We discovered a series of exercises that, in just 4 weeks, will dramatically reshape your body. All you need is willpower and 10 minutes a day; you won’t need to spend money on a gym and specialized equipment.

Plank

What to do: Planking is an isometric (static) workout in which holding your body correctly is the rule. Follow the illustration above and maintain a straight back and legs without sagging or arching.The exercise targets the abs, back, buttocks, legs, and arms when performed correctly. Additionally, it helps with posture and overall muscle tone.