details - by: opal (jupiter) on youtube; og title: improve posture + get rid of neck hump 

affs: have perfect posture, 90° shoulders, always sit & stand straight. you’re immune to, free from neck hump/dowager’s hump, kyphosis, forward head posture. decreased curve in the upper neck, strong upper back muscles, curve of thoracic spine is 20°. eliminate neck fat.