Can cervical spondylosis cause muscle weakness in extremities?

Absolutely!: Yes cervical radiculopathy can cause weakness in the extremities, You need a more thorough imaging procedure (MRI) if not already done. Finally you need an EMG of affected areas are truly being compromised be nerve root pressure. Usually pain or numbness precedes weakness!

Yes: In some cases, cervical spondylosis results in a narrowing of the space needed for the spinal cord or nerve roots. If this occurs, your symptoms may include numbness and weakness in the arms, hands, and fingers. Trouble walking, loss of balance, or weakness in the hands or legs. Muscle spasms in the neck and shoulders.