A 30-day challenge can help to get the ball rolling, but it may not be enough to make lasting change. In fact, research suggests it takes an average of 66 days for a new behavior to become ingrained.

Is the 30 day Plank Challenge effective?

30-day plank challenge

Planks work to strengthen your core, meaning you'll see improvements with your posture as well as being able to see improvement with back pain if you have it. ... Cons: If you don't use proper form, you are highly at risk for neck pain, shoulder pain and back pain. Make sure your form is correct!

Can you really change your body in 30 days?

The truth is that yes, you can change your body in 30 days. Naturally, you are unlikely to wake up on day 31 with the bulging biceps of a body builder, nor morph from couch surfer to swimsuit model either.