Sports and physical activity. Because overuse and
repeated movements can cause injury and weaken the Achilles tendon, playing
sports increases the risk of an Achilles tendon injury. Activities at work
(such as in construction) and at home (such as gardening) may also increase
Sports training errors. Not warming up before and
after running or other activities or suddenly changing your training program
can increase your risk for injury. Increasing your distance, running uphill
more often, or changing your ground surfaces (for example, from pavement to
sand) too quickly can increase your risk.
Age. As you age, the blood supply to the Achilles
tendon area decreases. Most cases of Achilles tendinopathy or rupture occur in
people older than 30.
Weight. If you are very heavy, you have a greater
risk of an Achilles tendon injury.
Being male. Men are more likely than women to have
an Achilles tendon injury.