the pt complains of this pain from 3 months after an attack of chikun ganya.there is no morning stiffness but she complains of pain only after attending her nature calls in the morning.and gets relieved in 5 to 10 min after lying supine.spinal flexion and extension are normal . lateral flexion to both sides is also normal and equal. no pain on percussion but suffers localised pain on applying some pressure around L3-L4 para vertebral region. she complains of tightness when the pain is worst.arc of SLR is painful only at 90 degrees and the pain is only felt in the posterior aspect of the leg (bilateral).no sensory deficit.the patient is complaining of pain only in squatting posture.no lateral deviation of the spine apart from lordosis.knee jerk is normal bilaterally.