They will neither make your waist bigger or smaller , but they will wreck your spine for sure. Avoid them like the plague and focus on proper strength training to lose fat. Russian twist exercise is a good workout for the whole abdomen.
They will neither make your waist bigger or smaller , but they will wreck your spine for sure. Avoid them like the plague and focus on proper strength training to lose fat. Russian twist exercise is a good workout for the whole abdomen.