fixed pulleys 32 in some embodiments the brackets of the engaging device 30 fig1 and 15 may pass outside of the brackets for the docking device to engage the axle of the floating pulley and remove the floating pulley from the docking device when the engaging device 30 is moved in a forward direction fig1 shows a partial perspective view of an exercise apparatus as disclosed herein and indicating adjustable positions for the work arm 12 relative to the cam arm 20 the work arm 12 is adjustable via a slotted plate 16 and a retractable pin 18 fig1 shows a perspective view of an exercise apparatus as disclosed herein mounted on an upright portion of a frame 50 via a mounting arm 36 the mounting arm 36 is adjustably rotational in an arc about a mounting axis 90 via a slotted mounting plate 70 and retractable pin 80 the mounting axis 90 is approximately perpendicular to an upright portion of the frame 50 the mounting arm is angled and includes a first end positioned at an angle relative to the other end at an elbow joint 58 the rotational axis defined by the pivot pin 34 is at an angle relative to the rotational mounting axis 90 providing for converging and diverging motion for the working arm of the exercise apparatus towards or away from a sagittal plane that bisects the user the disclosed exercise machines may be multifunctional and configured for performing multiple exercises at a single setting in some embodiments the exercise machine may be configured at a single setting for performing one or more of a shoulder press when the working arm is pushed and a lateral pull down when the working arm is pulled a super incline press when the working arm is pushed.