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🦴 Understanding Your Lumbar Spine: The Foundation of Movement 🦴🦴 了解你的腰椎：运动的基础 🦴
The lumbar vertebrae (L1-L5) are the lower five vertebrae in your spine, playing a crucial role in your body’s structure and movement. As the largest and strongest bones in the spine, they’re built to handle everything from basic movements to heavy lifting。腰椎（L1-L5）是脊柱中的下五个椎骨，在你的身体结构和运动中起着至关重要的作用。作为脊柱中最大、最坚固的骨骼，它们被设计来处理从基本运动到举起重物的各种情况。🔹 What Sets the Lumbar Spine Apart?
• Strength and Stability: These vertebrae are the backbone (literally!) of your support system, designed to bear the weight of your upper body and absorb impact during daily activities.• 力量和稳定性：这些椎骨是支撑系统的支柱（字面意思！）设计用来承受上半身的重量并在日常活动中吸收冲击。• Mobility with Control: Your lumbar spine allows a wide range of forward and backward movements, like bending and lifting. However, rotation is limited to protect your spine from twisting injuries.• 主动控制：腰椎允许进行大范围的向前和向后运动，如弯曲和举起。然而，旋转受到限制，以保护脊柱免受扭伤。• Nerve Protection: The lumbar spine houses the nerve roots of the cauda equina, a bundle of nerves essential for leg movement and sensation. This makes it a key player in both stability and flexibility.• 神经保护：腰椎内含有马尾神经根，这是一束对腿部运动和感觉至关重要的神经。这使得它在稳定性和灵活性方面都起着关键作用。🔹 Common Issues in the Lumbar Spine1. Herniated Disc: When the soft cushion between vertebrae pushes out, potentially compressing nerves and causing lower back pain or even sciatica (leg pain).1. 椎间盘突出：当椎骨之间的软垫推出来时，可能会压迫神经，导致腰痛甚至坐骨神经痛（腿痛）。2. Lumbar Spondylosis: Age-related wear and tear that can lead to stiffness and discomfort.2. 腰椎退行性病变（※退化性脊柱炎）与年龄相关的磨损，可能导致僵硬和不适。3. Spinal Stenosis: Narrowing of the spinal canal, often causing leg pain and numbness, especially when standing or walking.3. 脊椎狭窄：椎管狭窄，常引起腿部疼痛和麻木，尤其是在站立或行走时。4. Facet Joint Dysfunction: The small joints between vertebrae can become irritated or inflamed, leading to localised pain.4. 棘间关节功能紊乱：椎骨之间的微小关节可能会发炎或肿胀，导致局部疼痛。注：Facet Joint Dysfunction本身是一个比较复杂的疾病，涉及多个关节、组织和功能，因此很难用一个简单的中文术语完全概括
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关键术语中英文对照和解释
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