Читать книгу The GI Walking Diet: Lose 10lbs and Look 10 Years Younger in 6 Weeks - Joanna Hall - Страница 14

Endurance, often referred to as stamina, is a muscle’s ability to keep going. All muscles need endurance – the muscles of your legs need it to keep walking, for example – but one of the most important muscles is the heart. The endurance of your heart is vital to your wellbeing, and it’s often referred to as your ‘huff and puff’. Having poor endurance means that it can be hard work running after a bus, train or walking briskly up a hill. Climbing a flight of stairs can leave you feeling uncomfortable and breathless. If you have young grandchildren, you’ll know how much energy and endurance they have and how you need to be able to keep up with them!