🎉🎉颈椎小常识 Cervical Spine Health 颈椎1-2椎：头痛、头晕、头昏，耳鸣颈椎2-3椎：头昏、咽部不适、后背酸胀颈椎3-4椎：颈部疼痛、肩胛骨酸胀、肩关节障碍，斜颈，双手麻木