Muscle strain (pulled muscle)due to arm overuse or overstretching can cause sudden pain, tenderness and mild swelling in the muscles in the front, behind or below the armpit. Armpit pain withbruisingcan be caused by using crutches, wearing splints, direct hit into the armpit, rib fracture, s...
3.2.Repetitive forward arm movements during sprints, boxing, push-ups or bench presses can result inserratus anterior muscle painon one or both sides of the chest, which can radiate down the inside of an arm and into the pinky and ring finger; the pain can be aggravated by deep breathing[...
So I have been getting pains in my right side under my ribs but in my back where someone can push on where it hurts and I don’t have a problem . But if I move or try to climb in bed it makes me cry out in pain. Went to the hospital X-ray was fine ultersound of my right...