Wheelchair Measurements:
		Hip Width: Use this to figure seat width if it is the widest point
		Widest Point: Measure the widest area across the lower extremities if different from the hip width. This may influence seat width or arm style.
		Chest Width: Measure the widest point of the thorax just below the arm pit. This measurement may influence system width or back width.
		Heel to Knee: Use this for legrest extensions and seat height.
		SRP to Knee (Seat Reference Point to Knee): This will determine the seat depth
		Elbow to SRP (Elbow to Seat Reference Point): Measure this width with the arm in a 90 degree angle at the elbow and the shoulder in a neutral position.
		Shoulder Height: This will determine the height and the style of the back panel or the start for a custom back.
		Head Height: This will help determine the proper headrest height.