Sacroiliac joint pain is the most causes of back pain In pregnancy caused ligament laxity in sacroiliac joint so cause pain and this pain continue after natal Shock wave is new conservative treatment used in physical therapy Shock wave is most effective for sacroiliac joint pain Low level laser is a most effective pain relive and effective on sacroiliac joint pain

The study is to determine if there is any difference between the effect of shockwave and low level laser therapy on sacroiliac joint pain in postnatal women This study will be randomly distributed into two equal group Group A consisted of 25 postpartum women complaining from sacroiliac joint pain . They will receive shockwave therapy 2 session per week for 6 weeks Group B consisted of 25 postpartum women complaining from sacroiliac joint pain . They will receive low level laser therapy 2 session per week for 6 weeks

Evaluation procedures History taking recording in recording data sheet Weight and height measurement by calculate BMI Disability assessment by OWDI Pain assessment by VAS scale Assessment of pressure of pain threshold by pressure algometry

Inclusion Criteria:

• postnatal women suffering from sacroiliac joint pain for at least 3 months.
• They should have moderate to severe pain .
• They should have positive findings in at least 3 of 5 provocation sacroiliac joint tests

Exclusion Criteria:

• lumber or hip joint pathology
• Acute pelvic bacterial or viral infection .
• Receiving corticosteroid injections within the previous 6 weeks

Postnatal women