The extensor tendons in your feet are called the extensor hallucis longus, extensor hallucis brevis, extensor digitorum longus, ... Doing too many uphill workouts and not enough downhill ones; ...

extensor digitorum longus These tendons are located on the front of the leg and are supplied by the deep peroneal nerve. Damage to this nerve can stop a person from being able to raise their foot.

Dynamic tendon transfer . My colleagues and I developed the extensor digitorum brevis transfer about 11 years ago as an alternative to the flexor digitorum longus tendon transfer.