scholarly journals Effect of resistance training on muscle properties and function in women with generalized joint hypermobility: a single-blind pragmatic randomized controlled trial

Author(s):  
Gere Luder ◽  
Daniel Aeberli ◽  
Christine Mueller Mebes ◽  
Bettina Haupt-Bertschy ◽  
Jean-Pierre Baeyens ◽  
...  

Abstract Background Generalized joint hypermobility is defined as an excessive range of motion in several joints. Having joint hypermobility is not a pathology, but when associated with pain and other symptoms, it might affect health and function. Evidence for physiotherapy management is sparse and resistance training might be a possible intervention. Thus, the effects of 12-week resistance-training on muscle properties and function in women with generalized joint hypermobility were evaluated. Methods In this single-blind randomized controlled trial women between 20 and 40 years with generalized joint hypermobility (Beighton score at least 6/9) were included. Participants were randomly allocated to 12-week resistance training twice weekly (experimental) or no lifestyle change (control). Resistance training focused on leg and trunk muscles. Primary outcome was muscle strength; additional outcomes included muscle properties, like muscle mass and density, functional activities, pain and disability. Training adherence and adverse events were recorded. Results Of 51 participating women 27 were randomised to training and 24 into the control group. In each group 11 women had joint hypermobility syndrome, fulfilling the Brighton criteria, while 24 (89%) in the training group and 21 (88%) in the control group mentioned any pain. The mean strength of knee extensors varied in the training group from 0.63 (sd 0.16) N/bm before training to 0.64 (sd 0.17) N/bm after training and in the control group from 0.53 (sd 0.14) N/bm to 0.54 (sd 0.15) N/bm. For this and all other outcome measures, no significant differences between the groups due to the intervention were found, with many variables showing high standard deviations. Adherence to the training was good with 63% of participants performing more than 80% of sessions. One adverse event occurred during training, which was not clearly associated to the training. Four participants had to stop the training early. Conclusions No improvement in strength or muscle mass by self-guided resistance training was found. Low resistance levels, as well as the choice of outcome measures were possible reasons. A more individualized and better guided training might be important. However, program adherence was good with few side effects or problems triggered by the resistance training. Trial registration This trial was prospectively registered in the ISRCTN registry (www.isrctn.com, BMC, Springer Nature) on July 16, 2013 as ISRCTN90224545. The first participant was enrolled at October 25, 2013.

2020 ◽  
Vol 34 (11) ◽  
pp. 1391-1399
Author(s):  
FatmaAlzahraa H Kamel ◽  
Maged A Basha ◽  
Ashwag S Alsharidah ◽  
Amr B Salama

Objective: To determine the efficacy of a three-month resistance training programme on the mobility, muscle strength and lean body mass of patients with pancreatic cancer-induced cachexia. Design: Randomized controlled trial. Setting: Elsahel Teaching Hospital, outpatient clinic of the Faculty of Physical Therapy, Cairo, Egypt. Participants: Patients with pancreatic cancer-induced cachexia. Interventions: Participants were randomized to the resistance training group ( n = 20) and control group ( n = 20). Main measures: Outcomes including mobility, muscle strength and lean body mass were measured at baseline, three months after surgical resection and 12 weeks after intervention. Results: The mean (SD) age was 51.9 (5.03) years and body mass index was 21.1 (1.13) kg/m²; 65% of patients were male. Compared to the control group, the resistance training group showed significant improvement in mobility: 400-m walk performance (270.3–256.9 seconds vs 266.4–264.2 seconds, respectively) and chair rise (13.82–12.53 seconds vs 13.77–13.46 seconds, respectively). Similarly, muscle strength was also significantly improved in the resistance training group than in the control group; we observed increase in peak torque of knee extensors ( P = 0.004), elbow flexors ( P = 0.001) and elbow extensors, improvement in lean mass of the upper limb (6.28–6.46 kg vs 6.31–6.23 kg, respectively) and lower limb (16.31–16.58 kg vs 16.4–16.31 kg, respectively). Conclusion: A three-month resistance training improved the mobility of patients with pancreatic cancer-induced cachexia. Muscle strength and lean body mass also improved.


