A portable exercise machine for performing upper extremity exercises including seated chest press, seated-row, seated triceps pull down, and modified seated abdominal crunches. It has two adjacent vertical pieces and one opposing taller vertical piece, each attached to a base member. It also has a pivoting member oriented in an operator-selected direction and an adjustable articulated arm bar with holes at various locations for handgrip attachment and adjustment according to operator stature for optimal user comfort during exercises. Mass resistance is secured by a filamentous member to the pivoting member and moved via pulley systems. The portable exercise machine provides functional body alignment and mimics the range of motion and type of movement needed for daily living, in activities such as but not limited to feeding and dressing. Most importantly, the present invention maximizes the productivity and efficiency of the user and the therapist in a rehabilitation setting.
