Hi Jean. While excising on the CoreFlex4D many muscle groups are engaged because it requires you to maintain your balance, giving you a great workout. However, since the main focus is the abs and core region, that's the region that is being worked the most.
Does this work on chest area?
Hi Jean. While excising on the CoreFlex4D many muscle groups are engaged because it requires you to maintain your balance, giving you a great workout. However, since the main focus is the abs and core region, that's the region that is being worked the most.