Knee Pain - Causes - Symptoms - Diagnosis - TreatmentKnee pain caused by arthritis can be associated with joint pain, stiffness, decreased mobility, and decreased joint function, making activities of daily living difficult.arthritis knee pain - Arthritis Treatment and Relief Resource CenterSimple causes of knee pain often clear up on their own with simple self care. Excess weight can put you at greater risk for knee problems. Knee pain can be caused by:Arthritis & Knee Pain | LIVESTRONG.COMArthritis & Knee Pain. Arthritis occurs due to inflammation and damage to the joint between two bones and the structures surrounding it, such as muscles, tendons and ...