Since the hands help support a cyclist's weight and also absorb any impact from the road, it's not uncommon for the hands to either feel numb or tingle, especially during longer rides. This problem is often easy to treat once you figure out what's causing it.
Ulnar Nerve
The ulnar nerve runs down the length of the arm and into the hand. This nerve provides feeling and movement in the arm and hand. When it's irritated, it can cause pain, tingling or numbness in the little finger and ring finger as well as the wrists and hand.
Handlebar Palsy
You might think that cycling is just a lower body sport, but one of the most common upper body injuries in cycling is called handlebar palsy. Also known as ulnar neuropathy, handlebar palsy is caused by a shock or vibration that causes inflammation to the ulnar nerve. Very often, a poor bike fit is to blame, resulting in increased pressure to the hands and ulnar nerve.
Bike Fit
If you're experiencing hand numbness, first check your bike setup or consult a professional bike fitter. Check that your handlebars are not set much lower than your saddle. Extra padding on the ulnar nerve can also help. You can buy padded cycling gloves or padded handlebar tape to absorb the shock of riding. Also, move your hands around on the bars as you ride, instead of staying in one constant position. Bend your elbows slightly to help absorb some of the bumps and road buzz.
Treatment
When you first experience the problem, check your bike fit and also ice the painful area several times a day for 10 minutes at a time. Take an anti-inflammatory such as ibuprofen. Either take time off the bike or decrease your riding time until the pain subsides. If the problem persists, see your doctor to avoid any permanent damage to the ulnar nerve.
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