Lower-back problems are primarily linked to weak back and abdominal muscles, which account for 75-80% of the cases. Tight or shortened hamstrings can also contribute by affecting pelvis position. While muscular strength is beneficial, excess muscle is not a primary cause of pain. ;
Lower-back problems are primarily due to weak back and abdominal muscles, accounting for about 75-80% of cases. Weakness in these muscle areas leads to inadequate support and can cause pain. Tight hamstring muscles may also contribute, but being overly muscular is not a common cause.
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