Why Do My Shoulders Hunch Uncontrollably When I Concentrate Deeply on Knitting?

Why Do My Shoulders Hunch Uncontrollably When I Concentrate Deeply on Knitting?

1. Introduction Uncontrollable shoulder hunching during deep concentration on knitting is an involuntary motor response driven by the sympathetic nervous system and the biomechanical phenomenon known as postural creep. As visual focus intensifies on the intricate stitches, the brain recruits the trapezius and levator scapulae muscles to stabilize the head and neck. Simultaneously, the psychological … Read more