The payoff? In one of Grossman’s studies, older women who used a 10-minute HIIT workout three to five times a week for 16 weeks increased muscle about 2.23 times faster than women doing long ...

High-intensity interval training, or HIIT, has been a buzzword in the fitness world for almost a decade. Studies confirm that ...

Fitness. Boxing Core Workout: How do professional boxers train their core? The short HIIT intervals won't take more than 45 seconds and are used by boxers to target aerobic or anaerobic adaptations.

A punching bag is not only a great stress reliever but also an effective piece of equipment for cardio-focused HIIT workouts. Incorporating boxing or kickboxing movements into your routine enhances ...