A pulled (or strained) muscle could take a few days to feel better. Severe injury could take weeks to months. Find out what ...

Pain or discomfort in the upper, mid or lower back Minor muscle strain from ... Muscle overuse from exercise also causes strained back muscles. Pain is not the only symptom. Walking a little bent over ...

A pulled or strained muscle can cause pain in the left upper quadrant ... radiate to the back, or radiate down toward the ...

As with any other muscle, the intercostal muscles can become strained with sudden or repetitive force ... in activity or increased exertion and physical demands of the chest and upper body that can ...