white collar worker male relaxing neck - demonstration

armrest awareness balance being blinds break business businessman calm casual caucasian chair collar corporate corporation correct cramp demonstration discomfort disease employee environment environmental ergonomic exhaustion fatigue fitness form furniture good headrest healthy instructor lifestyle male man meditation mindfulness muscle neck occupational office overworked pain peace peaceful physical position posture practice prevention productivity professional proper relax relaxation relief relieving seated serious shape showing sit sitting stress stressed stretches stretching swivel tense tension tired well wellness wheels white windows work worker yoga