Four abs exercises that everyone over 40 should do

Woman sits on yoga mat doing Russian twist exercise.

When your core is weak, back pain becomes more common, your posture suffers and even your balance can be affected—making everyday movements feel harder.

And according to Dr Cristina Sciavolino-Day, there’s more to a strong core than “flat abs—it protects your spine, improves balance and stability and keeps you moving well as you age.”