High-intensity interval training ... HIIT can improve endurance and strength, as the varied intensity levels challenge different muscle groups and energy systems. The treadmill is a great tool ...
Michaela Ragaas, CPT, is a personal trainer and education and training ... on the treadmill.' You’ll also improve the rate at which you recover from each sprint, as well as your endurance.
When deciding between a treadmill and a weight training system ... Do you want to focus on improving heart health and endurance, or are you aiming to build muscle and improve strength?