Hallmarks of a functional medicine approach include: 1  Patient-centered care. The focus of functional medicine is on patient-centered care, promoting health as a positive vitality, beyond just the absence of disease.  An integrative, science-based healthcare approach. Functional medicine practitioners look âupstreamâ to consider the complex web of interactions in the patientâs history, physiology, and lifestyle that can lead to illness.
By Mayo Clinic Staff. Achilles tendinitis is caused by repetitive or intense strain on the Achilles tendon, the band of tissue that connects your calf muscles to your heel bone. This tendon is used when you walk, run, jump or push up on your toes.
several common causes of the irritation that can lead to Achilles tendonitis: 1  Injury caused by repetitive overuse, like long-distance running, or trauma to the Achilles tendon, such as a tear. 2  Tight calf muscles due to inadequate stretching. 3  Other painful foot and lower leg conditions, like over-pronation and flat feet.