Achilles tendinopathy pain is a result of inflammation in the lower part of the leg between the calf muscle and heel bone. Achilles tendinopathy results in pain, swelling and impaired function. Pain can be experienced at the mid-portion of the tendon, or the insertion of the tendon at the back of the heel. This tendon is very strong and resilient. If it is over exposed to higher loads that it is not used to small tears can begin to develop. Over time that tendon continues to be stressed, this results in partial tears, pain and a tendinopathy.

Symptoms include stiffness at the beginning of exercises which subsides but then increases after training. Tenderness around the achilles tendon itself and pain going up or down stairs.