Premise: Achilles tendon rupture is when the achilles tendon tears. The achilles is the most commonly injured tendon. Rupture can occur while performing actions requiring explosive acceleration, such as pushing off or jumping. The male to female ratio for Achilles tendon rupture varies between 7:1 and 4:1 across various studies.
Hypothesis: Lot's of men and women rupture their Achilles tendon while running.