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June 1, 2026Journal of Musculoskeletal and Neuronal InteractionsOpen Access

Toe Grasp Strength and Its Association with Muscle Mass and Calcaneal Bone Status in Young Adults: A Cross-Sectional Study

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Authors

TFToshifumi FujiwaraMKMotoki KogaRYRyosuke Yamaguchi

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Overview

Cross-sectional study finds toe grasp strength independently tracks with muscle mass and heel bone status in young men, indicating lower limb strength reflects early-adult musculoskeletal health.

Key Points

  • To assess whether toe grasp strength associates independently with skeletal muscle mass and calcaneal bone status in young adults.
  • Enrolled 150 healthy young adults (118 males, 32 females; median age: 23 years) in a cross-sectional study.
  • Measured toe grasp strength (TGS) with a dynamometer, skeletal muscle mass via bioelectrical impedance analysis (InBody 570), and calcaneal bone status via quantitative ultrasound standardized speed of sound (s-SOS).
  • Evaluated associations between TGS, skeletal muscle index (SMI), and s-SOS using sex-stratified multivariable regression models.
  • Males had significantly higher baseline values for TGS, SMI, and s-SOS compared with females.
  • Multivariable analyses in males showed higher TGS and younger age were independently and positively associated with greater SMI and higher s-SOS.
  • No statistically significant associations between TGS, muscle mass, or bone status were observed in female participants.

Cite This Study

Fujiwara et al. (2026) studied this question.

synapsesocial.com/papers/6ab23f95db2faa68de5f8a4ehttps://doi.org/10.22540/jmni-26-213
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