repetitive strain
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2021 ◽  
Vol 9 (11) ◽  
pp. 2659-2664
Author(s):  
Sreelatha K ◽  
George M. J ◽  
Rejani H

Tennis elbow is a condition in which there is pain on the lateral epicondyle. It is a type of repetitive strain injury due to overexertion of the common extensor tendon (snayu), micro-traumas, or its failed healing. Tennis elbow may be correlated with snāyugata vāta in kūrpara sandhi (elbow) which has symptoms of pain, stiffness and restriction of movements. Ācārya Suśruta has mentioned snigdha agnikarma (thermal cautery) in the management of snayugata vata. 16 participants satisfying the diagnostic, inclusion and exclusion criteria were selected for the study. Agnikarma using honey (madhu) was done on the 1st and 8th days. Clinical assessments were done on the 1st, 8th, 15th, 22nd, 29th days. On statistical analysis, it was found that agnikarma using madhu shows 68.22% of effect in the management of tennis elbow. Keywords: Tennis elbow, agnikarma, honey


2021 ◽  
Vol 12 ◽  
Author(s):  
Mary F. Barbe ◽  
Siva Tejaa Panibatla ◽  
Michele Y. Harris ◽  
Mamta Amin ◽  
Jocelynne T. Dorotan ◽  
...  

Background: Repetitive strain injuries caused by repetitive occupational work are difficult to prevent for multiple reasons. Therefore, we examined the effectiveness of manual therapy (MT) with rest to treat the inflammation and fibrosis that develops through the performance of a repetitive task. We hypothesized that this treatment would reduce task-induced sensorimotor declines and neuromuscular inflammation.Methods: Twenty-nine female Sprague-Dawley rats performed a reaching and lever-pulling task for 14weeks. All ceased performing the task at 14weeks. Ten were euthanized at this timepoint (TASK). Nine received manual therapy to their upper extremities while resting 7weeks (MTR); 10 were assigned to rest alone (REST). Ten additional food restricted rats were included that neither performed the task nor received manual therapy (FRC).Results: Confirming previous experiments, TASK rats showed behavioral changes (forepaw mechanical hypersensitivity, reduced grip strength, lowered forelimb/forepaw agility, and noxious cold temperature sensitivity), reduced median nerve conduction velocity (NCV), and pathological tissue changes (myelin degradation, increased median nerve and muscle inflammation, and collagen production). Manual therapy with rest (MTR) ameliorated cold sensitivity seen in REST rats, enhanced muscle interleukin 10 (IL-10) more than in REST rats, lead to improvement in most other measures, compared to TASK rats. REST rats showed improved grip strength, lowered nerve inflammation and degraded myelin, and lowered muscle tumor necrosis factor alpha (TNFα) and collagen I levels, compared to TASK rats, yet maintained lowered forelimb/forepaw agility and NCV, and increased neural fibrosis.Conclusion: In our model of repetitive motion disorder, manual therapy during rest had modest effects on behavioral, histological, and physiological measures, compared to rest alone. These findings stand in contrast to the robust preventive effects of manual therapy in this same model.


2021 ◽  
Vol 16 (Number 1) ◽  
pp. 81-90
Author(s):  
Sulistiono Sulistiono ◽  
Bambang Suhardi ◽  
F Ishartomo ◽  
I Nugraha

The development of multiscale fret as innovation of ergonomic guitar concept aims to make this innovation applied more by guitar luthiers in designing a guitar signature that is modern and ergonomic. This concept has its own advantages, not only producing specific and organic tones, but also has benefits that can minimize the risk of repetitive strain injuries that are often experienced by guitar players. Therefore, multiscale fret has begun to be widely developed and has become one of the alternative innovations that can be applied by guitar luthiers that still adopt conventional fret concept. This paper conducts an preliminary information of the innovation of multiscale fret in a guitar that is associated with aspects of ergonomic comfort. In further research, this is expected to be a reference to understand the basic of multiscale fret and a stepping stone in conducting more systematic review regarding the effectiveness of the performance of human-centered musical instruments.


Author(s):  
Abhishek Kumar ◽  
Prof. Pawankumar R. Sonawane ◽  
Dr. Kiran C. More

Lifting of heavy products and machinery’s is one of the major causes of injury in the working place or station. One of the incidents which took place in 2001, the Bureau of labor statics reported that over 28-35 percentage of disaster injuries were shoulder & back injuries. • Musculoskeletal injuries (MSIs) to arms, legs and joints and repetitive strain injuries of various sorts. • Overexertion. • Cumulative trauma. The above stated problems are the biggest factors in the injuries, which are noticed in labours while lifting and moving of heavy parts or machineries. • For detailed & more information about the injuries caused during lifting of heavy parts is mentioned in the site which is in bibliography. When an employee makes use of smart lifting practices, which are in means of mechanical gears or elements and electronics configuration which makes ease to lift any heavy products or machineries.


