对于平时生活的观察一定要做到细致，这样在作文中才能有更加细腻的描写，层次不够清晰的作文写出来会给他人不好的观感，小编今天就为您带来了健身的作文7篇，相信一定会对你有所帮助。
the more you sweat, the more fat you burn .
this myth has encouraged people to work out in extreme heat or wear layers of clothes or rubber or plastic weight-loss suits in the hope of sweating fat off. unfortunately, it's water they're losing, not fat.
fat burns when it is used as a fuel source for exercise, which doesn't happen initially. when you first begin to exercise, you burn carbohydrates or sugars. it takes about 20 minutes of easy to moderate aerobic activity before the transition from burning sugars to fat begins. (aerobic exercise is any rhythmic and continuous activity that uses oxygen and large muscle masses of the body, such as the arms and legs. examples are bicycle riding, jumping rope, walking, jogging, aerobic dance, and swimming.) so, to burn the flab, plan on working out at least 40 minutes.
if you stop working out, your muscles will turn to fat.
i like many kinds of sports, such as swimming, running, table-tennis and badminton. but i like running most. running is a good activity for people to keep healthy and relieve pressures. besides, it’s very easy for me to running. i can run in the morning or after class. and i can run alone. i don’t have to find a partner to run with me. after running, i always feel good and relaxed. it has become a part of my life.
a recent survey shows that the health of the students in our school has been going from bad to worse in the past three years. it’s shocking that 92.5 percent of us are nearsighted now, compared to 78.20% in 2005, which was already worrying. the same is true for students’ sleeping condition. nine students out of ten suffer from a lack of sleep at present.
there’re another two facts that shouldn’t be ignored. two years ago, about one third of the students were in the trouble of overweight, and less than one third of them had problems in mental health. however, both numbers have risen to 50% or so within the past two years.
in view of the serious health condition, immediate steps should be taken before it’s too late. to begin with, the amount of homework should be properly controlled. moreover, school should provide students with necessary knowledge on health and satisfy their needs for recreation. it is equally important that students should get rid of their unhealthy habits, become more efficient in their study and lead a healthy life.
people want to have good health.what is good health?you are feeling strong and well.your eyes are bright and clear.your face is clean and fresh.you feel happy and ready for anything.you enjoy your work and life.you are in good health.exercise is one of the forms to keep our body in good health.exercise trains the muscles and makes them stronger.you can walk and throw a ball because you have trained your muscles to do these things.feel the soft part of your arm.you are feeling muscles.when you bend your arm you can feel the big muscles move and bee firmer.exercise not only keeps the muscles of the limbs and body in good condition,but also strengthens the muscles of the heart and organs of breathing.exercise helps to make the heart strong.have you ever felt your beat?it beats faster when you are running than when you are sitting still.the heat pumps blood more freely when we do exercise,and serves all parts of the body better.exercise helps the lungs to do better work.too full and rapid breathing develops the muscles of the chest.let's take part in exercise.the earlier,the better.
directions：for this part，you are alloposition on the topic body-building. you should position on the outline beloe an indispensable part of many people’s life.
why are so many people keen on body-building?firstly，keeping health is one of their main purposes. in modern ociety，many people stay for most of the day before the desk e to realize the potential danger of their working pattern. secondly，body-building is beneficial for people to keep their body shape. many setting-up exercises like aerobics are very helpful in cutting up weight. besides，body-building is a good way by which people can release pressure.
as far as i am concerned，the popularity of body-building will be a long-time trend. it shows people begin to pay more and more attention to life quality. as a fashionable，healthy lifestyle，body-building will attract more and more people.
this year is the state council approved the establishment of "national fitness day" in the first year, in order to ensure that the "national fitness day" activities to achieve results, so that countries have established the "national fitness day" actually benefit from the results of all the people, and constantly enhance the consciousness of the masses of scientific fitness and physical, according to the state sport general administration of sport and provincial requirements, special development of this program.
夕阳西下，鸟儿归林，大地仿佛笼罩上了一层金纱穿上了金衣，照得世界万物都变的金灿灿闪亮亮的，照在人的身上使人感到一种温馨的感觉，而我们的心情还是那么的高昂的，因为我们的运动会以经进入了高潮了。
跑步比赛要开始了，“哈!该我大显身手了”我叫道，这时候大“喉咙”叫了起来：“请跑步的同学到跑道上集合，我马上动身跑到了自己的跑道，我稍微热了热身就在跑道上各就各位了，两眼直看着前方，把手摆放好了后，这时”神枪 手“开枪了”砰“的一枪，我就冲了出去，像只离了弦的箭一样疯狂的奔跑着，对手也不赖紧紧跟着，我想;”哈哈，我赢定喽。“我跑着跑着看见了我的”粉丝“同学们口中喊着：”雷振加油!雷振加油“我心里更来劲了，使出了吃奶的力气用了的跑着，”啊呦我的肚子怎么痛了“我小声的嘟嘟道，我想;”完蛋了，我前面跑了那么多，怎么肚子痛了这不是溃功亏一篑了吗，不行我一定要跑下去。“这时候我的速度慢了起来，同学们见此状喊的更响亮了：”雷振你一定要赢啊，雷振要努力!“我真的无法放弃同学对我的希望，我忍住了痛，闭上了眼睛冲刺着，突然一声：”第一名“我吓的魂飞破散顿时听下了跑步想：”没希望了。“我眼睛一下着红了，眼睛中蹦出一个”金豆豆“这时不意中听见：”雷振你真棒!你跑了第一名不赖嘛。“这时候我还以为有人对我大却的说呢，我忍不住不睁开眼睛了，我看见了许多人围在我的身边。”呀!是真的呀“我惊讶的叫道，我高兴极了，犹如中了大奖一样一蹦山尺高。
啊!这场比赛使我懂得了一个道理，只你努力了，你就成功，比赛其实获得的名次不重要，只要你感于去参加就行，还有一句话叫：友谊第一，比赛第二嘛!”
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