They are almost all healthy now, apart from José Giménez, who is still
training hard to make it on Wednesday, and the team scored a
vital away goal in the first
leg.
The most important function of the hams is hip extension, which as you can guess, is
vital for explosiveness, sprinting, jumping and overall pelvic mobility, but they also play an important role in stabilizing the knee joint, so it's easy to understand how a pair weak, underdeveloped hams will diminish the effectiveness of your
leg training, make you look like a novice and leave you at risk for imbalance and injury.