ArticleThe journal of spinal cord medicine2012
A biomechanical analysis of exercise in standing, supine, and seated positions: Implications for individuals with spinal cord injury.
Article in The journal of spinal cord medicine, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 3 registered trials, which are not on this map. Cited by 6 papers.
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.
Novel Intervention to Influence Muscle Plasticity in Veterans
Musculoskeletal Plasticity After Spinal Cord Injury
Long Duration Activity and Metabolic Control After Spinal Cord Injury
Who cites it
6 citing papers in PubMed.
- Bone and non-contractile soft tissue changes following open kinetic chain resistance training and testosterone treatment in spinal cord injury: an exploratory study.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2021Trial
- Distinct Genomic Expression Signatures after Low-Force Electrically Induced Exercises in Persons with Spinal Cord Injury.International journal of molecular sciences · 2024Article
- Lower extremity fractures in patients with spinal cord injury characteristics, outcome and risk factors for non-unions.The journal of spinal cord medicine · 2018Observational
- Bone architecture adaptations after spinal cord injury: impact of long-term vibration of a constrained lower limb.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2016Article
- Low-frequency stimulation regulates metabolic gene expression in paralyzed muscle.Journal of applied physiology (Bethesda, Md. : 1985) · 2015Article
- Cycling with Functional Electrical Stimulation Before and After a Distal Femur Fracture in a Man with Paraplegia.Topics in spinal cord injury rehabilitation · 2015Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors.
Funding
Abstract
CONTEXT/
objectiveThe distal femur is the primary fracture site in patients with osteoporosis after spinal cord injury (SCI).
objectiveTo mathematically compare the compression and shear forces at the distal femur during quadriceps stimulation in the standing, supine, and seated positions. A force analysis across these positions may be a consideration for people with SCI during neuromuscular electrical stimulation of the quadriceps.
designA biomechanical model.
settingResearch laboratory. OUTCOME MEASURES: Compression and shear forces from the standing, supine, and seated biomechanical models at the distal femur during constant loads generated by the quadriceps muscles.
resultsThe standing model estimated the highest compressive force at 240% body weight and the lowest shear force of 24% body weight at the distal femur compared with the supine and seated models. The supine model yielded a compressive force of 191% body weight with a shear force of 62% body weight at the distal femur. The seated model yielded the lowest compressive force of 139% body weight and the highest shear force of 215% body weight.
conclusionsWhen inducing a range of forces in the quadriceps muscles, the seated position yields the highest shear forces and lowest compressive forces when compared with the supine and standing positions. Standing with isometric contractions generates the highest compressive loads and lowest shear forces. Early active resistive standing may provide the most effective means to prevent bone loss after SCI.
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What OpenQuestion holds
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.