The impact of neuromuscular electrical stimulation on recovery after intensive, muscle damaging, maximal speed training in professional team sports players

2015 ◽  
Vol 18 (3) ◽  
pp. 328-332 ◽  
Author(s):  
Tom Taylor ◽  
Daniel J. West ◽  
Glyn Howatson ◽  
Chris Jones ◽  
Richard M. Bracken ◽  
...  
Keyword(s):  
Electrical Stimulation ◽  
Neuromuscular Electrical Stimulation ◽  
Team Sports ◽  
Professional Team Sports ◽  
Maximal Speed ◽  
Speed Training ◽  
The Impact

The Impact of Free Agency on Competitive Balance in North American Professional Team Sports Leagues

2006 ◽  
Vol 20 (3) ◽  
pp. 345-365 ◽  
Author(s):  
Joel Maxcy ◽  
Michael Mondello
Keyword(s):  
National Football League ◽  
Team Sports ◽  
National Hockey League ◽  
Competitive Balance ◽  
Free Agency ◽  
Free Agent ◽  
Professional Team Sports ◽  
Dependent Variables ◽  
Sports Leagues ◽  
The Impact

Free agency was reintroduced to professional team sport leagues in the 1970s. Sport enthusiasts expressed concern that competitive balance would diminish as star players congregated to large market cities. However, the economic invariance principle rejects this notion, indicating that balance should remain unchanged. This article empirically examines the effects of changes in free agent rules on competitive balance over time in the National Basketball Association (NBA), National Football League (NFL), and National Hockey League (NHL). Regression analysis using within-season and between-season measures of competitive balance as dependent variables provides mixed results. The NFL and NHL provide evidence that an aspect of competitive balance has improved, but results from the NBA indicate that balance has worsened since the introduction of free agency. We conclude that the ambiguous results suggest that the effects are not independent, but instead depend on the interaction of free agent rights with other labor market and league rules.

A Clinical Approach to Neuromuscular Electrical Stimulation for Speech and Swallow in an Acute Rehabilitation Facility

2019 ◽  
Vol 4 (5) ◽  
pp. 1044-1048
Author(s):  
Melissa M. Howard ◽  
Emily R. Rosario
Keyword(s):  
Electrical Stimulation ◽  
Brain Injury ◽  
Patient Population ◽  
Neuromuscular Electrical Stimulation ◽  
Inpatient Rehabilitation ◽  
Future Research ◽  
Clinical Approach ◽  
Rehabilitation Facility ◽  
Acute Rehabilitation ◽  
The Impact

Purpose Neuromuscular Electrical Stimulation (NMES) is a widely used treatment modality for dysphagia therapy despite the inconclusive evidence of its effectiveness. Our objective was to complete a retrospective review to analyze the results of NMES with our patient population in an acute rehabilitation facility. In this clinical focus article, we briefly review the current literature on NMES, discuss a clinical protocol of NMES use in an inpatient rehabilitation hospital, and discuss the need for future research in this area. Conclusions As with much of the NMES literature, we observed improvement in the ability to swallow following a cerebrovascular accident and traumatic brain injury when a combination of swallowing therapy and NMES treatment was used. Although this combination works for our patients to improve swallow function, the impact of swallow therapy alone remains unclear. Further investigative research to clarify NMES protocols and patient population is needed to optimize results. Therefore, a large randomized clinical trial would be beneficial to clearly define the role of NMES in recovery of swallowing ability following a brain injury.

scholarly journals The Effect of Quadriceps Muscle Length on Maximum Neuromuscular Electrical Stimulation Evoked Contraction, Muscle Architecture, and Tendon-Aponeurosis Stiffness

2021 ◽  
Vol 12 ◽  
Author(s):  
Jonathan Galvão Tenório Cavalcante ◽  
Rita de Cassia Marqueti ◽  
Jeam Marcel Geremia ◽  
Ivo Vieira de Sousa Neto ◽  
Bruno Manfredini Baroni ◽  
...  
Keyword(s):  
Electrical Stimulation ◽  
Current Efficiency ◽  
Knee Flexion ◽  
Neuromuscular Electrical Stimulation ◽  
Muscle Length ◽  
Physiological Adaptation ◽  
Repeated Measure ◽  
Stiffness Index ◽  
Force Transmission ◽  
The Impact

