Gait is the pattern of movement produced by the successive relocation of the body as it moves from one point to another. This complex process is influenced by various factors that ensure effective, stable, and adaptive locomotion. Understanding the determinants of gait can reveal important insights into human movement. There are six key determinants of gait: the vertical displacement of the center of mass, the lateral displacement of the center of mass, the length of the stride, the width of the base of support, the rotation of the pelvis, and the knee flexion during stance (Roberts et al., 2017). Each determinant serves a specific purpose, contributing significantly to the overall efficiency of walking.
Firstly, the vertical displacement of the center of mass plays a critical role in gait efficiency. During walking, a person’s center of mass moves up and down with each step. While some vertical movement is essential for clearance of the foot and to maintain balance, excessive vertical displacement can waste energy. Optimal vertical motion allows backward and forward momentum while minimizing energy expenditure (Lin et al., 2014). Studies indicate that smoother vertical shifts contribute to overall gait stability and less fatigue (Fukuchi et al., 2019).
In addition, lateral displacement affects the center of mass during locomotion. When walking, the body sways side to side, which helps balance and control. A small lateral shift helps maintain balance without requiring excessive muscular effort. Research shows that a moderate lateral displacement supports efficient gait as it reduces drag and enhances forward motion (Hamacher et al., 2019). This finding is particularly important for older adults, who may struggle with balance and stability during walking (Reimann et al., 2020).
Another significant determinant of gait is the length of the stride. Stride length refers to the distance covered in one complete stride, which consists of both the swing and stance phases. Longer strides can boost walking speed, but they may also increase the risk of instability and falls, particularly in aging populations (Chung et al., 2022). A balance must be struck between stride length and speed to maintain efficiency. Research highlights that shorter, controlled strides often lead to safer walking in older adults (Aboutorabi et al., 2016), demonstrating the importance of stride length in adaptive locomotion.
The width of the base of support is also crucial in gait. This term refers to the distance between the feet during walking. A broader base of support can enhance stability, particularly when navigating uneven surfaces (Brandão et al., 2017). Individuals with a reduced base width may experience increased risk for falls, suggesting that physical training should promote an optimal base width to support balance (Patikas, 2015). Thus, adjusting the width of the stance can play an essential role in gait by favoring stability, especially during changes in walking environment.
The fifth determinant, pelvic rotation, plays a vital role in gait dynamics. During a normal walking pattern, the pelvis undergoes slight rotations that contribute to effective movement. This rotation helps reduce the amount of energy required and enhances stride length (Martins, 2021). Failure to achieve adequate rotation can result in inefficient gait mechanics, highlighting the necessity of pelvic mobility for overall stability and adaptability in walking patterns.
Finally, knee flexion during the stance phase is another key determinant. Greater knee flexion allows for better shock absorption upon ground contact, which is vital for comfort and injury prevention (Lin et al., 2014). Limited knee flexion can lead to more rigid movements and increased stress on joints, potentially resulting in pain or gait abnormalities. This determinant underscores the physiological importance of proper knee function during locomotion.
Understanding the six key determinants of gait provides critical insights into the underlying mechanisms of human movement. Each determinant, from vertical and lateral displacement to stride length, base width, pelvis rotation, and knee flexion, contributes holistically to efficient, stable, and adaptive locomotion. Incorporating knowledge of these determinants into rehabilitation practices and physical training can improve walking mechanics, particularly in vulnerable populations such as the elderly (Hamacher et al., 2019; Reimann et al., 2020). Addressing these factors can help mitigate the risk of falls and enhance the quality of life for individuals as they navigate their environments. Overall, gait analysis that considers all determinants not only supports better mobility but also ensures a safer and more fulfilling experience in daily activities.
Citations:
Roberts, M., Mongeon, D. and Prince, F., 2017. Biomechanical parameters for gait analysis: a systematic review of healthy human gait. Phys. Ther. Rehabil, 4(6), pp.10-7243. https://www.researchgate.net/profile/Francois-Prince/publication/319148326_Biomechanical_parameters_for_gait_analysis_a_systematic_review_of_healthy_human_gait/links/59cad1a40f7e9bbfdc36b512/Biomechanical-parameters-for-gait-analysis-a-systematic-review-of-healthy-human-gait.pdf
Fukuchi, C.A., Fukuchi, R.K. and Duarte, M., 2019. Effects of walking speed on gait biomechanics in healthy participants: a systematic review and meta-analysis. Systematic reviews, 8(1), p.153. https://link.springer.com/article/10.1186/s13643-019-1063-z
Hamacher, D., Liebl, D., Hödl, C., Heßler, V., Kniewasser, C.K., Thönnessen, T. and Zech, A., 2019. Gait stability and its influencing factors in older adults. Frontiers in physiology, 9, p.1955. https://www.frontiersin.org/articles/10.3389/fphys.2018.01955/full
Reimann, H., Ramadan, R., Fettrow, T., Hafer, J.F., Geyer, H. and Jeka, J.J., 2020. Interactions between different age-related factors affecting balance control in walking. Frontiers in Sports and Active Living, 2, p.94. https://www.frontiersin.org/journals/sports-and-active-living/articles/10.3389/fspor.2020.00094/full
Chung, C.M., Shin, S., Lee, Y. and Lee, D.Y., 2022. Determination of the Predictors with the Greatest Influence on Walking in the Elderly. Medicina, 58(11), p.1640. https://www.mdpi.com/1648-9144/58/11/1640
Lin, Y.C., Gfoehler, M. and Pandy, M.G., 2014. Quantitative evaluation of the major determinants of human gait. Journal of biomechanics, 47(6), pp.1324-1331. https://www.sciencedirect.com/science/article/pii/S0021929014000888
Patikas, D., 2015. Gait and balance. In Comorbid conditions in individuals with intellectual disabilities (pp. 317-349). Cham: Springer International Publishing. https://link.springer.com/chapter/10.1007/978-3-319-15437-4_11
Brandão, L.H.A., da Silva Chaves, L.M., Aragão-Santos, J.C., Nogueira, A.C., Santos, M.S., Heredia, J.R., Peña, G., de Resende Neto, A.G. and Da Silva-Grigoletto, M.E., 2017. Analysis of two different types of circuit training in the determinants of gait ability in elderly women. Motricidade, 13, pp.127-136. https://www.researchgate.net/profile/Leandro-Albuquerque-Brandao/publication/325323299_Analysis_of_two_different_types_of_circuit_training_in_the_determinants_of_gait_ability_in_elderly_women/links/5b05a8610f7e9b1ed7e8252b/Analysis-of-two-different-types-of-circuit-training-in-the-determinants-of-gait-ability-in-elderly-women.pdf
Aboutorabi, A., Arazpour, M., Bahramizadeh, M., Hutchins, S.W. and Fadayevatan, R., 2016. The effect of aging on gait parameters in able-bodied older subjects: a literature review. Aging clinical and experimental research, 28(3), pp.393-405. https://link.springer.com/article/10.1007/s40520-015-0420-6
Martins, V.F., 2021. Functional and coordination determinants of gait in older adults. https://lume.ufrgs.br/handle/10183/258346
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