Alex Simotas, MD

Hospital for Special Surgery
Board Certified Physiatrist
Specializing In Spine & Sports Medicine

Home > Basic Anatomy

Anatomy of the Hip

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The hip is a ball and socket joint that allows the upper leg to move front to back and side to side. The largest weight bearing joint in the body, the hip joint is surrounded by strong ligaments and muscle.… Read More

Anatomy of the Knee

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The knee connects the upper leg bone to the lower leg bone. Cartilage covers the ends of both leg bones and the underside of the patella, or knee cap.… Read More

Anatomy of the Shoulder

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The muscles and joints of the shoulder make it the most mobile joint in the human body.

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Anatomy of the Spine

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The spinal column is the body’s main support structure. Its thirty-three bones, called vertebrae, are divided into five regions: cervical, thoracic, lumbar, sacral and coccygeal.… Read More