The phrase "hamstring issue" refers to a problem or injury related to the group of muscles at the back of the thigh called the hamstrings. Full definition
It is also a huge benefit to those who have knee or hamstring issues because they are essentially not stressed. (marksdailyapple.com)
Ramsey was sidelined with hamstring issues on three separate occasions last season and could be out of action for a few weeks after spending about the same amount of time in the medical room when previously injured. (nastytackle.com)
Rashford is said to have suffered a minor hamstring issue during the first - half of the Swans game, whilst Herrera had a problem with his ankle after a strong challenge from ex-Spurs man Kyle Naughton. (calcioinsider.com)