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【宝贝描述】：色彩鲜艳，轻便灵活，做工精细，表面光滑，表层塑胶可防止碰坏地板。是瑜伽、健美操、塑身减肥的理想选择。

【Features】: Due to the surface being wrapped in plastic, the safety performance is naturally improved, and there will be no impact on the floor. There will be no result of falling on the floor and crushing a hole, and the neighbors below will not have any complaints. (During processing, the surface plating process needs to leave air holes, which does not belong to quality problems and does not affect use. This is to be specified.)
【Suitable for people】: Women, children and teenagers, the elderly and middle-aged people can all use.
【Main functions】：
Dumbbells are a simple piece of equipment used for strengthening muscle strength training.
Its main material is cast iron, and some are wrapped in a layer of rubber or plastic.
Its purpose is for strength training, muscle compound movements. Patients with low muscle strength due to paralysis, pain, or long-term inactivity can hold dumbbells and use the weight of the dumbbells for active resistance exercises to train their muscle strength.
Dumbbells can train a single muscle, such as increasing weight, requires the coordination of multiple muscles, and can also be used as a muscle compound action training.
【Usage Method"]
1. Choose the appropriate weight for dumbbell exercises.
2. The purpose of practice is to increase muscle, and it is best to choose dumbbells with a load of 65%-85%. For example, if the load that can be lifted each time is 10 kilograms, it should choose dumbbells with a weight of 6.5 kilograms-8.5 kilograms for exercise. Practice should be 5-8 sets a day, with 6-12 repetitions per set, and the movement speed should not be too fast. The interval between each set should be 2-3 minutes. If the load is too large or too small, or the interval time is too long or too short, the effect will not be good.
3. The purpose of this exercise is to reduce fat. It is recommended that you perform each set between 15 to 25 times, or even more, with an interval of 1 to 2 minutes between each set. If you find this exercise boring, you can practice with music you like, or follow the music to do dumbbell fitness exercises.

The benefits of long-term exercise with dumbbells:
1. Long-term practice with dumbbells can shape muscle lines, increase muscle endurance. Regular heavy dumbbell exercises can make muscles firm and strong, increasing muscle strength.
2. It can exercise upper limb muscles and muscles in the waist and abdomen. For example, when doing sit-ups, holding a dumbbell in both hands behind the neck can increase the load of abdominal muscle exercises; holding a dumbbell in both hands.
Performing lateral flexion or rotation exercises can strengthen the internal and external oblique muscles. Holding dumbbells and performing straight-arm front raises or lateral flat raises can strengthen shoulder and chest muscles.
3. Can exercise lower limb muscles. For example, holding a dumbbell to squat with one leg, squatting and jumping with both legs, etc.

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