Inclusion criteria:  -Participants who arrived at the clinic presenting with pain in both heels and who were diagnosed with active or latent MTrP in bilateral flexor digitorum brevis, (2) these specific MTrPs were the only MTrPs diagnosed in limb or foot, (3) all participants had a normal body mass because obesity can affect plantar pressure distribution [28], and (4) and had an age range of 27.96 to 36.04 (95% confidence interval [CI]) because body mass could also affect plantar pressures.  Exclusion Criteria:  (1) Diagnosis of lower limb injury, such as plantar fasciitis, tendinopathy, bursitis, ligament injuries [27], (2) a history of previous lower extremity surgery [28], (3) participants were required not to have undergone ankle stretching or any other treatment [23], (4) diabetes due to possible elevation of plantar pressure, [30], (5) deformities of the toes, such as hammer toes and hallux valgus due to their possible alteration in plantar pressure.