Degenerative osteoarthritis, often isolated at the unique joint at the base of the thumb. It is quite common, but not always painful. When symptomatic, the pain is most noticeable when gripping objects, opening jars, and turning keys.
	A pinching of the median nerve within the wrist that causes wrist pain and numbness as well as tingling in the thumbs, index and middle fingers and the palm.
	Pain and tenderness along the thumb side of the wrist, caused by the swelling of the tendon lining.
	An abnormal thickening of the palm tissue that can cause the fingers to bend toward the palm and prevent them from being fully extended.
	A cut (laceration) on the back of the hand or fingers, or the jamming of a finger, that injures an extensor tendon and makes it difficult to straighten the affected finger.
	A cut (laceration) on the palm side of the wrist, hand or fingers that injures the flexor tendons, causing pain when flexing fingers or the inability to flex fingers.
	The breaking of a bone after force is applied, generally resulting in pain, swelling and loss of movement.
	A non-cancerous mass or lump most commonly found on the wrist or on a finger.
	(Rupture of the Ulnar Collateral Ligament) -- A torn ligament in the thumb that is usually the result of the thumb being bent excessively back or to the side.
	Inflammation of the flexor and extensor tendons on the wrist and hand, causing pain with wrist motion and tenderness when direct pressure is applied.
	A painful "snap," "catching" or locking of a finger or thumb while bending and straightening it.