Space walker is the most popular fitness equipment. It's popular because many people think it's easy to play, doesn't take much effort, and is addictive to swing around. Doctors say that the spacewalker is actually very easy to strain the lumbar muscles, if the legs swing too large, too fast, it is easy to strain the muscles around the spine. Therefore, in the "space walk" when the amplitude of swinging legs is best for about 45 ℃, the frequency is best for each 3-4 seconds.
Second is the stirrups force machine
This equipment is mainly used to exercise the lower limbs and waist strength, but for those who originally suffered from hip bone chondromalacia, it is not appropriate to carry out this exercise.
Next is the fitness cycling machine
This machine relies on the power of both hands and feet to do up and down movement, thus stretching the whole body to achieve the purpose of moving the joints of all parts of the body. According to reason, this exercise is very suitable for those who often work at home, neck and lumbar muscles have strain. But if the condition has developed to herniated discs, do not use this type of equipment, because the spine can not withstand the health riding machine a pull a pull "toss".
There is also a twisting device, rotating amplitude of more than 180 ℃
To control the amplitude of twisting, slow speed, movement to be gentle, otherwise there is also the risk of lumbar muscle strain. Doctors recommend that the amplitude of twisting not more than 180 ℃, frequency control in 3-4 seconds to complete an action is appropriate.
All of the above can be thin legs, if you are trying to gain muscle, running is the most real!