Get stronger, more defined arms and chest with this 20 minute circuit.
30Hi/30Lo is metabolic conditioning and fat burning workout where you perform every exercise for 30 seconds at a high intensity, then take a 30 second low intensity active rest.
30Hi/30Lo is metabolic conditioning and fat burning workout where you perform every exercise for 30 seconds at a high intensity, then take a 30 second low intensity active rest.
