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News
A history of calf strain significantly raises the odds of an Achilles tendon rupture in NBA players, new research shows. Nearly 25% of players who suffered a rupture had a prior calf strain — and 85.7% of those ruptures occurred on the same side. While about 75% of players returned to play, most saw notable declines in performance.
A retrospective study spanning over six decades of NBA data has found that players with a history of calf strain face significantly higher odds of suffering an Achilles tendon rupture — a career-altering injury. Presented at the American Orthopaedic Foot & Ankle Society Annual Meeting, the research compared 60 players with Achilles ruptures against 258 who had calf strains without subsequent rupture, adjusting for age, BMI, position, and workload.
Nearly 25% of players who ruptured their Achilles had a prior calf strain, and in 85.7% of those cases, the rupture occurred on the same side. Researchers suggest that what's often labeled a "calf strain" may involve undetected partial or degenerative tearing — making early MRI evaluation a potentially critical step for elite athletes.
By the Numbers:
Why it matters: Achilles tendon ruptures end seasons and can derail careers. This study signals that calf strains shouldn't be brushed off as minor injuries — especially in elite athletes. Proactive MRI screening and more conservative rehabilitation protocols could help prevent a far more serious downstream injury.
