"The very components that make skiing so exhilarating also contribute to its high risk of injury. Exceptional speeds, unpredictable terrain, extended airtime, and the sheer forces placed on the body put every skier at risk. Injuries result from falls, collisions, awkward rotations, and countless other scenarios. But which body parts are most vulnerable, and how can this knowledge help us make smarter decisions on the mountain? The rewards of skiing are undeniable, but so are its risks."
"ACL injuries most commonly occur through one of three mechanisms: Valgus External RotationThe most frequent mechanism involves the knee collapsing inward while the tibia rotates outward. This often happens when a skier falls forward, and the inside edge of the ski catches the snow, rotating the tibia outward. The MCL and meniscus are often injured alongside the ACL in this scenario."
Skiing combines high speeds, unpredictable terrain, airtime, and large forces, producing frequent falls, collisions, and awkward rotations that cause injuries. Lower extremities absorb and redirect forces and account for about 52% of skiing injuries. Knees are the single most commonly injured body part because of their role and complex structure. Among knee ligaments, the MCL and especially the ACL are frequently impacted, contributing to 10–33% of skiing injuries. ACL tears commonly occur via valgus external rotation, the phantom foot mechanism, or boot-induced injury, each involving specific body positions, ski-edge interactions, and leverage forces on the tibia and femur.
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