Terminal nervesCordsDivisionsTrunksRoots (anterior rami)C5C6C7C8T1SuperiorMiddleInferiorLateralPosteriorPosteriorPosteriorPosteriorMedialAnteriorAnteriorAnterior ALateral pectoral nerveMedial pectoral nerveMedial cutaneous nerve of armMedial cutaneous nerve of forearmMusculocutaneousMedianRadialUlnarAxillaryLong thoracicnerveSuprascapular nerveDorsal scapular nerveContribution to phrenic nerveNerve to subclaviusSuperiorsubscapular nerveThoracodorsal nerveInferior subscapular nerveDorsal scapular nerveC5C6C7C8T1T2Suprascapular nerveLateral pectoral nerveMedial cordPosterior cordLateral cordMedial pectoral nerveSecond part of axillary arteryMusculocutaneous nerveAxillary nerveMedian nerveC7 fibersRadial nerveUlnar nerveSuperior subscapular nerveThoracodorsal nerveInferior subscapular nerveMedial cutaneous nerve of armMedial cutaneous nerve of forearmLong thoracic nerveIntercostobrachial nerve (lateral cutaneous branch of T2)Nerve to subclaviusB
Fig. 7.54 Branches of the roots and trunks of the brachial plexus.
Dorsal scapular nerveMiddle scalene muscleAnterior scalene tendonT1 intercostal nerveC5 branch to phrenic nervePhrenic nerveSubclavian veinNerve to subclaviusAxillary arteryLong thoracic nerveSerratus anteriorSuprascapular foramenSuprascapular nerve
Fig. 7.55 Branches of the lateral and medial cords of the brachial plexus.
Lateral pectoral nerveMedial pectoral nerveAxillary arteryMusculocutaneous nerveMedian nerveUlnar nerveLateral cutaneousnerve of armMedial cutaneous nerve of forearmMedial cutaneous nerve of armLateral cordMedial cordPectoralis minorT1 intercostal nerve
Fig. 7.56 Branches of the posterior cord of the brachial plexus.
Axillary nerveSuperior subscapular nerveThoracodorsal nerveInferior subscapular nerveRadial nervePosterior cutaneousnerve of arm
Fig. 7.57 Lymph nodes and vessels in the axilla.
Humeral nodesCentral nodesPectoral nodesApical nodesInfraclavicular nodesSubscapular nodesAnterior scaleneMost of upper limbSome of upper limbAnterolateral body wall and centrolateral part of mammary glandRight subclavian trunkSuperior part of mammary gland
Fig. 7.58 Axillary process of the breast.
Fig. 7.59 Arm. A. Proximal and distal relationships. B. Transverse section through the middle of the arm.
AxillaCubitalfossaLateral intermuscular septumMedial intermuscular septumHumerusAnterior (flexor) compartmentPosterior (extensor) compartmentDeep fasciaForearmABArmLine of section
Fig. 7.60 Humerus. Posterior view.
Fig. 7.61 Distal end of the humerus.
Fig. 7.62 A. Anterior view of the proximal end of the radius. B. Radiograph of the elbow joint (anteroposterior view).
BTrochleaCapitulumLateral epicondyleMedial epicondyleRadiusHead of radiusHumerusUlnaOblique lineHeadRadial tuberosityNeckLateralMedialA
Fig. 7.63 A. Lateral, anterior, medial, and posterior views of the proximal end of the ulna.
B. Radiograph of the elbow joint (lateral view).