I refer to this  “genius” so often, that I thought I should post up this reference here.

Alfredson H Pietila T Jonsson P Lorentzon R. Heavy‐load eccentric calf muscle training for the treatment of chronic achilles tendinosis. Am J Sports Med. 1998;26(3):360‐366. [PubMed] [Google Scholar]

This is a report that has changed the lives of so many people, it’s ridiculous. It’s basically stretching a tendon through its eccentric phase, under load.

Here is a much younger me trying it out, back in the days when I was sufferer!

For those who want to dig further into this issue, check out this useful review.