If your spine is inflexible stiff at 30, you are old, if it is completely flexible at 60, you are young !
That's why everyone should do Pilates
Improve your posture
Pilates movements and poses promote:
Strengthen your body center:
With regular Pilates exercises you develop:
Strong muscles in abdomen, back and pelvic floor. The gentle but effective training method activates and builds up the deep abdominal muscles that strengthen your back and protect your spine from injuries.