"Body stamina" refers to the physical ability to sustain physical activity or exertion without feeling exhausted too quickly. It means having enough energy and strength in your body to keep going for an extended period of time. Full definition
Side planks strengthen your deep abdominal muscles which most exercises fail to target properly and build upper body stamina and endurance. (fitnessandpower.com)
The thickness of the ropes combined with non-stop moving undulation drills require full body stamina as well as incredible grip and forearm strength. (onnit.com)
The Steel Mace Endurance Battle # 1 will challenge your full body stamina with three Steel Mace exercises. (onnit.com)