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Lower Extremity

Foot · Ankle · Tib-Fib · Knee · Femur

Weight-bearing chain from the calcaneus to the femoral head. Mortise spaces, knee joint clearance, and patellar alignment are the everyday challenges.

Tap a labeled point to see its clinical role and positioning relevance.

Landmarks (7)

Positioning importance

All lower-extremity rotation comes from the hip — never just the foot.
Knee joint clearance depends on patient body habitus; angle CR accordingly.
Always include the joint nearest the injury for any long-bone exam.

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