2018 ◽  
Vol 29 (1) ◽  
pp. 37-47 ◽  
Author(s):  
Hsiao-Ting Tung ◽  
Chi-Chieh Lai ◽  
Kuei-Min Chen ◽  
Han-Ya Tsai

This study was aimed to test the effects of a meridian cuffing exercise, the Healthy Beat Acupunch (HBA) regimen, on the functional fitness and cardiopulmonary functioning of community older adults. A single-blind, cluster randomized controlled trial was conducted. We randomly allocated eight community care centers to the intervention or control group and recruited 228 participants who completed the study (intervention: four centers, n = 111; control: four centers, n = 117). The intervention group underwent a 40-min session of HBA regimen 3 times per week for 6 months. Functional fitness and cardiopulmonary functioning were assessed at baseline, 3 months, and 6 months of the intervention. The intervention group demonstrated significantly greater improvements in functional fitness and cardiopulmonary functioning than the control group between baseline and either 3 months or 6 months. We suggest that activities designed to promote health among community older adults include acupunch exercises.


2013 ◽  
Vol 2013 ◽  
pp. 1-10 ◽  
Author(s):  
Lindsay S. Nagamatsu ◽  
Alison Chan ◽  
Jennifer C. Davis ◽  
B. Lynn Beattie ◽  
Peter Graf ◽  
...  

We report secondary findings from a randomized controlled trial on the effects of exercise on memory in older adults with probable MCI. We randomized 86 women aged 70–80 years with subjective memory complaints into one of three groups: resistance training, aerobic training, or balance and tone (control). All participants exercised twice per week for six months. We measured verbal memory and learning using the Rey Auditory Verbal Learning Test (RAVLT) and spatial memory using a computerized test, before and after trial completion. We found that the aerobic training group remembered significantly more items in the loss after interference condition of the RAVLT compared with the control group after six months of training. In addition, both experimental groups showed improved spatial memory performance in the most difficult condition where they were required to memorize the spatial location of three items, compared with the control group. Lastly, we found a significant correlation between spatial memory performance and overall physical capacity after intervention in the aerobic training group. Taken together, our results provide support for the prevailing notion that exercise can positively impact cognitive functioning and may represent an effective strategy to improve memory in those who have begun to experience cognitive decline.


2018 ◽  
Vol 27 (4) ◽  
pp. 340-347
Author(s):  
Leonardo Shigaki ◽  
Cynthia Gobbi Alves Araújo ◽  
Mariane Guizeline Calderon ◽  
Thais Karoline Cezar Costa ◽  
Andreo Fernando Aguiar ◽  
...  

Context: Strength/resistance training volume has historically been supported in the American College of Sports Medicine recommendations. However, for the back muscles, exercise prescription related to the number of sets, such as single versus multiple, is not well established in the literature. Objective: The purpose of this study was to compare the effects of 2 training volumes on strength and endurance of back-extensor muscles in untrained young participants with regard to a repeated-measures design. Design: Randomized controlled trial. Setting: Laboratory of functional evaluation and human motor performance. Participants: Forty-four untrained young participants (mean age = 21 y) were randomized into single-set (n = 14), multiple-set (MSG, n = 15), and untrained control (n = 15) groups. Intervention: The single-set group and MSG underwent a 10-week progressive resistance training program (2 d/wk) using a 45° Roman chair. Main Outcome Measures: Back maximal strength (dynamometer) and isometric and dynamic endurance (time limit, trunk extension–flexion cycles, and electromyography muscle fatigue estimates). Results: The results showed differences between the MSG and control group for isometric endurance time (mean = 19.8 s; 95% confidence interval, −44.1 to 4.8), but without time intervention significance. Significant improvement after training (P < .05) was found predominantly during dynamic endurance (number of repetitions) for both the MSG (+61%) and single-set group (+26%) compared with preintervention, whereas the control group reported no benefit. There was no significant (P > .05) difference in either strength or electromyography estimates after training. Conclusions: Both multiple and single volume training were efficient in promoting better back endurance during dynamic performance based on mechanical variables (time and number of repetitions).


