Acute injury to muscle caused by excessive tension or lengthening.

Managment

RICE

analgesia (NSAIDs + paracetamol)

physiotherapy

avoid returning to full pre-injury activity until achieve near-full pre-injury flexibility and 85 to 90% of pre-injury power in the affected muscle. A gradual return to activity is recommended, with both the duration and intensity of activity gradually increased over the course of the healing process (usually 5 to 8 weeks).