1, dumbbell, English dumbbell, weight lifting and fitness exercises an auxiliary equipment. Smaller than a barbell. Light dumbbell weight 6, 8, 12, 16 pounds (1 pound = 0.4536 kg) and so on. The weight of heavy dumbbells are 10, 15, 30 kg and so on. Thus favored by the majority of fitness enthusiasts. Because of the practice of no sound, named dumbbells.
2, barbell is a core training exercise training equipment, is also used in weightlifting equipment. Barbell exercise belongs to a kind of weight training, just the use of barbell training equipment, to enhance muscle strength training. You can also use the barbell for core training to promote overall coordination.
3, rowing machine is a machine used to simulate water rowing for training purposes. Indoor rowing has become a professional competition. Indoor rowers are also commonly known as ergometers (often commonly referred to as ergs or ergo abroad), which measure the amount of force expended by the exerciser during the exercise.
4, elliptical machine (elliptical trainer) in general health clubs, elliptical machine (elliptical trainer) is quite common cardiorespiratory fitness exercise training tools, but also widely loved by users.
5, dynamic bicycle, the English name (SPINNING), is by the United States personal trainer and extreme athlete JOHNNYG in the 1980s, is a combination of music, visual effects, and other unique dynamic indoor cycling training courses.
References:
Baidu Encyclopedia of Dumbbells
Baidu Encyclopedia of Barbells
Baidu Encyclopedia of Rowers
Baidu Encyclopedia of Ellipticals machine
Baidu Encyclopedia Dynamic bicycle