because it works out your legs and arms at the same time and burns more calories (热量) too...让我们开始四肢着地，爬着锻炼吧！DO you still run for exercise? This may sound a little outdated (过时的) to some ……

, your back follows. This makes you feel tired. Decide not to check your phone and make sure your ears.... This makes you feel tired. Decide not to check your phone and make sure your ears are right above ……

the immune system is too strong, it makes people get allergies (过敏).When the immune system is too weak, it makes people ill or infected (被感染的).When the immune system is too strong, it makes people get ……

to look better and increase your confidence.1. Put a little extra work in your heart exercise.Just for today, do 10 extra minutes of cardio (heart exercise) at about 10 per cent above your typical ……

. It's equal to one sit-up.Backarm toner:Stand with your arms by your sides, palms facing behind you. Keeping your arms straight, gently pull your arms backward for 5 seconds then release. Don't forget to do ……

. Do them a few times a week for a month and you'll notice a difference in the shape of your arms... arms and legs, without bending your knees. Your body should be in an inverted "V" shape.3. Breathe ……

it easy. 21st Century has found two simple, effective exercises to help you.Exercise 1: Lie on your back... off the floor. Inhale as you lower them. Repeat 8 to 12 times.Exercise 2: Lie on your back with your ……

THE length (长度) of your arms is almost the same as your height (高度). ……

The length (长度) of your arms is almost the same as your height (身高). ……

with microgravity, which affects human bodies. Therefore, to keep his bones, muscles and heart strong, Kelly had to exercise more than 700 hours in the ISS. That is about two hours of exercise a day. In his year ……

Cross your arms – it will hurt lessCROSSING your arms across the middle of your body can help.... “In everyday life you mostly use your left hand to touch things on the left side of the world ……

his friend Wang Ao’ran exercise his arms. Wang has a disability that makes it hard for him... his friend Wang Ao’ran exercise his arms. Wang has a disability that makes it hard for him ……

body, place your *elbows closely by the side of your chest with arms pointing forward. Raise your body using your toes and upper arms with your elbows ending up directly below your shoulders. Keep your ……

. "To get a dream figure, you need to know your body shape and choose a proper fitness routine," says Roberts.So, do you know your body type? For example, are you a banana, a pear or an apple?PearsThis ……

is strong enough to do extreme (极限的) sports. He can walk, climb (攀爬) and hang (悬挂) in the air, all with just his arms. He practices really hard. “I never give up,” said Shen. He also makes new friends ……