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Jeremy Frank, MD - US. Olympic Training Center
Orthopedic conditions affect people of all ages, from new borns to elderly individuals. Some conditions may be congenital while some may be developed after birth.
Our expert team of physicians, surgeons and nurses specialize in providing the utmost care and best possible treatment for spine disorders in the pediatric population.
Sports medicine involves treating sports injuries which occur when playing indoor or outdoor sports or while exercising.
The hip joint is one of the body’s largest weight-bearing joints and is the point where the thigh bone (femur) and the pelvis (acetabulum) join.
Limb lengthening is a reconstructive procedure where the deformed bone is straightened or missing bone is replaced.

OS Trigonum

OS Trigonum Syndrome is a small extra bone at the back of the ankle. It may be there from birth or may develop throughout childhood or adolescence. Activities that involve repeatedly fully pointing the ankle can irritate the soft tissues around the extra bone causing the pain at the back of the ankle. It is common in dancers due to the constant pointing motion of the foot.

Common Symptoms include:

  • Pain; usually at the back of the ankle. The pain tends to worsen when pointing the toes and eases with rest.
  • Swelling; may develop due to the soft tissues being inflamed
  • Lump; you may be able to feel a small hard lump near the Achilles tendon. This is the unfused bone.

Treatment:

  • Ice; regularly apply ice to the back of the ankle. This can help reduce swelling and inflammation.
  • Rest; complete rest for 4-6 weeks from all activities that could irritate the ankle.
  • Medication; your doctor may prescribe anti-inflammatory medication
  • Immobilization; a walking boot may be recommended by your physician in order to restrict ankle movement
  • Physical Therapy; Working with a physical therapist or rehabilitation team can help. By learning stretching and strengthening exercises the foot and ankle muscles can help the talus glide forwards slightly during the pointing of the foot.

If the symptoms persist, surgery may be advised to remove the small piece of bone.