Whether you outright loathe doing a sit-up or ... on to the next exercise. These different plank variations will engage and challenge your core muscles but they'll also target some of your upper ...

When you’re sitting, especially in front of a computer ... your chair or desk for balance, and then slowly rise up onto your toes. Lower back down and repeat. This exercise works your calves ...

If you have ever felt tension in the front of your hips after sitting too long ... The three-way hip flexor release is a mobility exercise I practiced and refined over years of working with ...