High Tone Power Therapy Versus Interferential Current Therapy in Mothers With Breastfeeding-Related Neck Pain

female patients will receive high-tone power therapy using a device (HiTop 191 Medizintechnik, Rimbach, Germany) duration 30 minutes at 2 sessions per week for 6 weeks

female patients will receive interferential current therapy using Enraf-Nonius (ENDOMED 484, Germany)The electrode pairs will placed at a distance of at least 2.5 cm from each other. The utilized parameters will have a base frequency of 4,000 Hz, a modulation frequency range of 10 Hz-20 Hz, spectrum mode triangular, and slope 1/1 in a quadripolar manner with a beat frequency of 80 Hz. duration of treatment session 20 minutes 2 sessions per week for 6 weeks

female patients will receive conventional physical therapy modalities in the form of (ultrasound, massage, stretching, and strengthening exercises) 2 sessions per week for 6 weeks