The Conversation

The Norwegian 4x4 Hiit workout is a favourite among athletes and actress Jessica Biel – here’s why it’s so beneficial

The intensity of the 4x4 workout can improve your cardiovascular health. TORWAISTUDIO/ Shutterstock Lack of time is often the main reason people don’t exercise regularly. But a type of interval ...
Bicycling on MSN

These indoor interval workouts make trainer sessions go by much faster

Target your power, cadence, threshold, and sprint strength indoors.

3 compelling reasons to do interval training – from better body composition to improved performance

Short, sharp sessions have a range of benefits for both your body and your mind ...
Women's Health

HIIT vs sprint interval training: Which is best for women over 40?

As women enter their 40s and beyond, hormonal changes can make it harder to build muscle, maintain energy, and manage body composition. High-intensity training is one of the most powerful tools for ...