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IdentityStrength is the maximal force you can apply against a load. Training to improve muscle strength includes lifting weights or otherwise increasing the resistance against which you work.
A weak body does no good except dishearten your spirit. Lower stamina, nerve instability, and weak immunity exhaust your body. As a result, every physical task you do gets stressful and tiring. If you are looking at something natural and practical to prevent body weakness, yoga is your rescue boat.
Your body's strength comes from its ability to exert a force on an external object. The more weight you lift, the more strength you have. The intensity with which you apply the force also counts. Apart from exertion, countering and resisting an external force also requires body strength. Adequate body strength is good for overall health, and it makes life easier in general.
Mayur Vihar, Delhi 
Certified
