Is walking better ? Low intensity cardio to preserve muscle? What about all out 5km run......... Or may be sprints or HITT will be best? If you're unsure for the best tool for the job check out this blog. There are different types of cardio , but which is best ? Is it Low intensity steady state (LISS) Medium intensity steady state (MISS) High intensity interval training (HITT) Low intensity steady state - Burn the highest % fat for fuel - Easy to recover from , making it gre