Yes, it could be scar tissue or a muscle knot.
A lump on the back could be connected to a severe problem for the entire body. You need to be more descriptive about a lump. This could be a muscle knot or it could be a cancerous growth. Severe or insignificant must be assessed after a proper diagnosis. This requires more info.
Answer
Since I am not a Doctor answering your question could do you more harm than good so if it's not too much to ask of you, please go see a Doctor. He or she will be able to answer your question, maybe run a few tests and give you an answer that you won't have to question.
Severe pain in your foot and the back of your knee when you point your toes to the ground could come from a damaged tendon or ligament. You might also have pulled a muscle in the leg. Check with your doctor to make sure this is not more serious.
The nerves in your knees are connected to your foot and spine. If you have no problems with either of those, you might not actually have a problem. As a precaution, you could see a doctor or physiologist.
They may have made a mistake, and connected the sensor backwards, or wrong. It could even possibly be loosely connected. Take it back and have it checked again.
sounds like a severe kidney infection- depending on the length of time this had been going on. I would recommend following up with your primary care physician immediately, as kidney infetions only progress and get worse over time.
Yes!
Because when he was hired he didnt tell them that he was chronically ill and addicted to pain killers and had a severe back problem.
If you are purging, the strain of vomiting could be the cause.
Most likely, it will die. Small chance it could come back.
Could be. Could also be all the trying.
That varies with the problem. Could be immediate, or could take a week.
It's having a curvature to your spine. it can cause many debilitating symptoms, from back pain to the inability to walk if severe enough.
a simple fix would be to attach the wire to a screw that is connected to the the metal body of the car