Range of motion is the amount of movement you have with any joint before being restricted by the bones and muscles attached to the joint or by pain or stiffness.ROM differs from person to person, and the range of motion in your back for flexion and extension is unique to you.NL ROM. Full range of motion is described as being within normal limits, or WNL. Normal ROM for back flexion is 90 degrees, or bending forward to touch your feet.
The average length of bigger RVs is between 7.6 meters to 12 meters or 25 feet to 40 feet. These vehicles are usually packed with different interesting features, most of which are intended to offer luxury and convenience.
1 MPG-Large motorhomes may eat up a lot of fuel, but diesel engines are generally more fuel-efficient than gasoline RVs. 2  This extra efficiency can help offset the costs of diesel fuel. 3  The average gas motorhome usually gets around 6-10 miles per gallon, while a diesel RV should get you into the 8-14 mpg range.he added benefits and features of these vehicles means they often cost more than their gas-engine counterparts. New prices can range anywhere from $250,000 to $600,000. Used models on the other hand can be as low as $40-$60,000, even for some of the higher-end models.