Planks Make you Work More of your Muscles The plank on the knees is a fantastic plank variation for novices because it shortens the 'lever length,' or the distance from the knees to the shoulders, which requires you to maintain less body weight. Here is a commendable example provided by the Females Gone Strong team. To learn more, see our blog post on plank how many calories burned. https://www.thevoiceofwoman.com/how-many-calories-are-burned-in-a-plank #plank #muscles #knees #bodyweight #blog #woman #blogwebsite #Business #Health #thevoiceofwoman