The Achilles is the thick tendon from the lower calf to the heel. As you might have seen quite recently, David Haye reportedly ruptured his Achilles tendon in the boxing match against Tony Bellew. The relevance of this example is the similarities between boxing and running. You repetitively push off from your foot, activating your calf muscle (gastrocnemius) and adding load to the Achilles tendon. Hence why David Haye didn't stand a chance.
60-90% of the population will experience lower back pain in their lifetime, so if you haven’t yet, its likely you are going to at some point. Fortunately, 40% of the time, your back pain will resolve within the week, with the right management. For those not so lucky, around 44% of people will experience chronic lower back pain which can greatly affect daily tasks and is a common cause of days off work. So, who can help?