If you have 10 minutes to spare, you have enough time to tackle this effective core workout that puts you through two rounds of fast-paced exercises to target your upper and lower abs.

Couch core workout after 60: a CSCS trainer shares a 7-minute seated routine to restore core strength, no floor work needed.

While classic core exercises like sit-ups, planks and crunches are undoubtedly effective, they're not the only way to strengthen your abs, and if you prefer you can stay standing and do a low-impact ...