Anatomy of the “back” In order to understand a lower back strain/sprain, a small anatomy lesson must be done. The back is a complex structure of bones and muscles, supported by cartilage, tendons and ligaments. “Back” is a common term which can include portions of the neck, thoracic spine and lumber spine. The back—especially the lumbar, or lower portion of the back—bears much of the body’s weight during walking, running, lifting and other activities. Defining a strain vs. sprain A strain is a general term for an injury that affects a muscle or tendon. Then, the location of the injury…
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