Makina amphamvu a F series, F88 ndi makina amodzi olimbitsa thupi a Dual station, mwachitsanzo kuphunzitsa Chest & Shoulder Press pa makina amodzi omwewo. Zogwirira ziwirizi zimawonjezera chitonthozo ndi mitundu yosiyanasiyana ya masewera olimbitsa thupi a munthu wochita masewera olimbitsa thupi. Izi zimalimbikitsa kusonkhanitsa minofu yambiri komanso kuchita masewera olimbitsa thupi osiyanasiyana pamene akuphunzitsa minofu yomwe imakhudzidwa ndi mayendedwe okankhira thupi lapamwamba, kuphatikizapo minofu ya pachifuwa ndi triceps.