Skinny Jeans also tones core muscles so gym - goers can zip their skinny jeans . Finally , posture also helps , as are balance and ability to stand back straight . Expert : Like any exercise program , it 's important to start slowly , not get excited .
Skinny Jeans Workout tones core muscles so gym-goers can zip their skinny jeans . Balance , posture also addressed , as are flexibility and strength to hold back straight . Expert : Like any exercise program , it 's important to start slowly , not get injured .