Min Chi Hsu

1 Introduction Mechanical neck pain (MNP) is one of the most prevalent musculoskeletal disorders, affecting 30%–50% of the global population (Hogg-Johnson et al. 2008). Beyond pain symptoms, MNP is frequently accompanied by proprioceptive dysfunction, which manifests as increased joint repositioning errors, reduced cervical range of motion (ROM), and impaired postural control (Banks et al. 2021; Sjolander et al. 2008).