Knowledge of the anatomy of the pectoral region is required as set out on page 1 of the CEM syllabus. This is limited to surface anatomy, innervation and action of the key muscles.
Knowledge of the following muscles is required:
| Muscle | Innervation | Nerve root origins |
|---|
| Pectoralis Major | Medial & lateral pectoral nerve | C5 to T1 |
| Pectoralis Minor | Medial pectoral nerve | C8 and T1 |
| Trapezius | Accessory nerve & C3/C4 | See innervation |
| Latissimus Dorsi | Thoracodorsal nerve | C6 to C8 |
| Serratus Anterior | Long thoracic nerve | C5 to C7 |
Diagram illustrating position of Pectoralis Major muscleDiagram illustrating position of Pectoralis MinorDiagram illustrating TrapeziusDiagram illustrating Latissimus DorsiDiagram illustrating Serratus Anterior