Inclusion criteria:
Women aged 18-40 years/old with unilateral patellofemoral pain
Anterior knee pain provoked by at least 2 of the following activities:prolonged sitting, ascending or descending stairs, squatting,kneeling, jumping, running
Pain on palpation of the medial and lateral patellar facets, and positive patellar grinding test
An insidious onset of symptoms not related to trauma for the last 3 months
Kujula scores 50-80
Average pain level of at least 3 out of 10 on an NRS during the previous week
Active for at least 30 min daily, but not professional athletes
Exclusion criteria:
Other knee joint pathologies such as meniscus and ligament injuries, osteoarthritis and tendon impairments;Self-reported history of patellar subluxation or dislocations; plica syndrome and Osgood-Schlatter disease; trauma in hip; knee or ankle joint
Knee surgery within the previous year
Radicular pain from other joints including lumbar spine, hip and sacroiliac joints or any pain in sitting position
Spinal problems such as fractures; discopathies; spondylolysthesis and previous abdomen surgeries ; vertebral column trauma or surgeries and spinal tumors
Metabolic disorders such as Diabetes; neurological, and rheumatology diseases such as Stroke;MS;RA and balance disorders and peripheral Neuropathies
Pregnancy
Athlete women who participates in a specific sport at least 2 h /day and 3 times a week regularly
Scoliosis