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Kang MH, Oh JS, Yang SH. Effects of spring-loaded crutches on gastrocnemius activity and upward displacement of the body during gait. J Phys Ther Sci. 2016;28(8):2347-9doi: 10.1589/jpts.28.2347.
Kang, M. H., Oh, J. S., & Yang, S. H. (2016). Effects of spring-loaded crutches on gastrocnemius activity and upward displacement of the body during gait. Journal of physical therapy science, 28(8), 2347-9. https://doi.org/10.1589/jpts.28.2347
Kang, Min-Hyeok, et al. "Effects of spring-loaded crutches on gastrocnemius activity and upward displacement of the body during gait." Journal of physical therapy science vol. 28,8 (2016): 2347-9. doi: https://doi.org/10.1589/jpts.28.2347
Kang MH, Oh JS, Yang SH. Effects of spring-loaded crutches on gastrocnemius activity and upward displacement of the body during gait. J Phys Ther Sci. 2016 Aug;28(8):2347-9. doi: 10.1589/jpts.28.2347. Epub 2016 Aug 31. PMID: 27630429; PMCID: PMC5011593.
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J Phys Ther Sci. 2016 Aug;28(8):2347-9. doi: 10.1589/jpts.28.2347. Epub 2016 Aug 31.

Effects of spring-loaded crutches on gastrocnemius activity and upward displacement of the body during gait.

Journal of physical therapy science

Min-Hyeok Kang, Jae-Seop Oh, Sung-Ho Yang

Affiliations

  1. Department of Physical Therapy, Graduate School, Inje University, Republic of Korea.
  2. Department of Physical Therapy, College of Biomedical Science and Engineering, Inje University, Republic of Korea.
  3. College of Design, Inje University, Republic of Korea.

PMID: 27630429 PMCID: PMC5011593 DOI: 10.1589/jpts.28.2347

Abstract

[Purpose] This study investigated the effects of spring-loaded crutches on gastrocnemius muscle activity and upper body displacement in the sagittal plane during gait. [Subjects and Methods] The study involved 12 healthy males. All subjects performed crutch gait by using spring-loaded crutches and axillary crutches. During this gait, the gastrocnemius muscle activity was measured using a wireless electromyography system, and upward displacement of the body was measured using a three-dimensional motion analysis system. [Results] The gastrocnemius activity was significantly lower but upward displacement of the body was significantly greater with the spring-loaded crutches than with axillary crutches. [Conclusion] Spring-loaded crutches allow efficient crutch gait and involve less effort from the gastrocnemius muscle.

Keywords: Electromyography; Gastrocnemius; Spring-loaded crutch

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