Fig. 1-4 Points at which nerves of arm may be damaged by pressure. Inset, Pressure is applied to medial side of arm because patient is poorly positioned on operating table.

• 图1-4描述神经在上肢走行途径中可能受压致损的部位。加插附图：由于患者在手术台上不正确的位置而致上肢内侧受压。