HIIT Workout: Chest and Core - BeFiT GO | HIIT Fit

S1, E4: HIIT Workout: Chest and Core - BeFiT GO | HIIT Fit is a fiery 20 minute, core-strengthening upper-body circuit workout that is designed to exercise with on the go using your mobile device to burn fat, challenge the abdominals and lift and firm the chest through concentrated high intensity interval training.