In C7 radiculopathy subjects, forearm pronation weakness accompanies elbow extension weakness in 23% of subjects and was the only weakness in 10% of subjects.

• 在C7神经根型颈椎病患者中，23%25同时合并前臂旋前功能和伸肘功能减弱，另外，有10%25患者只发现前臂旋前功能减弱。