Trial reportEuropean journal of applied physiology2015
Influence of short-term unweighing and reloading on running kinetics and muscle activity.
Trial report in European journal of applied physiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
15 citing papers in PubMed, 1 synthesis or guideline pooled it, 34 citations in OpenAlex.
- Physiological and Biomechanical Responses to Running on Lower Body Positive Pressure Treadmills in Healthy Populations.Sports medicine (Auckland, N.Z.) · 2017Pooled it
- Biomechanical Changes During Running on a Lower Body Positive Pressure Treadmill in Competitive Runners.Scandinavian journal of medicine & science in sports · 2025Trial
- Kinetics and Muscle Activity Patterns during Unweighting and Reloading Transition Phases in Running.PloS one · 2016Trial
- Force and Gait Mechanics at Reduced Body Weight on a Lower Body Positive Pressure Treadmill.International journal of exercise science · 2025Article
- Muscle synergies inherent in simulated hypogravity running reveal flexible but not unconstrained locomotor control.Scientific reports · 2024Article
- Neuromuscular adjustments to unweighted running: the increase in hamstring activity is sensitive to trait anxiety.Frontiers in physiology · 2023Article
- How about running on Mars? Influence of sensorimotor coherence on running and spatial perception in simulated reduced gravity.Frontiers in physiology · 2023Article
- Partial Unweighting in Obese Persons Enhances Tactile Transmission From the Periphery to Cortical Areas: Impact on Postural Adjustments.Frontiers in human neuroscience · 2022Article
- Role of Antigravity Training in Rehabilitation and Return to Sport After Running Injuries.Arthroscopy, sports medicine, and rehabilitation · 2022Article
- Effect of Uphill Running on VOSports (Basel, Switzerland) · 2021Article
- Training on a Lower Body Positive Pressure Treadmill with Body Weight Support does not Improve Aerobic Capacity.International journal of exercise science · 2021Article
- Mechanical Determinants of the U-Shaped Speed-Energy Cost of Running Relationship.Frontiers in physiology · 2018Article
- Physiological and Biomechanical Responses of Highly Trained Distance Runners to Lower-Body Positive Pressure Treadmill Running.Sports medicine - open · 2017Article
- Plantar Sole Unweighting Alters the Sensory Transmission to the Cortical Areas.Frontiers in human neuroscience · 2017Article
- Walking in Hypoxia: An Efficient Treatment to Lessen Mechanical Constraints and Improve Health in Obese Individuals?Frontiers in physiology · 2017Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeIn running, body weight reduction is reported to result in decreased lower limb muscle activity with no change in the global activation pattern (Liebenberg et al. in J Sports Sci 29:207-214). Our study examined the acute effects on running mechanics and lower limb muscle activity of short-term unweighing and reloading conditions while running on a treadmill with a lower body positive pressure (LBPP) device.
methodEleven healthy males performed two randomized running series of 9 min at preferred speed. Each series included three successive running conditions of 3 min [at 100 % body weight (BW), 60 or 80 % BW, and 100 % BW]. Vertical ground reaction force and center of mass accelerations were analyzed together with surface EMG activity recorded from six major muscles of the left lower limb for the first and last 30 s of each running condition. Effort sensation and mean heart rate were also recorded.
resultIn both running series, the unloaded running pattern was characterized by a lower step frequency (due to increased flight time with no change in contact time), lower impact and active force peaks, and also by reduced loading rate and push-off impulse. Amplitude of muscle activity overall decreased, but pre-contact and braking phase extensor muscle activity did not change, whereas it was reduced during the subsequent push-off phase.
conclusionThe combined neuro-mechanical changes suggest that LBPP technology provides runners with an efficient support during the stride. The after-effects recorded after reloading highlight the fact that 3 min of unweighing may be sufficient for updating the running pattern.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.