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Fulltext The use of Morlet wavelet coefficients for identifying fatigue damage features

Abdullah, S., Putra, T.E., Nuawi, M.Z., Nopiah, Z.M.

Pertanika Journal of Science & Technology, 2011;19(3):107-114.
MyJurnal

This paper presents a new approach to identify fatigue damaging potential locations using the Morlet wavelet coefficients. For solving the subject matter, the 122.4 second SAESUS strain signal was selected for the simulation purpose. As the result, the Morlet wavelet coefficients predicted that the maximum fatigue damage occurs at 40.4 - 42.6 seconds and 67.4 - 70 seconds. For the validation purpose, the Morrow’s fatigue damaging value was calculated and was obtained that the maximum fatigue damage occurs at 0 seconds and 99.7 seconds. The fatigue damaging value at the points was 0.0047 cycles to failure. Since both the plots had similar pattern, the Morlet wavelet coefficients could be used as the early warning of the fatigue damaging potential locations, although the locations were not entirely correct.

Matched MeSH terms: Sprains and Strains
Strengthening exercise and motor control among football players with ankle sprain: A scoping review

Mohd Tan A, Zahari Z, Bukry SA

Med J Malaysia, 2024 Mar;79(Suppl 1):197-202.
PMID: 38555905

INTRODUCTION: The ankles and feet of footballers are the most commonly affected areas by acute and chronic injuries, especially sprains. The durability of changes in motor control for the sprained injury strongly suggests that central motor commands have been reorganized and restructured involving the sensorimotor system. Indirectly, providing strength training improves muscular strength and benefits cardiometabolic health, coordination, sensorimotor, and motor performance. Thus, this study aimed to identify the effects of strengthening exercises on motor control among footballers with sprained ankles.
MATERIALS AND METHODS: This scoping review selected studies published from January 2002 to November 2022. The articles were searched through PubMed Central, BMJ Journal, Science Direct, and Scopus using "motor control", "ankle sprain" and "strengthening exercise" as the keywords. After finding the articles, the information extracted included author, year of publication, country, objective, type of study, and motor control analysis summary. The literature search strategy used Preferred Reporting Items for Systematic Review and a meta-analysis (PRISMA) where studies that are related to strengthening exercise and motor control were selected.
RESULTS: From the initial search, 50 articles were found. After processing, only ten articles were further reviewed. The findings demonstrated strengthening exercises provide changes in neurophysiological parameters with motor performance, improved motor control, strength, balance, pain, and functional movement in footballers with sprained ankles.
CONCLUSION: This review suggests the application of strengthening exercise interventions not only improves motor control, but strength, balance, pain, and functional performance among footballers with sprained ankles.

Matched MeSH terms: Sprains and Strains*
Decolourization and biodegradation of azo dye methyl red by Rhodococcus strain UCC 0016

Maniyam MN, Ibrahim AL, Cass AEG

Environ Technol, 2020 Jan;41(1):71-85.
PMID: 29923786 DOI: 10.1080/09593330.2018.1491634

In the present study, locally isolated Rhodococcus strains were attempted as biological tools for methyl red removal, a mutagenic azo dye posing threat to the environment if left untreated. Rhodococcus strain UCC 0016 demonstrated superior methyl red-decolourizing activity of 100% after 24 h at static condition in comparison to Rhodococcus strain UCC 0008 which recorded 65% decolourization after 72 h. Optimization of physicochemical parameters at 30°C, pH 7 and supplementing glucose as the carbon source resulted in improved methyl red-decolourizing activity at static condition and reduced the time taken to achieve complete decolourization by 80%. Higher concentration of methyl red (5 g/L) was able to be decolourized completely within 10 h by adopting the technology of immobilization. The encapsulated cells of Rhodococcus strain UCC 0016 demonstrated higher substrate affinity (Km = 0.6995 g/L) and an accelerated rate of disappearance of methyl red (Vmax = 0.3203 g/L/h) compared to the free cells. Furthermore, the gellan gum beads could be reused up to nine batches without substantial loss in the catalytic activity indicating the economic importance of this protocol. Analysis of methyl red degradation products revealed no germination inhibition on Triticum aestivum and Vigna radiata demonstrating complete toxicity removal of the parent dye after biological treatment. The occurrence of new and altered peaks (UV-Vis and FTIR) further supported the notion that the removal of methyl red by Rhodococcus strain UCC 0016 was indeed through biodegradation. Therefore, this strain has a huge potential as a candidate for efficient bioremediation of wastewater containing methyl red.

