To me 51 year, I am engaged on a regular basis in an exercise room, in the left brachium from nagruz...

[Sergey]

To me 51 year, I am engaged on a regular basis in an exercise room, in the left brachium from a load the tendon was ill
(Without warm-up has worked) 3 weeks hurt, prompt than it is possible to cure and will hurt or be ill;be sick how long. Thanks

[Artemev A.A.]

There can be some variants - break of a tendon, its or his inflammation, an exacerbation of chronic diseases... Treatment in each case has the features. In any case address to the doctor and execute a necessary set of researches (roentgens..)