Muscle-tendon unit length plays a crucial role in quadriceps femoris muscle (QF) physiological adaptation, but the influence of hip and knee angles during QF neuromuscular electrical stimulation (NMES) is poorly investigated. We investigated the effect of muscle length on maximum electrically induced contraction (MEIC) and current efficiency. We secondarily assessed the architecture of all QF constituents and their tendon-aponeurosis complex (TAC) displacement to calculate a stiffness index. This study was a randomized, repeated measure, blinded design with a sample of twenty healthy men aged 24.0 ± 4.6. The MEIC was assessed in four different positions: supine with knee flexion of 60° (SUP60); seated with knee flexion of 60° (SIT60); supine with knee flexion of 20° (SUP20), and seated with knee flexion of 20° (SIT20). The current efficiency (MEIC/maximum tolerated current amplitude) was calculated. Ultrasonography of the QF was performed at rest and during NMES to measure pennation angle (θp) and fascicle length (Lf), and the TAC stiffness index. MEIC and current efficiency were greater for SUP60 and SIT60 compared to SUP20 and SIT20. The vastus lateralis and medialis showed lower θp and higher Lf at SUP60 and SIT60, while for the rectus femoris, in SUP60 there were lower θp and higher Lf than in all positions. The vastus intermedius had a similar pattern to the other vastii, except for lack of difference in θp between SIT60 compared to SUP20 and SIT20. The TAC stiffness index was greater for SUP60. We concluded that NMES generate greater torque and current efficiency at 60° of knee flexion, compared to 20°. For these knee angles, lengthening the QF at the hip did not promote significant change. Each QF constituent demonstrated muscle physiology patterns according to hip and/or knee angles, even though a greater Lf and lower θp were predominant in SUP60 and SIT60. QF TAC index stiffened in more elongated positions, which probably contributed to enhanced force transmission and slightly higher torque in SUP60. Our findings may help exercise physiologist better understand the impact of hip and knee angles on designing more rational NMES stimulation strategies.Clinical Trial Registrationwww.ClinicalTrials.gov, identifier NCT03822221.

scholarly journals Impact of treadmill gait training with neuromuscular electrical stimulation on the urodynamic profile of patients with high cervical spinal cord injury

2010 ◽  
Vol 8 (3) ◽  
pp. 325-328
Author(s):  
Carlos Arturo Levi D’Ancona ◽  
Alberto Clilclet ◽  
Lia Yumi Ikari ◽  
Renato Jesus Pedro ◽  
Walter da Silva Júnior
Keyword(s):  
Electrical Stimulation ◽  
Urinary Tract ◽  
Cervical Spinal Cord ◽  
Neuromuscular Electrical Stimulation ◽  
Gait Training ◽  
Neuromuscular Training ◽  
Significant Difference ◽  
Cord Injury ◽  
The Impact ◽  
Urodynamic Parameters

ABSTRACT Objective: To evaluate the impact of gait training with neuromuscular electrical stimulation on urodynamic parameters of patients with neurogenic bladder. Methods: Eight male quadriplegic patients with complete cervical injury level ranging from C4 to C7 comprised the study population. They underwent treadmill gait training with neuromuscular electrical stimulation for six months, only after having their quadriceps and tibialis anterior muscles stimulated for five months in order to support at least 50% of their body weight (pre-gait training). Urodynamic testing was performed before the treadmill gait training and six months after. Results: The mean time after cervical lesion was 74.63 months. The urodynamic parameters before and after neuromuscular training by electrical stimulation did not show significant difference. Conclusion: This study demonstrated that neuromuscular training with electrical stimulation can benefit the urinary tract. This promising minimally invasive field requires further and more complete studies to confirm a possible benefit to the low urinary tract.

scholarly journals The Research Doesn’t Always Apply: Practical Solutions to Evidence-Based Training-Load Monitoring in Elite Team Sports

2017 ◽  
Vol 12 (s2) ◽  
pp. S2-136-S2-141 ◽  
Author(s):  
Darren J. Burgess
Keyword(s):  
External Load ◽  
Team Sports ◽  
Reliability And Validity ◽  
Team Sport ◽  
Evidence Based ◽  
Internal Load ◽  
Professional Team Sports ◽  
Load Monitoring ◽  
Player Performance ◽  
The Impact

Research describing load-monitoring techniques for team sport is plentiful. Much of this research is conducted retrospectively and typically involves recreational or semielite teams. Load-monitoring research conducted on professional team sports is largely observational. Challenges exist for the practitioner in implementing peer-reviewed research into the applied setting. These challenges include match scheduling, player adherence, manager/coach buy-in, sport traditions, and staff availability. External-load monitoring often attracts questions surrounding technology reliability and validity, while internal-load monitoring makes some assumptions about player adherence, as well as having some uncertainty around the impact these measures have on player performance This commentary outlines examples of load-monitoring research, discusses the issues associated with the application of this research in an elite team-sport setting, and suggests practical adjustments to the existing research where necessary.

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