Matched MeSH terms: Sprains and Strains*
Fulltext Draft Genome Sequence of Streptococcus anginosus Strain CALM001, Isolated from the Gut of an Elderly Dane

Ahmad HF, Schreiber L, Marshall IPG, Andersen PJ, Castro-Mejía JL, Nielsen DS

Microbiol Resour Announc, 2019 Jun 13;8(24).
PMID: 31196919 DOI: 10.1128/MRA.00379-19

Here, we present a 1.89-Mbp draft genome sequence of Streptococcus anginosus strain CALM001, a Gram-positive bacterium that was isolated from a fecal sample donated by a 70-year-old Dane enrolled in the Counteracting Age-Related Loss of Skeletal Muscle Mass (CALM) intervention study.

Matched MeSH terms: Sprains and Strains
Fulltext Nature and pattern of cricket injuries: the Asian Cricket Council Under-19, Elite Cup, 2013

Das NS, Usman J, Choudhury D, Abu Osman NA

PLoS One, 2014;9(6):e100028.
PMID: 24927127 DOI: 10.1371/journal.pone.0100028

Cricket has over the years gained much popularity in Asia, thus the number of cricket players has also grown in tandem. However, cricket players are not as fortunate as other athletes as they do not always have a standard cricket infrastructure to practice; therefore, the injury prevalence is expected to be high. Unfortunately, very few studies have been conducted to investigate the nature and pattern of cricket injuries prevalent to cricketers in this region. Therefore, a prospective cohort injury surveillance study was conducted during the Asian Cricket Council (ACC) Under-19 Elite Cup held in June 2013 in order to gather more data on the type of injuries sustained by cricket players. Overall, 31 injuries occurred to 28 players throughout the tournament, of which 7 injuries happened during practice sessions. The overall injury incidence rate (IIR) was 292.0 per 10,000 player hours (95% CI 176.9-407.1) and 10.4 per 10,000 balls faced and 2.6 per 1000 overs bowled delivered during batting and bowling, respectively. Injuries to the lower limb (IIR: 146; 95% CI 1.8-98.2) were the most frequent, followed by injuries to the upper limb (97.3;95% CI 30.2-164.5) and to the trunk and back (IIR: 36.5;95% CI 0.0-77.7). Sprain/strains (IIR 109.5;95% CI 38.4-180.7) to muscle/tendon and joint/ligament were the most commonly reported nature of injury. This is the first study investigating injury incidence among the players of the ACC. It provides an overview of injuries sustained by elite players' under-19 years of age from 10 Asian countries. The overall IIR is similar to earlier studies conducted in well-established cricket playing nations.

Matched MeSH terms: Sprains and Strains/epidemiology*
Badminton injuries in youth competitive players

Goh SL, Mokhtar AH, Mohamad Ali MR

J Sports Med Phys Fitness, 2013 Feb;53(1):65-70.
PMID: 23470913

The aim of the study was to examine sports injury pattern and establish cost of injuries in relation to training of 58 competitive badminton players in a Malaysian National Sports School.

Matched MeSH terms: Sprains and Strains/epidemiology
Fulltext Prevalence and Pattern of Musculoskeletal Injuries Among Malaysian Hockey League Players

Manaf H, Justine M, Hassan N

Malays Orthop J, 2021 Mar;15(1):21-26.
PMID: 33880144 DOI: 10.5704/MOJ.2103.004

Introduction: Hockey is a team sport that involves running, sprinting, and making sudden changes in directions of movement to control a ball against the opposing team. Therefore, due to its nature of fast movement, hockey players may be at risk of various musculoskeletal injuries. This study aimed to identify the prevalence and pattern of musculoskeletal injuries sustained among Malaysian Hockey League players.
Materials and Method: Data were collected from 84 field hockey players that participated in the Malaysian Hockey League competition from June 2016 until December 2016. All injuries were recorded by the participating medical team using a structured questionnaire. A descriptive statistical analysis and Chi-Square test were used to explore the prevalence of the injury.
Result: More than half of the players were reported to have lower limb injuries (51.6%). Sprain and strain were the most prevalent injuries (63%) and mostly affected the ankle (29%). Male players sustained more injuries (50.8%) compared to female players (49.2%).
Conclusion: This study suggests that a guideline is needed for injury prevention strategies that will benefit the hockey players in preventing injuries.

