Foot Posture, Muscle Strength, Range of Motion, and Plantar Sensation in Overweight and Obese

in Journal of Applied Biomechanics
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  • 1 Lokman Hekim University
  • 2 Zonguldak Bülent Ecevit University
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The purpose of the study was to investigate the foot posture, ankle muscle strength, range of motion (ROM), and plantar sensation differences among normal weight, overweight, and obese individuals. One hundred and twenty-three individuals (42 normal weight, 40 overweight, and 41 obese) aged between 18 and 50 years participated in the study. Foot posture, ankle muscle strength, ROM, plantar sensation, and foot-related disabilities were evaluated. The relative muscle strength of left plantar flexors and invertors and light touch sensation of the left heel were significantly lower in obese individuals compared with overweight and normal weight (P < .016) individuals. Obese individuals had significantly reduced relative muscle strength of plantar flexors, dorsiflexor, and invertors, plantar flexion and inversion ROM in the left foot; and light touch sensation of the right heel compared with normal weight (P < .016) individuals. Foot Posture Index scores were significantly higher in obese individuals compared with overweight (P < .016) individuals. There were no significant differences in absolute muscle strength, vibration sensation, and foot-related disability scores among the 3 groups (P > .05). Obesity was found to have adverse effects on ankle muscle strength, ROM, and plantar light touch sensation. Vibration sensation was not affected by body mass index, and foot-related disability was not observed in obese adults.

Unver is with the Department of Physiotherapy and Rehabilitation, Faculty of Health Science, Lokman Hekim University, Ankara, Turkey. Selici, Akbas, and Erdem are with the Department of Physiotherapy and Rehabilitation, Faculty of Health Science, Zonguldak Bülent Ecevit University, Zonguldak, Turkey.

Unver (banuukarahan@yahoo.com) is corresponding author.
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