Effects of Basic Body Awareness Therapy on Spatiotemporal Gait Characteristics and Plantar Pressure Distribution in Healthy Young Adults

Gait is a functional task requiring integrated postural control, sensorimotor processing, muscle coordination, and adaptation to the environment. Gait speed and related spatiotemporal parameters are sensitive indicators of functional status and movement capacity. Body awareness refers to the conscious perception and regulation of posture, movement quality, proprioceptive input, and interoceptive sensations. Basic Body Awareness Therapy is a physiotherapy-based mind-body approach that focuses on posture, balance, coordination, breathing, weight transfer, trunk control, and movement quality.

This study is designed as a single-group, quasi-experimental interventional study with repeated assessments. After completion of the informed consent process, demographic and health-related data will be collected. Gait and static stance measurements will be performed using Noraxon Ultium instrumented insoles. For static stance, participants will stand comfortably on both feet for one minute while plantar load distribution and right-left weight sharing are recorded. Participants will then complete the 10-meter walk test at maximum walking speed. Plantar loading data, including pressure distribution, step length, step time, stance and swing phases, and regional plantar pressure variables, will be processed using MyoResearch 3.16 software. The gait cycle will be normalized to 100%, divided into stance and swing phases, and plantar regions will be analyzed as heel, arch/midfoot, metatarsal, and toe segments.

The BBAT intervention will be delivered for 12 weeks, twice per week, with each session lasting approximately 45 to 60 minutes. Sessions will be supervised by a physiotherapist who has completed BBAT Level C training. The program will consist of low-intensity exercises focusing on awareness of contact with the floor, postural alignment, breathing and movement integration, weight transfer, trunk control, balance, and fluent movement quality. Therapy adherence will be monitored using attendance records, and adherence will be defined as participation in at least 80% of planned sessions. Measurements will be repeated after the 12-week intervention and 3 months after intervention completion to assess short-term effects and early maintenance of behavioral change.

The sample size was determined using G*Power 3.1 software. Considering the single-group design with three repeated measurements (pre-test, post-test at week 12, and 3-month follow-up), the parameters were set as a medium effect size of f = 0.25, an alpha error probability of 0.05, a power (1-β) of 0.80, a correlation among repeated measures of 0.50, and a non-sphericity correction ε = 1.00. Based on these parameters, the required sample size was calculated as 28 participants. Considering a possible dropout/follow-up loss rate of approximately 15%, the target sample size was determined as 33 participants.