Image Source : TIRR Memorial Hermann. (2017). Rehabilitation after Limb Loss: A guide on what to expect to achieve your goals . Retrieved from http://tirr.memorialhermann.org/uploadedFiles/_Library/TIRR/Rehab_After_Limb_Loss_Manual-English.pdf
While sitting or standing, places arms at the sides
Squeeze the shoulder blades together while holding the shoulders down and back.