Inclusion criteria:
People between the ages of 18 and 40 (both gender)
Complaints of anterior knee pain in at least 2 cases of daily activities including: prolonged sitting, going up and down stairs, squatting, kneeling, jumping and running
Clark's test is positive
The duration of the onset of pain is more than a month and the pain is unilateral in front of, around or behind the patella, when the person reports an average pain of 4-7 on a numerical scale in the last week, and if the pain is bilateral, consider the side that has more pain
Kujala score level 50-80 with moderate disability
Exclusion criteria:
Presence of knee joint injuries such as meniscus tears or knee ligaments and tendons, knee joint arthrosis, dislocation or semi dislocation of the patella
History of surgery and trauma in the entire lower limb in the last 6 months
Lower limb neurological disorders and neuropathic pain
People who have received physical therapy and dry needling for patellofemoral pain in the past 6 months
Pain radiating from the lumbar region
Contraindications to using dry needling: - Presence of metabolic diseases including diabetes, rheumatic diseases - Local or systemic infection - Local wound in the skin - Pregnancy - Respiratory and cardiovascular problems (peripheral vascular disease, cancer, hepatitis, AIDS and any malignancy) ) - taking immunosuppressive drugs - needle phobia - epilepsy and mental problems - suffering from bleeding diseases and taking anticoagulant drugs