Related Experiment Video
Updated: Jan 30, 2026
07:44
Evaluation of Patients' Posture and Gait Profile After Lumbar Fusion Surgery by Video Rasterstereography and Treadmill Gait Analysis
Published on: March 23, 2019
18.9K
The Treadport: Natural Gait on a Treadmill
Sam Chesebrough1, Babak Hejrati2, John Hollerbach1
1University of Utah, Salt Lake City, USA.
Human Factors
|January 18, 2019
Summary
The Treadport robotic interface closely mimics natural walking, showing no significant differences in most gait parameters compared to overground walking. This suggests its potential for rehabilitation applications.
Area of Science:
- Biomechanics
- Robotics
- Human locomotion
Background:
- Previous research compared treadmill and overground walking.
- The Treadport offers unique features like self-selected speed, force feedback, and VR for a natural experience.
Purpose of the Study:
- To evaluate gait differences between the Treadport and overground walking in healthy subjects.
- To assess the Treadport's potential for naturalistic walking experiences.
Main Methods:
- 17 healthy subjects walked 10 meters in both overground and Treadport environments.
- Spatiotemporal and kinematic gait parameters were compared.
- Electromyographic data was collected for muscle activity analysis in 5 subjects.
Main Results:
- No significant differences (p > .05) were found in hip/knee angles, cadence, stride length/speed, or muscle activation.
- A significant difference (p < .05) was observed in ankle dorsiflexion, which was reduced on the Treadport.
Conclusions:
- Walking on the Treadport is highly correlated with overground walking, with no significant differences in 13 of 14 parameters.
- The Treadport facilitates a natural walking experience, preserving user gait.
- The interface shows promise for gait rehabilitation applications.
Related Concept Videos
01:18Actin Treadmilling
9.7K
Actin filaments undergo polymerization and depolymerization from either end. The polymerization and depolymerization rates depend on the cytosolic concentration of free G-actins. The polymerization rate is generally higher at the plus or barbed end, while the depolymerization rate is higher at the minus or pointed end. At a steady state, critical concentration describes the concentration of free G-actin monomers at which the polymerization rate at the plus end is equal to that of the...
9.7K
01:32What is Natural Selection?
128.9K
Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
128.9K
01:10Nature and Nurture
22.3K
Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience,...
22.3K
02:30Chirality in Nature
17.2K
Chirality is the most intriguing yet essential facet of nature, governing life’s biochemical processes and precision. It can be observed from a snail shell pattern in a macroscopic world to an amino acid, the minutest building block of life. Most of the snails around the world have right-coiled shells because of the intrinsic chirality in their genes. All the amino acids present in the human body exist in an enantiomerically pure state, except for glycine - the sole achiral amino acid.
17.2K
02:12The Wave Nature of Light
61.3K
The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
61.3K
01:38Limits to Natural Selection
34.9K
Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.
34.9K