If one feels pain in any one or more joints after getting out of bed in the morning or after a period of inactivity, it is a symptom of this problem. Such pain either subsides on its own or after some movement. If one feels lack of strength in the joints like it becomes difficult to hold a cup of coffee without keeping it down or getting up form sitting position or to squat is a symptom of joint pain. Pharma Flex RX The lack of strength in the joints occur due to muscles attached to the joint and responsible for its movement get weak, this weakness in the muscles disturb the normal movement of the joint and makes ligaments lax to promote pain in the joints later. Other condition caused due to muscle weakness is reduced range of motion. The joint does not allow the movement in the range as it used to be in past like bending down or lifting things lying on the ground become more and more difficult. Reduced range of motion is also a symptom of arthritic joint pain.