Is planking good for your back?
Planks strengthen the muscles that make holding a neutral spinal posture possible, reducing the stress to your back even when sitting. Improved abdominal strength and core stability will also enhance your balance and flexibility, making your movements more efficient and reduce the risk of injury.
Do planks strengthen your lower back?
A properly performed plank is one of the best exercises to strengthen your core, which is also important for the proper body posture and alignment of the spine. By planking, you strengthen your lower back muscles significantly, thus making you resistant to back pain.