The coordinated pushing and pulling action of the arms and the pushing action of the legs, combined with the air resistance from the fan, challenges your heart to pump blood to both upper and lower body regions. Physiologically, this is demanding on your cardiovascular system, especially when you pedal as hard as you can.
The coordinated pushing and pulling action of the arms and the pushing action of the legs, combined with the air resistance from the fan, challenges your heart to pump blood to both upper and lower body regions. Physiologically, this is demanding on your cardiovascular system, especially when you pedal as hard as you can.
The coordinated pushing and pulling action of the arms and the pushing action of the legs, combined with the air resistance from the fan, challenges your heart to pump blood to both upper and lower body regions. Physiologically, this is demanding on your cardiovascular system, especially when you pedal as hard as you can.