Are jumping jacks an effective form of indoor cross training? I was thinking burpees but you can't do them for very long.
Are jumping jacks an effective form of indoor cross training? I was thinking burpees but you can't do them for very long.
Jackspawn wrote:
Are jumping jacks an effective form of indoor cross training? I was thinking burpees but you can't do them for very long.
No.
Is there any form of indoor cross training without equipment that would be more useful?