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To test and strengthen your balance, try a side plank with a leg raise â get into side plank position, then lift your top leg and hold for one count. Lower it and repeat, then switch sides. In addition, planks work all the muscles you need to maintain proper posture, like your back, chest, shoulders, abs, and neck.
The best way to improve is to keep doing the plank, and also do a few exercises such as push-ups. (Anything that works your core or shoulders.) My one tip for endurance is to get really motivated â holding the position requires a lot of mental toughness, so work on focusing your mind and working through the pain.