‘Pins and needles’ is a symptom that often identifies injury to the nerve. Other symptoms include: burning, numbness, tingling, hypersensitivity or lack of sensation. There are three main nerves that supply the arm and hand called the median, radial and ulnar nerves. The location of your pins and needles, or numbness, can determine which nerve has been affected. Any injury or long-term compression to these nerves can result in sensory or motor impairment. Nerves most commonly