2021 ◽  
Vol 52 (3) ◽  
pp. e2014537
Author(s):  
Natalia Olaya Mira ◽  
Isabel Cristina Soto Cardona ◽  
Laura Vanesa Martínez Osorno ◽  
Darwin Raúl Mercado Díaz ◽  
Luisa María Henao Ceballos

Background: Postural stability enables humans to maintain the center of mass of their body within their base of support. Nevertheless, over time, such stability is affected by different factors such as age, repetitive strain, and accidents. Although studies in this field have investigated the effectiveness of hydrotherapy, only a few of them have explored its influence on postural stability, which is reflected in a lack of research that estimates its impact on rehabilitation. Aim: To determine the immediate and final effects of an aquatic routine protocol on the postural stability of elderly subjects. Methods: The postural stability of 20 adults over 60 years of age was analyzed using electromyographic and baropodometric methods. Electromyographic signals were obtained from the tibialis anterior, soleus, both gastrocnemius, vastus medialis, and biceps femoris to calculate the coactivation percentage of the muscles in charge of postural stability. The baropodometric data were collected to analyze the area of the stabilometric ellipse, mean plantar pressure, and weight distribution percentage. Results: The outcome of both methods revealed improvements in the elderly patients after the aquatic routine protocol was applied, which indicates that the type of water exercises implemented in this study has positive effects on their postural stability. Conclusion: The postural stability of the elderly participants was improved after each session because their stability index decreased along with the electrical activity of some muscle pairs, their body weight was better distributed, and the area of body oscillation was reduced. However, this effect was immediate and not final.


VPT Magazin ◽  
2021 ◽  
Vol 07 (05) ◽  
pp. 18-20

ZusammenfassungMonotone Arbeit bei geringer Gesamtbelastung der Muskulatur kann zu Schmerzentwicklung führen. Es entsteht eine Repetitive Strain Injury (RSI). Diese funktionelle Störung ist auch unter den Begriffen Work-Related Muscle Pain, Occupational Overuse Syndrome oder auch „Aschenputtel-Syndrom“ bekannt.


2021 ◽  
Author(s):  
Nelly Condori-Fernandez ◽  
Marcela Quispe-Cruz ◽  
Alejandro Catala ◽  
Joao Araujo ◽  
Patricia Lago

In this chapter, a Negative User Experience (NUX)-based method for deriving sustainability requirements of persuasive software systems is proposed. The method relies on the analysis of NUX assessment, and the exploitation of relationships between the SQ model and the PSD model, which are well-known models for sustainability-quality in software systems and persuasive system design respectively. To illustrate the method, a user study has been conducted involving people in their real working environments while using specific software intended to change their behavior for preventing or reducing repetitive strain injury (RSI). The method allowed us to discover thirteen requirements that contribute to social, technical and economic sustainability dimensions.


Author(s):  
Arno Klein

Most computer keyboard layouts (mappings of characters to keys) do not reflect the ergonomics of the human hand, resulting in preventable repetitive strain injuries. We present a set of ergonomics principles relevant to touch typing, introduce a scoring model that encodes these principles, and outline a systematic approach for developing optimized keyboard layouts in any language based on this scoring model coupled with character-pair frequencies. We then create a keyboard layout optimized for touch typing in English by constraining key assignments to reduce lateral finger movements and enforce easy access to high-frequency letters and letter pairs, applying open source software to generate millions of layouts, and evaluating them based on Google’s N-gram data. We use two independent scoring methods to compare the resulting Engram layout against 10 other prominent keyboard layouts based on a variety of publicly available text sources. The Engram layout scores consistently higher than other keyboard layouts.


2021 ◽  
pp. 1-13
Author(s):  
Joseph Ott ◽  
M. Mendel Marcus ◽  
Travis Henderson ◽  
Holly Wilson-Jene ◽  
London Lee ◽  
...  

BACKGROUND: Manual wheelchair users are at a high risk of repetitive strain injuries, carpal tunnel syndrome, and rotator cuff tears due to propelling their wheelchair for mobility. Rolling resistance (RR) is one of the key forces that leads to increased propulsion forces and risk of injuries. OBJECTIVE: To better understand the factors contributing to RR, we iteratively designed, developed, and validated a drum-based testing machine and test method. METHODS: As part of the validation of the system, we tested and compared 4 manual wheelchair wheels under a range of conditions including camber, toe in/out, tire pressure, surfaces, and speed. A treadmill was employed to simulate flat ground RR. RESULTS: A machine was effectively design, developed, and tested to measure RR. Tire type, surfaces, and toe were found to be the largest contributors to RR. Comparison of the drum-based system to flat ground revealed that an offset can be used to calculate overground RR from drum measurements. CONCLUSIONS: Ongoing work includes performing a comprehensive analysis of the degree to which each factor contributes to RR of commonly used casters and rear-wheels so that the wheelchair sector can work to reduce RR and the associated risk of repetitive strain injuries.


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