Body Solid DBTCSF Pro Dual Bicep & Tricep MachineBody Solid Pro Dual Bicep Tricep Extension Machine The upper arm is made up of two primary muscle groupsthe biceps and the triceps, and it is equally important to train both. To achieve optimal results from arm exercises, it is essential to perform movements consistently and correctly every time. Body Solid's ProDual Bicep Tricep Machine provides a seamless change from bicep exercise to triceps exercise with dual grip handles. The adjustable seat and