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Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults
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Effect of slipper wearing and carrying positions of infant on dynamic stability and kinetic variable during level

Che-Cheong Ryew1, Seung-Hyun Hyun1

  • 1Department of Kinesiology, College of Natural Science, Jeju National University, Jeju, Korea.

Journal of Exercise Rehabilitation
|October 3, 2018
PubMed

Insights

Carrying an infant changes women's gait dynamics, especially when carrying them on their back versus front. Footwear choice did not significantly impact this dynamic stability during infant carrying.

Area of Science:

  • Biomechanics
  • Human movement analysis
  • Kinesiology

Background:

  • Various hip seats exist for infant carrying, but footwear may affect gait.
  • Understanding the impact of infant carrying positions and footwear on maternal gait is crucial.

Purpose of the Study:

  • To investigate dynamic stability and kinetic variables in women carrying infants.
  • To analyze the effects of infant carrying position (front vs. back) and footwear (slipper vs. bare foot) on gait.

Main Methods:

  • Ten adult females and ten infants participated.
  • 3D cinematography and ground reaction force (GRF) analysis were used.
  • Key variables included extrapolated center of mass, center of pressure, GRF, and leg stiffness.

Main Results:

  • No significant difference in dynamic stability was found based on infant position or slipper use.
  • Carrying an infant significantly altered gait, affecting breaking force, leg stiffness, and loading rate (P<0.001).
  • Back-carrying increased breaking force and vertical impulse compared to front-carrying, suggesting altered impulse transfer strategies.

Conclusions:

  • Women adapt gait strategies to maintain dynamic stability when carrying infants, particularly when back-carrying.
  • Understanding these gait modifications is vital for exercise rehabilitation professionals working with women with musculoskeletal conditions.

Keywords:
Carrying positionDynamic stabilityExercise rehabilitationLeg stiffnessSlipperWalking

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