How to treat tendinitis and strain? That is, in cases with tendinitis that have also resulted in acute injury, the approach should align with treating acute injuries associated with tendinitis.

Firstly, rest and immobilization. Resting helps to prevent further injury, and immobilization allows joints or tendons time to relax, rest, and repair.

Secondly, apply ice. Ice should be applied to the injured area immediately after the injury. Typically, the first icing lasts for half an hour, followed by subsequent half-hour sessions every three hours, continuing up to 48 hours, after which it should switch to heat application.

Thirdly, immobilize the joint or tendon. Immobilization serves two purposes: first, to prevent the injury from worsening; second, to help prevent further swelling.

Fourthly, the injured limb should be elevated, raised above the level of the heart by 30 degrees.

This is the internationally renowned RICE principle for treating tendon strains and injuries, focusing primarily on four aspects: rest, ice, compression, and elevation.