Relationships of ultrasound measures of intrinsic foot muscle cross-sectional area and muscle volume with maximum toe flexor muscle strength and physical performance in young adults

Takashi Abe*, Kota Tayashiki, Miyuki Nakatani, Hironori Watanabe

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

To investigate the relationships between toe flexor muscle strength with (TFS-5-toes. and without (TFS-4-toes. the contribution of the great toe, anatomical and physiological muscle cross-sectional areas (CSA. of intrinsic toe flexor muscle and physical performance were measured. [Subjects] Seventeen men (82% sports-active. and 17 women (47% sports-active), aged 20 to 35 years, volunteered. [Methods] Anatomical CSA was measured in two intrinsic toe flexor muscles (flexor digitorum brevis [FDB] and abductor hallucis. by ultrasound. Muscle volume and muscle length of the FDB were also estimated, and physiological CSA was calculated. [Results] Both TFS-5-toes and TFS-4-toes correlated positively with walking speed in men (r=0.584 and r=0.553, respectively. and women (r=0.748 and r=0.533, respectively). Physiological CSA of the FDB was significantly correlated with TFS-5-toes (r=0.748. and TFS-4-toes (r=0.573. in women. In men, physiological CSA of the FDB correlated positively with TFS-4-toes (r=0.536), but not with TFS-5-toes (r=0.333). [Conclusion] Our results indicate that physiological CSA of the FDB is moderately associated with TFS-4-toes while toe flexor strength correlates with walking performance.

Original languageEnglish
Pages (from-to)14-19
Number of pages6
JournalJournal of Physical Therapy Science
Volume28
Issue number1
DOIs
Publication statusPublished - 2016 Jan 30
Externally publishedYes

Keywords

  • Physiological CSA
  • Toe grasping
  • Walking speed

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation

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