Planks may seem daunting but are great for strengthening muscles in your core and elsewhere. Modifications can make the exercise more accessible — or more difficult.
What’s more, says Roberts, “Side planks are one of the most powerful stabilization exercises for the lower back and shoulders.” To gauge your ability to do a side plank, try this 1-minute ...
Side planks involve balancing on one forearm with ... You can also bring your right knee to your left elbow, and vice versa, an exercise known as a cross-body mountain climber.