The lateral supracondylar ridge continues from the linea aspera toward the lateral epicondyle, providing attachment for the lateral head of gastrocnemius, the short head of biceps femoris, and the lateral intermuscular septum. The popliteal surface of the femur is bounded above by this ridge.
| Articulations |
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|---|---|
| Landmarks |
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| Ossification | Continuous with the distal femoral metaphysis; the distal femoral epiphysis appears at 36 weeks gestation and fuses at 16-18 years. |
The lateral supracondylar ridge is the origin of the lateral gastrocnemius head, which may avulse in proximal gastrocnemius tears. Distal femoral stress fractures in female athletes (female athlete triad) preferentially occur in the lateral supracondylar region. The common peroneal nerve passes adjacent to the lateral supracondylar region before curving around the fibular head.
Distal femoral metaphyseal fractures, including periprosthetic fractures above a knee replacement, usually treated with a plate or nail.
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