A portable work capacities testing apparatus comprising a portable computer, a hub releaseably interconnected with the portable computer, a dynamic strength and lifting device releaseably interconnected with the hub, a hand grip strength device releaseably interconnected with the hub, a finger pinch strength device releaseably interconnected with the hub, a forearm/wrist strength device releaseably interconnected with the hub, a handling/proprioception device releaseably interconnected with the hub, a finger flexion device releaseably interconnected with the hub, a whole body coordination device releaseably interconnected with the hub, and a strength push/pull/lift device releaseably interconnected with the hub.