Whether you pulled a back muscle while golfing, gardening, reaching for a toddler or trying to retrieve an object, the result is the same: not a whole lot of fun. You’ll experience inflammation around the affected area and then spasms. The spasms cause the majority of serious back pain and keep you from moving like you’re used to.
In case you get a flat, the temporary “donut” in your trunk is meant to get you off the road and to the nearest service station for proper repair ASAP. Manufacturer’s instructions warn you to take it slow and easy when driving on them – those tiny tires aren’t designed to withstand the load of normal driving.