<unk>  is the<unk>  that results from certain muscles tightening up or shortening while others lengthen and become weak, which often occurs as a result of one's daily activities. It may lead to pain, injury, or other health problems. There are different factors which can have an impact on<unk> , including occupational activities and biomechanical factors such as force and repetition. Risk factors for<unk>  also include psychosocial factors such as job stress and strain. Workers who have higher job stress are more likely to develop neck and shoulder symptoms.<unk>  may lead to injuries such as lordosis.
Poor posture
Drunk walking
Risky sexual behavior
Physical disability
Frequent urination
Sedentary lifestyle
Pathological lying
Genetic predisposition