Effects of Resistance Exercise on Lower Limb Motor Unit Recruitment, Muscle Function, and Exercise Performance according to CNTF Genotype

Hong, Ae Rim; Shin, Yun A; Cho, Eun Hyo

doi:10.51979/kssls.2014.08.57.793

Cited by 4 publications

(4 citation statements)

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“…One of the possible reasons for this phenomenon is the established UL muscle weakness. 7 According to previous studies, resistance exercise training has the potential to improve muscle strength in healthy individuals; 65 , 66 however, the current evidence for people with COPD is conflicting. 15 Our findings showed that UL resistance training plays a key role in the improvement of UL muscle strength, despite one of the two studies that did not report significant improvements (within- or between-groups) did not implement a resistance training component.…”

Section: Discussionmentioning

confidence: 99%

The effects of upper limb exercise training on upper limb muscle strength in people with chronic obstructive pulmonary disease: a systematic review and meta-analysis of randomized controlled trials

Karagiannis

Savva

Korakakis

et al. 2023

Ther Adv Respir Dis

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Background: Upper limb (UL) muscle dysfunction is a common extrapulmonary manifestation of chronic obstructive pulmonary disease (COPD). UL muscle dysfunction is associated with muscle weakness, dyspnea, and exercise intolerance. Although upper limb exercise training (ULET) is typically incorporated in pulmonary rehabilitation programs, its effects on UL muscle strength remains unclear. Objectives: The purpose of this systematic review was to investigate the effectiveness of ULET, in UL muscle strength of people with COPD. Design: This is systematic review and meta-analysis study. Data Sources and Methods: Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) Protocols 2020 guidelines were used for this study. PubMed, Cochrane, CINAHL Plus and SPORTDiscus and clinicaltrials.gov registry were searched from inception to July 2022. Included studies were randomized controlled trials, assessing the effectiveness in muscle strength of ULET, compared with other types of upper or lower limb exercise or no exercise. The quality and risk of bias were assessed using the Physiotherapy Evidence Database (PEDro) scale and certainty of evidence with the Grading of Recommendations, Assessment, Development, and Evaluations approach. Treatment effects of ULET were calculated using standardized mean differences and 95% confidence intervals. Results: Twenty-four studies, with a total sample of 882 patients, were included. Most studies were of moderate quality and high risk of bias. Very low to low certainty evidence indicates a significant difference in UL muscle strength in favor of resistance ULET, compared with lower limb exercise alone or no exercise. No significant differences were found in different types of ULET comparisons. Conclusion: The results of this review showed that resistance ULET could improve UL muscle strength in people with COPD. Most studies, however, were of moderate quality and high risk of bias. Further studies with larger sample sizes, better methodological quality, and standardized training protocols are needed to confirm these findings.

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Section: Discussionmentioning

confidence: 99%

The effects of upper limb exercise training on upper limb muscle strength in people with chronic obstructive pulmonary disease: a systematic review and meta-analysis of randomized controlled trials

Karagiannis

Savva

Korakakis

et al. 2023

Ther Adv Respir Dis

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“…Strength‐training increases muscle strength, the maximum force produced by a muscle (Hong et al, 2014; Moore et al, 2004). Improving muscular strength serves to reduce the likelihood of injury occurrence (Brooks et al, 2006), lowers the probability of encountering musculoskeletal conditions such as osteoarthritis (Zhang & Jordan, 2010), enhances metabolic well‐being (Ihalainen et al, 2019), augments the mobility of older adults (Brandon et al, 2003) and improves athletic ability (Comfort et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Strength‐trained adults demonstrate greater corticoreticular activation versus untrained controls

