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Related Experiment Video

Updated: Jun 17, 2026

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb

Published on: August 30, 2016

Obstacle stepping and body scale modulating parameters.

Lilian Teresa Bucken Gobbi¹, Rodrigo Pereira Candido, Marcos Rodrigo Trindade Pinheiro Menuchi

¹Posture and Gait Studies Laboratory, Department of Physical Education-Bioscience Institute UNESP-São Paulo State University at Rio Claro, Brazil. ltbgobbi@rc.unesp.br

Perceptual and Motor Skills

|December 30, 2009

Summary

This summary is machine-generated.

This study examined how obstacle height and departure point affect obstacle crossing. Results show body scale influences locomotor behavior, impacting step length and foot placement during obstacle avoidance.

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Last Updated: Jun 17, 2026

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb

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Area of Science:

Biomechanics
Human Locomotion

Background:

Understanding obstacle negotiation is crucial for preventing falls.
Gait adjustments are influenced by environmental and individual factors.

Purpose of the Study:

To investigate how gait spatial parameters at the point of departure are affected by obstacle heights scaled to individual body dimensions.
To analyze locomotor behavior during obstacle avoidance tasks.

Main Methods:

Participants performed obstacle crossing tasks with varying obstacle heights (knee-height, half knee-height) and departure points (far, close).
Kinematic data was extracted from video recordings to analyze gait parameters.
Obstacle heights and departure points were adjusted based on individual body scale.

Main Results:

A close point of departure significantly influenced trailing foot placement and step length.
High obstacles affected the trailing foot's toe clearance.
An interaction between departure point and obstacle height was observed for leading foot toe clearance.

Conclusions:

Individual body scale plays a significant role in modulating locomotor strategies during obstacle avoidance.
Gait adjustments are specific to the interplay between obstacle characteristics and the approach strategy.