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Biomedical subjects

S Eswar

Publications and source records attributed to S Eswar.

2 recordsLinked to original sources

Propagation of a patellar stress fracture in a basketball player.

Cyclic loading of cortical bone with repetitive, low-intensity loading can result in damage at its microstructural level. If this damage accumulates over time without appropriate repair, the strength of bone is reduced. Accumulation of fatigue damage may be manifest as stress fractures. As a link in the extensor mechanism of the leg, the patella is subject to complex loading, which varies with knee flexion and extension. Stress fractures of the patella originate on its anterior cortex and rarely propagate to completion.

Adult↗

Carpal coalitions.

Intercarpal coalitions are well-known but poorly documented entities, resulting from incomplete cavitation of a common embryologic carpal precursor during the fourth to eighth weeks of intrauterine life. At our institution we have collected a series of 36 cases of carpal coalition in 24 persons. We found the condition to be much more common in American blacks than whites. The patients reported no symptoms or wrist dysfunction relative to the condition. The coalitions were incidental findings on radiographs taken for other reasons (usually trauma). This is the largest series in the English-language literature.

Adolescent↗