You probably knew it takes 17 muscles to smile and 43 muscles to frown. You may not have known that it takes twice as long to lose new muscle when you stop working out than it took to gain it.
Source: BeHealthy24.Com
You probably knew it takes 17 muscles to smile and 43 muscles to frown. You may not have known that it takes twice as long to lose new muscle when you stop working out than it took to gain it.
Source: BeHealthy24.Com