ArticleJournal of neuroengineering and rehabilitation2014
The effect of arm weight support on upper limb muscle synergies during reaching movements.
Article in Journal of neuroengineering and rehabilitation, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07121075 (The Effects of a Dynamic Arm Support in Daily Life. A Mixed Methods Study Including the Different Components of the ICF), which is not on this map. Cited by 56 papers, 1 of them a synthesis that pooled it.
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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.
The Effects of a Dynamic Arm Support in Daily Life. A Mixed Methods Study Including the Different Components of the ICF
Who cites it
56 citing papers in PubMed, 1 synthesis or guideline pooled it, 153 citations in OpenAlex.
- Assessing Transparency of Robots, Exoskeletons, and Assistive Devices: A Systematic Review.Sensors (Basel, Switzerland) · 2025Pooled it
- Effects of robot therapy on upper body kinematics and arm function in persons post stroke: a pilot randomized controlled trial.Journal of neuroengineering and rehabilitation · 2020Trial
- Post-Stroke Abnormal Synergies Are a Resultant Behavior of the Interplay of Weakness, Spasticity, and Environmental Demands.Neurorehabilitation and neural repair · 2026Review
- Age-dependent synergistic control of sit-to-stand motion.European journal of applied physiology · 2026Article
- Muscle coordination strategies during Functional Reach across multiple directions in healthy individuals.European journal of applied physiology · 2026Article
- Rectus Femoris and Gastrocnemius EMG Driven Cheonjiin Speller for Korean Text Input.Sensors (Basel, Switzerland) · 2025Article
- Alterations in muscular control when performing unfamiliar elbow flexion and extension movements.European journal of applied physiology · 2025Article
- Reducing Upper-Limb Muscle Effort with Model-Based Gravity Compensation During Robot-Assisted Movement.Sensors (Basel, Switzerland) · 2025Article
- Investigating the impact of external load on muscle synergies during bipedal squats.European journal of applied physiology · 2024Article
- A Study of Racket Weight Adaptation in Advanced and Beginner Badminton Players.Applied bionics and biomechanics · 2024Article
- Evaluation of a passive wearable arm ExoNET.Frontiers in robotics and AI · 2024Article
- Anthropomorphic motion planning for multi-degree-of-freedom arms.Frontiers in bioengineering and biotechnology · 2024Review
- Gender differences in the use of an upper-extremity exoskeleton during physically and cognitively demanding tasks- a study protocol for a randomized experimental trial.Frontiers in neurology · 2024Article
- The efficacy of different torque profiles for weight compensation of the hand.Wearable technologies · 2024Article
- Action Observation Treatment for Upper Limb Rehabilitation in Patients With Stroke: Protocol for a Multicenter Randomized Controlled Trial.JMIR research protocols · 2023Article
- Generalizability of muscle synergies in isometric force generation versus point-to-point reaching in the human upper extremity workspace.Frontiers in human neuroscience · 2023Article
- Muscle synergies in joystick manipulation.Frontiers in physiology · 2023Article
- Article
- Development of a single device to quantify motor impairments of the elbow: proof of concept.Journal of neuroengineering and rehabilitation · 2022Article
- Towards functional robotic training: motor learning of dynamic tasks is enhanced by haptic rendering but hampered by arm weight support.Journal of neuroengineering and rehabilitation · 2022Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 3 countries.
Funding
Abstract
backgroundCompensating for the effect of gravity by providing arm-weight support (WS) is a technique often utilized in the rehabilitation of patients with neurological conditions such as stroke to facilitate the performance of arm movements during therapy. Although it has been shown that, in healthy subjects as well as in stroke survivors, the use of arm WS during the performance of reaching movements leads to a general reduction, as expected, in the level of activation of upper limb muscles, the effects of different levels of WS on the characteristics of the kinematics of motion and of the activity of upper limb muscles have not been thoroughly investigated before.
methodsIn this study, we systematically assessed the characteristics of the kinematics of motion and of the activity of 14 upper limb muscles in a group of 9 healthy subjects who performed 3-D arm reaching movements while provided with different levels of arm WS. We studied the hand trajectory and the trunk, shoulder, and elbow joint angular displacement trajectories for different levels of arm WS. Besides, we analyzed the amplitude of the surface electromyographic (EMG) data collected from upper limb muscles and investigated patterns of coordination via the analysis of muscle synergies.
resultsThe characteristics of the kinematics of motion varied across WS conditions but did not show distinct trends with the level of arm WS. The level of activation of upper limb muscles generally decreased, as expected, with the increase in arm WS. The same eight muscle synergies were identified in all WS conditions. Their level of activation depended on the provided level of arm WS.
conclusionsThe analysis of muscle synergies allowed us to identify a modular organization underlying the generation of arm reaching movements that appears to be invariant to the level of arm WS. The results of this study provide a normative dataset for the assessment of the effects of the level of arm WS on muscle synergies in stroke survivors and other patients who could benefit from upper limb rehabilitation with arm WS.
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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.