Objectives: Flexibility and strength are compromised in pronated feet, which could in turn lead to alteration of the dynamic balance and muscle activity in the lower extremities. This study aimed to analyze the effects of selective tibialis posterior strengthening and iliopsoas stretching on navicular drop, dynamic balance, and lower limb muscle activity in young adults with pronated feet. Methods: Twenty-eight participants with pronated feet were randomly assigned to either the stretching and strengthening group (n = 14) or the conventional exercise group (n = 14). The stretching and strengthening group performed tibialis posterior strengthening exercises and iliopsoas stretching three times a week for 6 weeks in addition to the conventional towel curl exercises. The conventional exercise group performed towel curl exercises only. Navicular drop, dynamic balance, and lower limb muscle activity were assessed at baseline and post-intervention. A mixed model analysis of variance was performed to test the study hypothesis. Results: Significant group effects for the activity of tibialis anterior (p = 0.003) and abductor hallucis muscle (p = 0.010), as well as for the posterolateral (p = 0.036) and composite reach scores (p = 0.018), were detected. Significant group × time interactions were observed for naviculardrop (p < 0.001), all dynamic balance components (p < 0.001), and the activity of tibialis anterior (p < 0.001) and abductor hallucis (p < 0.001). Conclusions: This study demonstrated that inclusion of selective tibialis posterior strengthening and iliopsoas stretching in addition to the conventional towel curl exercise program could improve important clinical outcomes, such as navicular drop, muscle activity, and dynamic balance in flatfeet.

#	Concept	H-Index	Publications	Citations
1	Health Sciences	1	1	28
2	Medicine	1	1	28
3	Diabetes	1	1	28
4	Kinesiology	1	1	28
5	Rehabilitation	1	1	28

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