Overview
A hammertoe is a toe that is contracted at the PIP joint (middle joint in the toe), potentially leading to severe pressure and pain. Ligaments and tendons that have tightened cause the toe’s joints to curl downwards. Hammer toes may occur in any toe except the big toe. There is often discomfort at the top part of the toe due to rubbing against the shoe.
Causes
People who are born with long bones in their toes are more likely to develop hammer toe. Children who wear shoes they have outgrown may develop this condition. People who wear very narrow shoes or high-heeled shoes are also more likely to develop a hammer toe. Sometimes, pressure from a bunion can cause hammer toe. Rheumatoid arthritis is another a risk factor.
Symptoms
People who have painful hammertoes visit their podiatrist because their affected toe is either rubbing on the end their shoe (signaling a contracted flexor tendon), rubbing on the top of their shoe (signaling a contracted extensor tendon), or rubbing on another toe and causing a painful buildup of thick skin, known as a corn.
Diagnosis
First push up on the bottom of the metatarsal head associated with the affected toe and see if the toe straightens out. If it does, then an orthotic could correct the problem, usually with a metatarsal pad. If the toe does not straighten out when the metatarsal head is pushed up, then that indicates that contracture in the capsule and ligaments (capsule contracts because the joint was in the wrong position for too long) of the MTP joint has set in and surgery is required. Orthotics are generally required post-surgically.
Non Surgical Treatment
Early on, when a hammertoe first starts and is still flexible, here are some ways it might be treated. Your healthcare provider may splint or tape hammertoe the toe into the correct, normal position. You can use your fingers to stretch your toes and toe joints toward a more normal position. Exercise your toes by trying to pick up marbles with them or by wadding up a towel on the floor with your toes. Padding may be used to change where your weight falls when you walk on the foot.
Surgical Treatment
Surgical correction is needed to bring the toe into a corrected position and increase its function. Correction of the hammer toes is a simple outpatient surgery, with limited downtime. The best option is to fuse the deformed and contracted toe into a straight position. This limits the need for future surgery and deformity return. A new pin that absorbs in the bone or small screw is used by the Foot and Ankle Institute to avoid the need for a metal pin protruding from the toe during recovery. Although the absorbable pin is not for everyone, it is much more comfortable than the pin protruding from the end of the toe. In certain cases, a removal of a small area of bone in the deformity area will decrease pain and limit the need for a surgical waiting period that is found with fusions. Although the toe is not as stable as with a fusion, in certain cases, an arthroplasty is the best option.
Leigh Namm 