I-FB Series Shoulder Press sebenzisa iphedi engemuva enesihlalo esilungisekayo ukuze uzinzise kangcono i-torso ngenkathi ujwayelana nabasebenzisi bosayizi abahlukahlukene. I-shoulder press ingenye yezivivinyo ezingcono kakhulu zokuqinisa amahlombe akho kanye nomhlane ongaphezulu. Umzuzi omkhulu wokucindezela kwehlombe ingxenye engaphambili yemisipha yehlombe lakho (i-anterior deltoid) kodwa futhi uzobe usebenzisa ama-deltoid akho, i-triceps, i-trapezius ne-pecs.