Advantages: can effectively help the body to burn calories; running ankle pressure reduced, therefore have a higher security compared with other aerobic machines, stationary bike covers an area of small leg shape better.
Limitations: training methods are single; exercise was not involved in any exercise of upper limbs.
Summary: form, prone to boredom.
Rowing machine
Advantages: can make all your muscles have been a very good exercise; interest is strong.
Limitations: it takes some time to become familiar with and master the proper techniques; bad resistance regulation likely to cause muscle strain. Attention need to be stopped in order to adjust the resistance training. Than other aerobic devices, covers an area larger.
Summary: skills are not easy to grasp.
Elliptical machine
Advantage: to walk, climb stairs, cycling and skiing and many other sports combined together. Can exercise the coordination of upper and lower limbs. Exercise pressure on joints, is a young and old sports equipment. Less noise.
Limitations: the angle of the leg movement and on the way, there are certain restrictions.
Summary: with lower extremity limitations.