Assess pain, function, hip and knee strength and kinematics of trunk and lower limbs during ascent and descent stairs after the addition of neuromuscular training to hip muscle strengthening.

Inclusion Criteria:

• Sedentary women,
• previous knee pain last 3 months in at least two of the following activities: sitting for long periods, walk up or down stairs, squat, running and jumping

Exclusion Criteria:

• Lower limb surgery,
• patella displacement
• knee instability
• Heart or locomotor disorders which might influence the evaluation