The study will be a quasi-experimental study with a pre-post study design. 37 children with bilateral flexible flatfeet of age 6-11 years will be recruited by non-probability convenience sampling with pre and post assessment. The navicular height, foot posture, balance and functional performance of lower limb will be assessed through Navicular Drop Test, Foot Posture Index-6, Pediatric Berg Balance Scale and Single Leg Hop Test respectively. All recruited children will receive intervention for 30 minutes a day for 3 days a week for total 6 weeks. The exercise program will include warm up phase, walk on mud and cool down phase. Data will be analyzed through SPSS version 27.0.
Flatfeet is one of the predominant conditions of feet in children and is characterized by absence of medial longitudinal arch. Flatfeet affect the foot posture by altering the entire biomechanics of musculoskeletal system of lower limb. It ultimately affects the balance and functional mobility in children and may have poor quality of life in adulthood. The strength training programs and uneven surfaces have been used previously for its intervention. The mud-walk provides natural resistance along with sensory feedback due to its soft, variable surface. The aim of this study is to determine effects of mud-walk on foot posture, balance and functional performance of lower limb in children with flexible flatfeet. The study will be a quasi-experimental study with a pre-post study design. 37 children with bilateral flexible flatfeet of age 6-11 years will be recruited by non-probability convenience sampling with pre and post assessment from Presentation Convent High School and The Sanai School Sargodha. All children will be assessed for inclusion and exclusion. The navicular height, foot posture, balance and functional performance of lower limb will be assessed through Navicular Drop Test, Foot Posture Index-6, Pediatric Berg Balance Scale and Single Leg Hop Test respectively. All recruited children will receive intervention for 30 minutes a day for 3 days a week for total 6 weeks. The exercise program will include warm up phase, walk on mud and cool down phase. Data will be analyzed through SPSS version 27.0.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
37
* The participants will walk on the mud within a rectangular boundary of "2 × 8 dimension" (2 feet by 8 feet) with 5 cm depth. * The exercise program will have 3 phases: warm up, walk on mud and cool down. * The warm up phase will consist of stretching of the hamstring muscles using the static technique. The main exercise phase will consist of 20 minutes of walk on mud in four manners with each manner for 5 minutes: 1. forward walk 2. back ward walk 3. sideways walk 4. S-shaped or figure-eight walk After 3 weeks, while walking in each manner the participants will pick up small objects (soft balls) with toes from mud and place them elsewhere. The cool down phase will consist of 5 minutes and will include * soaking feet in water * washing with soap * rinsing with clean water, * drying with towel * application of emollient
Imran Amjad
Lahore, Punjab Province, Pakistan
RECRUITINGFoot Posture Index-6 (FPI-6)
FPI-6 is a clinical tool for quantifying foot positioning that uses established criteria. The FPI consists of the following six items, each graded on a scale of -2 to +2 referring to the position of the forefoot, midfoot and hindfoot, and the three planes of motion: 1. talar head palpation; 2. symmetry of supra and infra lateral malleolar curvature; 3. inversion/eversion of the calcaneus; 4. prominence in the region of the talus-navicular joint; 5. height of the medial longitudinal arch; 6. abduction/adduction of the forefoot. The FPI thus obtained ranges from -12 (highly supinated) to +12 (highly pronated). It can be * highly pronated (+10 to +12) * pronated (+6 to +9) * normal (0 to +5) * supinated (-1 to -4) * highly supinated (-5 to -12). FPI-6 demonstrates a perfect weighted kappa value (Kw = 0.86), with a high intra-rater reliability (ICC = 0.96)
Time frame: Baseline and 6th week
Navicular Drop Test (NDT)
Navicular Drop Test is used to evaluate the amount of foot pronation. It is considered as a reliable and valid tool to measure static navicular height. The navicular height is measured while the child is sitting with barefoot flat on a platform with 90◦ knee flexion and the subtalar joint in neutral position. The Navicular drop is recorded as the difference in navicular height between subtalar joint neutral position and relaxed standing. Navicular drop more than 9 mm represented a pronated foot type, 5-9 mm a neutral foot and less than 5 mm a supinated foot. This test's intra-rater and inter-rater reliability has been demonstrated to range from 0.73 to 0.96 .
Time frame: Baseline and 6th week
Pediatric Berg Balance Scale (PBBS)
A 14-item criterion-referenced measure that examines functional balance in the context of everyday tasks in the pediatric population. Each item level scores range from 0-4 which is determined by the ability to perform the assessed activity. Maximum score = 56 points with 56 points being a perfect score. Test-retest (ICC2,1 = 0.923), interrater (ICC2,1 = 0.972), and intra-rater (ICC2,1 = 0.895-0.998) are reliabilities of PBS. It has high internal consistency (Cronbach α = 0.94) .
Time frame: Baseline and 6th week
Single Leg Hop Test
Single leg hop test assesses functional performance of lower limb. The test method involves performing a forward jump, covering the maximum possible distance with one foot, landing on the same foot, and finally maintaining balance for at least 2 seconds. After performing 2 or 3 attempts, the individual executes a complete single-leg hop with the dominant leg, and the distance covered is recorded. An intra-class correlation coefficient (ICC) of over 0.85 has been reported for the reliability of this test in various studies.
Time frame: Baseline and 6th week
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