Akalu,

Tallent,

Frazer

et al. 2024

Eur J of Neuroscience

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The rapid increase in strength following strength‐training involves neural adaptations, however, their specific localisation remains elusive. Prior focus on corticospinal responses prompts this study to explore the understudied cortical/subcortical adaptations, particularly cortico‐reticulospinal tract responses, comparing healthy strength‐trained adults to untrained peers. Fifteen chronically strength‐trained individuals (≥2 years of training, mean age: 24 ± 7 years) were compared with 11 age‐matched untrained participants (mean age: 26 ± 8 years). Assessments included maximal voluntary force (MVF), corticospinal excitability using transcranial magnetic stimulation (TMS), spinal excitability (cervicomedullary stimulation), voluntary activation (VA) and reticulospinal tract (RST) excitability, utilizing StartReact responses and ipsilateral motor‐evoked potentials (iMEPs) for the flexor carpi radialis muscle. Trained participants had higher normalized MVF (6.4 ± 1.1 N/kg) than the untrained participants (4.8 ± 1.3 N/kg) (p = .003). Intracortical facilitation was higher in the strength‐trained group (156 ± 49%) (p = .02), along with greater VA (98 ± 3.2%) (p = .002). The strength‐trained group displayed reduced short‐interval‐intracortical inhibition (88 ± 8.0%) compared with the untrained group (69 ± 17.5%) (p < .001). Strength‐trained individuals exhibited a greater normalized rate of force development (38.8 ± 10.1 N·s−1/kg) (p < .009), greater reticulospinal gain (2.5 ± 1.4) (p = .02) and higher ipsilateral‐to‐contralateral MEP ratios compared with the untrained group (p = .03). Strength‐trained individuals displayed greater excitability within the intrinsic connections of the primary motor cortex and the RST. These results suggest greater synaptic input from the descending cortico‐reticulospinal tract to α‐motoneurons in strength‐trained individuals, thereby contributing to the observed increase in VA and MVF.

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“…Tai Chi, with its emphasis on slow, controlled movements and balance, has been found to improve stability and reduce the risk of falls among Parkinson's patients [29]. Similarly, resistance training has been associated with improvements in muscular strength, motor function, and the ability to perform daily activities [30].…”

Section: Introductionmentioning

confidence: 99%

The Role of Physical Activity in Adjunctive Nursing Management of Neuro-Degenerative Diseases among Older Adults: A Systematic Review of Interventional Studies

Alanazi

2024

Life

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Neurodegenerative diseases such as dementia and Parkinson’s disease pose significant challenges to older adults globally. While pharmacological treatments remain primary, increasing evidence supports the role of non-pharmacological strategies like physical activity in managing these conditions. This systematic review critically evaluates the effectiveness of Nursing based physical activity interventions in improving cognitive function, physical functioning, mobility, and overall quality of life among older adults with neurodegenerative diseases. We conducted a comprehensive search across PubMed, EMBASE, Web of Science, CENTRAL, and other relevant databases, focusing on randomized controlled trials and observational studies that examined the impact of structured physical activity. Our findings from nineteen studies involving 1673 participants indicate that interventions ranging from aerobic exercises, resistance training, to mind-body exercises like Tai Chi and yoga have beneficial effects. Specifically, physical activity was consistently found to enhance cognitive performance, increase mobility, and improve balance and daily living activities, contributing to a better quality of life. However, these benefits vary depending on the type, intensity, and duration of the activity performed. Despite promising results, limitations such as small sample sizes, study heterogeneity, and short-term follow-up periods call for more robust, long-term studies to solidify these findings. This review underscores the potential of tailored physical activity programs as adjunctive therapy in the comprehensive management of neurodegenerative diseases among the elderly population.

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Effects of Resistance Exercise on Lower Limb Motor Unit Recruitment, Muscle Function, and Exercise Performance according to CNTF Genotype

Cited by 4 publications

References 0 publications

The effects of upper limb exercise training on upper limb muscle strength in people with chronic obstructive pulmonary disease: a systematic review and meta-analysis of randomized controlled trials

The effects of upper limb exercise training on upper limb muscle strength in people with chronic obstructive pulmonary disease: a systematic review and meta-analysis of randomized controlled trials

Strength‐trained adults demonstrate greater corticoreticular activation versus untrained controls

The Role of Physical Activity in Adjunctive Nursing Management of Neuro-Degenerative Diseases among Older Adults: A Systematic Review of Interventional Studies

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