Muscle imbalance happens when opposite muscle groups have a difference in muscle strength, length & muscle tone. Many people still believe that physiotherapy is only needed for rehabilitation after injury, accidents, or surgery. In reality, almost everyone can benefit from physiotherapy to prevent injuries. Physiotherapists can play an important role because many of our aches and pains are caused by muscle imbalances. There is a certain reason that happens like certain activities in the daily life of inactivity, bad posture, inadequate stretching, or unbalanced exercise program.