Objectives To: (1) describe hamstring injury incidence and burden in male professional football players over 21 seasons (2001/02 to 2021/22); (2) analyse the time-trends of hamstring muscle injuries ...

Grok 3 has caught up with its competitors, but is it enough to convert ChatGPT users? Credit: Matteo Della Torre / NurPhoto / Getty Images Now that Grok 3 from Elon Musk's xAI is officially live, how ...