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.
Achilles tendonitis occurs when the Achilles tendon becomes inflamed and irritated after overuse or an injury. This inflammation inhibits the tendonâs ability to move smoothly and can cause sharp, nagging pain near the back of the lower leg where the calf muscles connect to the heel bone â sidelining you for a month or longer.