This tool is the ideal one for measuring bone lengths and segment heights. It has short-pointed branches to position instrument on the right landmarks, it is easy to handle, and has a visualizing window with white numbers and scale contrasted on a dark background with a clear yellow indicator line resting on an iodized aluminum axe. An ergonomically-designed sliding section for finger positioning, this tool has a length of 60cm and a resolution to 1.0mm. As with other Holway instruments, it includes a two Allen-type screw mechanism to allow calibration, and comes with its corresponding Allen wrench.
Knee height or ulna length (forearm) to estimate height of patients unable to stand (i.e. in wheel chair or bedridden)
Demi-span (finger tips to mid chest)
Upper arm lengths to calculate midpoint for body fat testing, or for blood pressure cuff location.