You don’t need sit-ups—try this 5-minute core workout instead

A strong core improves posture and stability. Try this bodyweight plank routine at home. It only takes five minutes.
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Are you bracing your core or just holding your breath? A yoga teacher reveals how to correctly engage your deep core muscles when you exercise

You’ll have read or heard the instruction a thousand times, but how do you actually engage your core and what does it look like in practice? That’s something certified yoga teacher Leanne Lent from ...