Postural Dysfunction, AKA Text Neck

Postural dysfunction occurs when muscles in the neck and upper back tighten or weaken due to prolonged inadequate posture and/or a sedentary lifestyle. This dysfunction is known as shoulder or proximal crossed syndrome. Postural weakness and tightness occur in a diagonal pattern.

Tight muscles:

    • Upper trapezius
    • Levator scapulae
    • Pectoralis major
    • Sternocleidomastoid

Weak muscles:

    • Deep neck flexors
    • Serratus anterior
    • Rhomboids
    • Middle and lower trapezius

Poor posture can lead to dysfunction of the shoulder joint as well.

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