous nerveMedial cordLateral cordRadial nerveMedial intermuscular septum
Fig. 7.69 Radial nerve in the arm.
Ulnar nerveProfunda brachii arteryTriangular intervalInferior lateral cutaneous nerve of armPosterior cutaneous nerve of forearmRadial nerve (in radial groove)Medial epicondyleBranch to medial head of triceps brachii
Fig. 7.70 Radiograph of the humerus demonstrating a midshaft fracture, which may disrupt the radial nerve.
Fig. 7.71 Components and movements of the elbow joint. A. Bones and joint surfaces. B. Flexion and extension. C. Pronation and supination. D. Radiograph of a normal elbow joint (anteroposterior view).
Fig. 7.72 Synovial membrane of elbow joint (anterior view).
Fig. 7.73 Elbow joint. A. Joint capsule and ligaments of the right elbow joint. B. Magnetic resonance image of the elbow joint in the coronal plane.
RadialcollateralligamentAUlnarcollateralligamentAnular ligamentof radiusSacciform recessof synovialmembraneBUlnar collateralligamentRadial collateral ligamentHead of radiusHumerusMedial epicondyleUlna
Fig. 7.74 Radiograph of an elbow showing a fracture of the olecranon and involving the insertion of the triceps brachii muscle.
Fig. 7.75 Radiographs of elbow joint development. A. At age 2 years. B. At age 5 years. C. At age 5–6 years. D. At age 12 years.
Fig. 7.76 MRI of right elbow showing swelling of the ulnar nerve in the cubital tunnel posterior to the medial epicondyle, consistent with nerve compression.
Fig. 7.77 Cubital fossa. A. Margins. B. Contents. C. Position of the radial nerve. D. Superficial structures.