or tear) occurs when one of the calf muscles (gastrocnemius or soleus) is stretched beyond its limits and separates from the Achilles tendon. When it occurs, you may hear or feel a pop in your calf muscle. Not warming up enough, doing too much hill work
) or neglected (understretched, understrengthened), they’ll complain. And the result could be one of the two most chronic, hard-to-heal injuries a runner can face – namely, plantar fasciitis or Achilles tendinitis. To avoid the dreaded ‘itises’ it helps to first
