Sitting ergonomics: Different sitting postures & analysis of chair sitting muscle work
     Different varieties sitting postures:   A. Common sitting postures:   1.    Chair sitting  2.    Crossed sitting  3.    Crossed sitting with arms wrapped around both knees & locked in front  4.    Half crossed sitting  5.    Crook sitting  6.    Inclined sitting (to back)  7.    Inclined sitting (to sides)  8.    Inclined long sitting  9.    Side sitting  10.    Stoop sitting  11.    Fall out sitting  12.    Ride sitting  13.    Kneel sitting  14.    Crouch sitting   B. Activities in sitting:   1.    Twisting in sitting  2.    Bending & reaching in sitting (sidewise- office works & in front- driving)  3.    Hitching & Hiking (to relieve pressure on buttocks in prolonged sitting)   C. Co-existing unavoidable stress f...