While sit-ups and crunches are great for building strength and stability in your core, they aren’t essential. If you’re bored ...

While sit-ups have long been a go-to for strengthening the core, they're not always the most effective or safest option for everyone. Proper form and technique are key to maximizing the benefits ...

While sit-ups remain popular at gyms ... lifting your legs off the floor to form a V-shape (you can cross your legs if it helps with balance) Hold a dumbbell with both hands and bend your elbows ...

Sit-ups tighten and tone the abdominal muscles that run from beneath the sternum to above the pelvis. This results in a flatter stomach and, if practised along with plenty of aerobic exercise ...

Just make sure you do each with proper form to reduce the risk of injury and achieve the most benefits. Insider's takeaway Both sit-ups and crunches can help you build a strong core. While sit-ups ...