2021 ◽  
Author(s):  
Bo Zhang ◽  
Nigel Robb

BACKGROUND In recent years, augmented reality (AR), especially markerless augmented reality (MAR), has been used more prevalently to create training games in an attempt to improve humans' cognitive functions. This has been driven by studies claiming that MAR provides users with more immersive experiences that are situated in the real world. Currently, no studies have scientifically investigated the immersion experience of users in a MAR cognitive training game. Moreover, there is an observed lack of instruments on measuring immersion in MAR cognitive training games. OBJECTIVE This study, using two existing immersion questionnaires, investigates students’ immersion experiences in a novel MAR n-back game. METHODS The n-back task is a continuous performance task that taps working memory (WM) capacity. We compared two versions of n-back training. One was presented in a traditional 2D format, while the second version used MAR. There were 2 experiments conducted in this study that coordinated with 2 types of immersion questionnaires: the modified Immersive Experiences Questionnaire (IEQ) and the Augmented Reality Immersion (ARI) questionnaire. Two groups of students from two universities in China joined the study, with 60 participants for the first experiment (a randomized controlled experiment) and 51 participants for the second. RESULTS Both groups of students experienced immersion in the MAR n-back game. However, the MAR n-back training group did not experience stronger immersion than the traditional (2D) n-back control group in the first experiment. The results of the second experiment showed that males felt deeply involved with the AR environment, which resulted in obtaining higher levels of immersion than females in the MAR n-back game. CONCLUSIONS Both groups of students experienced immersion in the MAR n-back game. Moreover, both the modified IEQ and ARI have the potential to be used as instruments to measure immersion in MAR game settings. CLINICALTRIAL UMIN Clinical Trials Registry UMIN000045314; https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000051725


2021 ◽  
Author(s):  
Ziyang Dong ◽  
Yang Li ◽  
Liyuan Tao ◽  
Hua Tian

Abstract Background:Tourniquet is currently widely used in total knee arthroplasty to reduce intraoperative blood loss. Academic view of tourniquet application in TKA is now in dispute. Some scholars argue that tourniquet may cause quadriceps injury and bring extra side effects so they oppose the application of tourniquet. Others find that tourniquet application has no significant adverse impact on TKA patients. Regarding its advantages in reducing intraoperative blood loss, they advocate regular application of tourniquet in TKA. Quadriceps injury is considered the main cause of tourniquet side effects. There are now many high-quality trials about tourniquet application in TKA but few of them concentrate on quadriceps morphology and function.Methods:A prospective, single blind, randomized controlled trail will be adopted. The target sample is 130. Patients who meet the eligibility criteria will be randomly allocated to tourniquet group and non-tourniquet group. Primary outcomes are thickness, stiffness and function of quadriceps, which will be evaluated by ultrasound and rehabilitation tests. Secondary outcomes consist of circumference of thigh, VAS score, opioid consumption, knee function score, postoperative satisfaction score, operation time, intraoperative blood loss, perioperative blood loss, blood transfusion rate, D-Dimer, C-reactive protein, and complications. Discussion:This proposed study will contribute to improve evidence of tourniquet application in total knee arthroplasty. This will be a high-quality single blind randomized controlled trial with sufficient sample size and strict study design. It will investigate the effects of tourniquet application especially on the morphology and function of quadriceps in patients undergoing total knee arthroplasty and offer advice for tourniquet application in clinical practice.Trial registration:Chinese clinical trial registry, ChiCTR2000035097. Registered 31 July 2020, http://www.chictr.org.cn/showproj.aspx?proj=57093


10.2196/27036 ◽  
2021 ◽  
Vol 9 (4) ◽  
pp. e27036
Author(s):  
Bo Zhang ◽  
Nigel Robb

Background In recent years, augmented reality (AR), especially markerless augmented reality (MAR), has been used more prevalently to create training games in an attempt to improve humans' cognitive functions. This has been driven by studies claiming that MAR provides users with more immersive experiences that are situated in the real world. Currently, no studies have scientifically investigated the immersion experience of users in a MAR cognitive training game. Moreover, there is an observed lack of instruments on measuring immersion in MAR cognitive training games. Objective This study, using two existing immersion questionnaires, investigates students’ immersion experiences in a novel MAR n-back game. Methods The n-back task is a continuous performance task that taps working memory (WM) capacity. We compared two versions of n-back training. One was presented in a traditional 2D format, while the second version used MAR. There were 2 experiments conducted in this study that coordinated with 2 types of immersion questionnaires: the modified Immersive Experiences Questionnaire (IEQ) and the Augmented Reality Immersion (ARI) questionnaire. Two groups of students from two universities in China joined the study, with 60 participants for the first experiment (a randomized controlled experiment) and 51 participants for the second. Results Both groups of students experienced immersion in the MAR n-back game. However, the MAR n-back training group did not experience stronger immersion than the traditional (2D) n-back control group in the first experiment. The results of the second experiment showed that males felt deeply involved with the AR environment, which resulted in obtaining higher levels of immersion than females in the MAR n-back game. Conclusions Both groups of students experienced immersion in the MAR n-back game. Moreover, both the modified IEQ and ARI have the potential to be used as instruments to measure immersion in MAR game settings. Trial Registration UMIN Clinical Trials Registry UMIN000045314; https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000051725


Sign in / Sign up

Export Citation Format

Share Document