WHAT  CAUSES  ACHILLES  TENDINOPATHY? Defined as an “overuse” injury due to stress caused by an accumulation of forces. Very common injury, especially in runners–accounts for about 10% of running injuries. Most common in male recreational runners aged 35-45 Believed causes of acute achilles tendinitis include: Inflexibility of achilles tendon Insufficient gastrocnemius strength or flexibility functional … Continue reading ACHILLES TENDINOPATHY