Muscle Therapy Devices:
Getting your tight, knotted, and sore muscles around different areas of your spine and body relaxed and maintained in that condition is a crucial and important part in keeping you relatively pain-free.
The "theracane" or "massage hook" device is one of my favorite devices for its simplicity, cheaper cost, and its ability to hit muscle groups in a way few devices can. My favorite use is hitting the areas on the back and outer side of the scapula. Follow the link below for my favorite one.
If your muscles are feeling very fatigued, sore, and in general you feel like you'd rather have some electrical assistance for restoring your muscles back to a healthy condition, here are a few options.
I've used this massager by "Bob and Brad" in the office and find it to be of good quality, reasonable portability/maneuverability and a decent price.
If you'd like a slightly smaller unit for more portability and a slightly cheaper price they make a smaller version.
I've used this HoMedics device off and on at home for years for general muscle recovery. It's a plug-in device so it might not be as convenient as some of the newer battery ones, but it is a decent overall massager.
Another great option for times where you are able to put minimal effort towards self-massage and aren't wanting to break the bank are the wrap-around style massagers. Here is one option below: