Cervical spondylosis can lead to weakness in the hands because cervical spondylosis can cause compression of the spinal cord and nerve roots, causing degeneration of the spinal cord and nerves, resulting in degeneration of the nerves that innervate to the hands after compression, and weakening of muscle function, blocking the connection between the nerves and the muscles of the hands, resulting in weakness of innervation, reduced blood supply, weakness of the hands, muscle atrophy, inflexibility of the hands, and slow movement. If you have this condition, you need to check clearly, and if the compression is indeed serious, you need surgery. At the same time, cervical spondylosis can also cause to insufficient blood supply to the nerves, thus causing hand weakness, and this condition requires active exercise, as well as surgery to release the compression, application of nerve-nourishing drugs, and symptomatic treatment.