Evening StandardFitness author Lucy Wyndham-Read on how to melt your muffin top ...Evening StandardFitness expert: Lucy with her book titled HIIT (Picture: Rebecca Reid) “It's about short little intervals,” she explains. “Don't spend longer than 15 minutes — even less than 15 minutes. It's not about the duration, it's about the intensity. You can ...High-Intensity Interval Training Is An Effective Fitness Trend, But It's ...Medical Dailytất cả 4 bài viết »