这篇研究说明了适当增加物理压力对我们人体各个组织所带来的好处，而我们可以利用适当的运动让我们的身体来承受这些压力，进而强化这些组织，避免萎缩或伤害。 Organ System Tissue/Organ Stress/Activity Level High Musculoskeletal Bone ↑BMD ↑strength Muscle ↑contractile protein ↑fiber diameter f peak tension ↑peak power Tendon ↑CSA ↑stiffness ↑strength Ligament ↑CSA ↑stiffness ↑strength Cartilage ↑proteoglycan content ↑cartilage thickness ↑stiffness Integumentary Skin ↑collagen content ↑collagen fiber diameter ↑skin thickness ↑strength Cardiopulmonary/vascular Heart ↑cardiac muscle mass ↑capillary density ↑stroke volume ↓metabolic capacity …