Matched MeSH terms: Sprains and Strains
Interaksi gal quercus infectoria dengan vankomisin terhadap staphylococcus aureus yang kurang kerentanan terhadap vankomisin

Norza Wani Jaffar, Dayang Fredalina Basri, Noraziah M. Zin

Sains Malaysiana, 2011;40:1237-1241.

Staphylococcus aureus tahan Methicillin (MRSA) adalah patogen yang mudah tersebar dan cenderung untuk menjadi multi-rintangan terhadap hampir semua terapi antibiotik yang terdapat di pasaran kini. Gal daripada Quercus infectoria atau lebih dikenali sebagai manjakani di Malaysia telah diketahui mempunyai aktiviti anti-bakteria. Tujuan kajian ini adalah untuk mengkaji kesan kombinasi ekstrak gal daripada Q. infectoria dengan vankomisin terhadap lima strain MRSA dan dua strain Vancomycin-intermediate Staphylococcus aureus (VISA). Proses pengekstrakan dilakukan menggunakan pelarut aseton, metanol dan akues. Teknik mikro pencairan bersiri kaldu dijalankan menggunakan plat telaga 96 bagi menentukan nilai Minimum Inhibitory Concentration (MIC). Kesan interaksi di antara gal Q. infectoria dengan vankomisin dikaji menggunakan teknik checkerboard bagi mendapatkan nilai indek Fractional Inhibitory Concentration (FIC). Hasil kombinasi ekstrak gal dan vankomisin menunjukkan terdapat aktiviti yang sinergi pada ekstrak aseton terhadap MRSA ATCC 43300 (0.3124), Sa7 (0.3750) dan VISA U9495 (0.3750), manakala ekstrak akues terhadap MRSA Sa7 (0.4167) dan VISA U9495 (0.3958) dan N316 (0.5000). Sebaliknya kombinasi metanol dan vankomisin menunjukkan kesan yang sinergi terhadap ATCC 49476 (0.3750) sahaja manakala aditif terhadap enam lagi strain MRSA yang diuji. Kesan interaksi ini menunjukkan potensi dan kepentingannya dalam pembangunan dan modifikasi agen anti-MRSA.

Matched MeSH terms: Sprains and Strains
Patterns of injuries and illness among Malaysian athletes during the XVII Asian games 2014

Mohamad Shariff A Hamid, Arshad Puji, Zakiy Jamalullail, Zaidi Salleh, Kamarul Hashimy Hussein

Sains Malaysiana, 2016;45:1531-1536.

Although more Malaysians are taking part in International Multisport Games, these athletes well-being at such events have not been fully explored. The purpose of this study was to examine the pattern of injury and illness among Malaysian athletes during the XVII Asian Games 2014. Clinical and socio-demographic information of athletes diagnosed with injury or illness during the centralised training camp and at the Games were recorded in a standardised report form. Throughout the study period, 83 injuries and 64 illnesses were recorded from 276 athletes. Muscle strains and tears were the most common injury followed by ligamentous injury and soft tissues contusion. The number of injuries was highest among badminton players followed by hockey and rugby. Significantly higher incidence of injuries was observed among men than women hockey players. Athletes in individual events had higher proportion of more severe injury than those in team events. Respiratory tract infection was the most frequent illness diagnosed among athletes. Most injuries and illnesses diagnosed among athletes were minor and did not result in time away from participation. The incidence of injuries and illnesses among Malaysian athletes at the XVII Asian Games were comparable with those reported by previous authors. Injury and illness rate were influenced by gender and sports. Fortunately, majority of injuries and illnesses were minor and did not prevent athletes from participation.

Matched MeSH terms: Sprains and Strains
Fulltext The prevalence of injuries among participants during the 16th National Silat Championships 2012

Hassan, N.H., Nik Muhamad, N.A.

