From the Editors

Reporting for Outside, Richard A. Lovett explores the recent rise in stubborn calf and Achilles problems among runners. Physical therapists point to trends in modern running footwear, including increasingly stiff soles and ultra-soft foams that can alter biomechanics and place unexpected demands on lower-leg muscles. Rather than searching for an elusive miracle shoe, experts suggest addressing the root issue by building foot and ankle strength to handle running loads naturally.