It's the amount of running. Soccer players go full out and their hearts get a massive workout. Basketball and football have a little more slow or idle time so not so much of a heart workout. Although basketball and football get a work out as well. Hmm. Not sure. Maybe the time/amount of poison they got injected with?
It's the amount of running. Soccer players go full out and their hearts get a massive workout. Basketball and football have a little more slow or idle time so not so much of a heart workout. Although basketball and football get a work out as well. Hmm. Not sure. Maybe the time/amount of poison they got injected with?