Abstract: A fitness system includes two adjustable webbing attachment loops and a load cell device. The device comprises a casing that houses a load cell and a processor coupled to a non-transitory computer-readable medium and the load cell, configured to measure forces applied via the webbing loops. The loops are removably attached to the load cell in perpendicular orientations, each extending outward in the direction of force measurement. A load cell sensor portion is coupled to the processor. A first anchoring block is affixed to a first end of the sensor portion and includes two lateral protrusions extending from corresponding apertures in the casing, serving as attachment points for two adjustable webbing clasps. A first loop is secured via the clasps. A second anchoring block is affixed to the opposite end of the sensor portion, forming a space with the sensor portion to receive the second adjustable webbing attachment loop.