interval training
a.involves long periods of low intensity activity and builds stamina
b.can guarantee an athlete an injury-free season
c. will get you into shape in about five days
d. involves short periods of intense activity and is used to build strength speed and Power
a.involves long periods of low intensity activity and builds stamina
b.can guarantee an athlete an injury-free season
c. will get you into shape in about five days
d. involves short periods of intense activity and is used to build strength speed and Power