Poor circulation would cause your arms to feel cold. The pain in your left arm could be from your back being out of alignment. You could try visiting a chiropractor or osteopath and getting an adjustment.
Anemia causes fatigue (feeling tired), dizziness, confusion and can cause you to pass out if severe.
There are quite a few different things that could cause shoulder blades to pop out of place. Car accidents could cause this.
You may have damaged the intricate set-up of the shoulder muscle(s) and possibly the ligaments as well.The coldness could be due to a small tear in the muscle and it could be bleeding which means the blood is not flowing properly to the area that is cold.Diminished movement/feeling suggests impingement of a nerve.If you cannot recall an event that may have caused this,then it may be something different entirely.
Allergies.
Basically you shouldn't. The practice of shoulder charging causes more stinger injuries than head on tackles. The shoulder is one of the most damages areas beside the knee in the modern game. Hitting with the shoulder only could if done indiscriminately cause severe damage
There are 2 different things that could be happening if your son is feeling pins and needles after hitting his shoulder. He could have a dislocated shoulder or he may have a pinched nerve in his shoulder or neck.
biceps tendon rupture, C5 radiculopathy, many, many more, need to see neurologist to localize
It depends on how serious the injury is. It could cause sickness, stress, and if the damage is severe, it could cause death.
apendicitis
There are a number of reasons why you might have pain between elbow and shoulder. This could be caused by a pulled muscle.
Severe osteoporosis could cause trouble in walking and bone shrinking.
It depends on how serious the injury is. It could cause sickness, stress, and if the damage is severe, it could cause death.