Tight hamstrings? It could be due to fatigue of the muscle or an underlying injury. Here's the different causes explained and ...

This is because the forces the hamstring muscle group are subject to when you’re sprinting are far greater. It’s individual. Pain is relevant because the severity of pain rating at the time of ...

DOHA, Qatar (AP) — Novak Djokovic was upset by Matteo Berrettini 7-6 (4), 6-2 on Tuesday at the Qatar Open in the Serb's first match since exiting the Australian Open with a hamstring injury.

DOHA, Qatar — Novak Djokovic was upset by Matteo Berrettini 7-6 (4), 6-2 on Tuesday at the Qatar Open in the Serb's first match since exiting the Australian Open with a hamstring injury.