In the study, the effects of two different strengthening exercises combined with short foot exercise on lower extremity functional performance and muscle strength will be examined and compared in adults aged 18-45 years with flexible flatfoot. This study was designed as an experimental, 3-arm, parallel group, double-blind randomized controlled study that included a 6-week intervention period.
Participants will be randomly divided into 3 different groups (control group, foot-ankle exercise group, hip exercise group). The control group will be instructed to perform only short foot exercise; the foot-ankle exercise group will be instructed to perform 3-dimensional foot-ankle extension exercise in proprioceptive neuromuscular facilitation (PNF) pattern in addition to short foot exercise; the hip exercise group will be instructed to perform hip abductor and external rotator muscle strengthening exercise (clam exercise) in addition to short foot exercise. Foot-ankle and hip exercises will be performed against resistance with the help of an elastic band, 3 days a week under the supervision of a physiotherapist and progression will be made by changing to a higher level of difficulty band color every 2 weeks. Short foot exercise will be performed every day of the week (3 days under the supervision of a physiotherapist; the rest of the days as a home exercise program) and will be progressed by changing position (sitting, standing, on one leg respectively) every 2 weeks. All exercises will be performed for 6 weeks. Assessments will be performed at the beginning and end of the exercises by another researcher blinded to group allocation. Isometric muscle strength of the intrinsic foot, four-way ankle circumference and hip abductor-external rotator muscles, endurance of the plantar flexors, forward jump and dynamic balance performance will be evaluated respectively.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
60
Ankle and foot exercises practiced for 6 weeks.
Hip exercise practiced for 6 weeks.
Foot exercise practiced together for 6 weeks.
Gazi University, Institute of Health Sciences, Department of Physiotherapy and Rehabilitation
Ankara, Çankaya, Turkey (Türkiye)
Medial longitudinal arch height
Medial longitudinal arch height will be evaluated with the navicular drop test.
Time frame: 6 weeks
Static foot posture
Static foot posture will be evaluated with Foot Posture Index-6.
Time frame: 6 weeks
Isometric muscle strength
Abductor hallucis, flexor digitorum brevis, flexor hallucis brevis, 4-way ankle muscles and hip abductor/external rotator isometric muscle strength will be evaluated using a digital hand-held dynamometer.
Time frame: 6 weeks
Lower extremity functional performance
With plantar flexor focused endurance performance heel raise test; with dynamic balance Y balance test; Single leg forward jump performance will be evaluated with the single leg hop for distance test.
Time frame: 6 weeks
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