Do I need to be skinny to look toned? Exercises Fitness Models Training Methods Weight loss by admin - 7 May 20175 May 20170 Do I need to be skinny to look toned? Want to achieve that ‘shredded’ look? It usually requires an increase in muscle mass and a descrease in body fat.Increased muscle mass (i.e. size, width and volume of your muscle fibres) will help your muscles become more visible beneath body fat; however, significant mass is not always necessary for improved tone.According to exercise scientist Johann Ruys, “Muscle mass increase is generally associated with an increase in tone, but an increase in tone is not necessarily associated with a major increase in size.”How to achieve that ‘shredded’ lookTo achieve the ‘shredded’ look of a figure model, increased muscle mass is generally required – more so than for the taut, slender lines of a bikini model