Malaysian Journal of Emergency Medicine, 2017;2(1):11-15.
MyJurnal

This study is a descriptive epidemiology on the frequency of injuries, characteristics, and type of injuries incurred during the 16th National SilatChampionships 2012 competitions. This was a retrospective study by using a Pre Hospital Care Emergency Medicine PPUKM Form. All injuries sustained during the competition days were documented. The total number of participants involved in this tournament was 158 (114 males and 44 females). 51.6% participants sustained various injuries during the competition. The common sites of injuries involved the upper and lower extremities. The injuries sustained consist of swelling, fracture, dislocation, muscle sprain, strain and others. Most of the injuries were minor and did not require hospitalization. This study identified that soft tissue injuries due to blunt trauma were common among the silatparticipants. Strict observation of the tournament regulations, vigorous training and protective measures or equipments may contribute to the absence of severe or serious injury.

Matched MeSH terms: Sprains and Strains
Effects of lateral ankle sprain on range of motion, strength and postural balance in competitive basketball players: a cross-sectional study

Cheng WL, Jaafar Z

J Sports Med Phys Fitness, 2020 Jun;60(6):895-902.
PMID: 32487984 DOI: 10.23736/S0022-4707.20.10619-4

BACKGROUND: Lateral ankle sprain is the most common injury in basketball, and many of these sprains resulted in residual functional deficits. This study aimed to compare ankle strength and range of motion, and postural balance between competitive basketball players with and without lateral ankle sprain.
METHODS: This was a cross-sectional study involving 42 male competitive basketball players. Subjects were divided into the injured and uninjured groups based on self-reported questionnaires. Ankle range of motion (ROM) was measured using a goniometer, ankle isokinetic strength testing performed using Biodex System 4 PRO, and single-leg stability tests performed using Biodex Balance System SD.
RESULTS: Between the injured and uninjured ankles, there was a decrease in plantarflexion ROM (44.89±6.85 vs. 50.75±9.31, P<0.05) and an increase in eversion ROM (14.50±5.63 vs. 11.74±4.53, P<0.05). There was a reduction in inversion and plantarflexion strength at 30°/s peak torque and 120 °/s peak torque (P<0.05). However, no significant difference observed in the postural stability indexes between the two groups.
CONCLUSIONS: This study proves that there are residual ROM and strength deficits after an ankle sprain, however, these deficits do not affect their balance ability.

Matched MeSH terms: Sprains and Strains/physiopathology*
Fulltext Regenerative medicine as a potential and future intervention for ankle sprain

Quan Fu Gan, Pooi Pooi Leong, Soon Keng Cheong, Chai Nien Foo

Malaysian Journal of Medicine and Health Sciences, 2020;16(2):290-299.
MyJurnal

Ankle sprain is one of the most common injuries associated with physical activities. Complications including pain and ankle instability are associated with decreased physical activity, reduced sport performance, and increased risk of recurrent ankle injury leading to detrimental effect on activities of daily living. Current management of ankle sprain can be conservative or surgical for serious cases. However, long healing period is required for conservative management in addition to its side effects and the risk of post-operative complications for surgical management. Due to the current challenges and setbacks faced by existing intervention, this paper aims to generate ideas in incorporat- ing regenerative medicine as an intervention for ankle sprain. This review will provide a brief review on the existing management for ankle sprain along with some history, application and the potential of regenerative medicine in speeding up the healing process of ankle sprains.

Matched MeSH terms: Sprains and Strains
Prevalence of work related musculoskeletal disorder among port workers: Quantitative analysis at the physiotherapy centre of Malaysian shipping industry, Selangor

Izham Zain, Azrul Anuar, Asrina Asri, Shamsul Azhar

Journal of Occupational Safety and Health, 2013;10(2):51-66.
MyJurnal

The objective of this study is to identify the type of occupational related musculoskeletal disorder among Malaysian Shipping Industry workers and to determine the relationship between workers sosio demographic factors with occupational related musculoskeletal disorder and injuries. This is a cross sectional, retrospective study using secondary data that is available at the physiotherapy centre of Malaysia Shipping in Selangor. The study population is the shipping port workers received physiotherapy treatment from 2011 and 2012. A total of 90 samples comprise of 85 male workers and the remaining is female. The mean age is 34.1 (±7.36). Crane operator is the largest number of workers seeks for physiotherapy treatment (68), office (15) and 7 from maintenance. The mean of employment duration is 8.02 (±4.47) years with the maintenance group of workers have longest working duration of 9 years. Muscle and ligament sprain strain known to be the commonest condition (80%) refer for physiotherapy rehabilitation, tendinitis (14%) and fracture (6%). Young age group of workers were significantly 9 times higher (95% CI 1.83 – 40.35) of getting back injuries. The prevalence of musculoskeletal disorder based on work categories vary with office type workers has 4.5 times higher (95% CI 1.06 – 19.7) on hand injuries. This study has revealed that workers age, different type of work categories, working experience, and body mass composition were associates with the occupational related injuries. The training programme emphasise on preventive measures should be tailored to empower the employee on safety measures at work.

Matched MeSH terms: Sprains and Strains
Clinical effects of Zingiber cassumunar (Plai): A systematic review

Chongmelaxme B, Sruamsiri R, Dilokthornsakul P, Dhippayom T, Kongkaew C, Saokaew S, et al.

Complement Ther Med, 2017 Dec;35:70-77.
PMID: 29154071 DOI: 10.1016/j.ctim.2017.09.009

Zingiber cassumunar Roxb. known locally as "Plai" in Thai, has been used for treating bruise, sprain and musculoskeletal pain. Several pre-clinical studies demonstrated the anti-inflammatory effect of Plai. However, current evidence of clinical effects of Plai is still unclear. This study aimed to determine the clinical efficacy and safety of Plai among all identified indications. Of the 808 articles identified by a systematic review, six studies were included. Four studies were randomized controlled trials, while two studies were quasi-experimental studies involving 178 patients in intervention group and 177 patients in control group. Duration of treatment ranged from 7days to 2 months. Our findings showed that 14% Plai cream had a strong trend of benefits in pain reduction for muscle pain and ankle sprain. However, evidence supporting the effects of Plai on acne vulgaris treatment and anti-histamine effect are still unclear.

Matched MeSH terms: Sprains and Strains/drug therapy*
Fulltext Efficacy and tolerability of celecoxib compared with diclofenac slow release in the treatment of acute ankle sprain in an Asian population

Nadarajah A, Abrahan L, Lau FL, Hwang LJ, Fakir-Bolte C

Singapore Med J, 2006 Jun;47(6):534-42.
PMID: 16752024

INTRODUCTION: Cyclooxygenase (COX)-2 selective inhibitors are attractive candidates for treatment of ankle sprain because of their efficacy as anti-inflammatory and analgesic agents and their overall safety, including lack of effect on platelet aggregation. The objective of this study was to assess the efficacy and tolerability of celecoxib compared with diclofenac slow release (SR) in the treatment of acute ankle sprain in an Asian population.
METHODS: In this seven-day, multicentre, double-blind, randomised, parallel-group trial, 370 patients with first- or second-degree ankle sprain occurring at or less than 48 hours prior to the first dose of study medication were randomised to receive celecoxib 200 mg bid (189 patients) after a 400 mg loading dose or diclofenac SR 75 mg bid (181 patients). Patients were required to demonstrate moderate to severe ankle pain on weight bearing (45 mm or greater on a 100 mm visual analogue scale [VAS]) at baseline. The primary efficacy end point was the patient's assessment of ankle pain (VAS on full weight bearing) on day 4.
RESULTS: Celecoxib was as effective as diclofenac SR in improving the signs and symptoms of ankle sprain. At day 4, mean VAS scores for celecoxib and diclofenac SR had decreased to 28 mm and 30 mm, respectively. Treatment differences were not statistically significant. Incidence of upper gastrointestinal adverse events was low in both treatment groups (0.5 percent versus 2.2 percent for celecoxib and diclofenac SR, respectively).
CONCLUSION: Celecoxib, a COX-2 selective inhibitor, is as effective as diclofenac SR in treating ankle sprains. With its platelet-sparing properties, celecoxib may offer an advantage over diclofenac SR in managing musculoskeletal injuries.

Matched MeSH terms: Sprains and Strains/drug therapy*; Sprains and Strains/physiopathology

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