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Salemi Marianna de Melo,Gomes Vanessa Maria da Silva Alves,Bezerra Laylla Marjorye Rebouças,Melo Thania Maion de Souza,Alencar Geisa Guimarães de,Montenegro Iracema Hermes Pires de Mélo,Calado Alessan 사단법인약침학회 2021 Journal of Acupuncture & Meridian Studies Vol.14 No.6
Background: Cupping therapy is used to treat musculoskeletal conditions, including low back pain. Objectives: The study assessed the effects of dry cupping on pain and functional disability from persistent nonspecific low back pain. Methods: This was a randomized controlled trial, where participants were allocated to a cupping therapy (n = 19) or sham (n = 18) group, for five 10-minute sessions of cupping therapy, twice a week, to stimulate the acupoints related to low back pain (GV4, BL23, BL24, BL25, and BL30, BL40 and BL58) and emotional aspects (HT3 and ST36). All participants were assessed at baseline, post-treatment and follow up (a finalization period of four weeks) using a visual analogue scale (VAS) and the Oswestry Disability Index (ODI). Groups were compared using the analysis of covariance (ANCOVA) and the effect size was calculated using Cohen ̓s d. Results: The cupping therapy group presented a lower mean VAS when compared to the sham, at post-treatment (mean difference: –2.36; standard error [SE]: 0.58; p < 0.001; “large” effect size: –0.94) and follow up (mean difference: –1.71; SE: 0.81; p < 0.042; ‘large’ effect size: –0.83). The cupping therapy group presented a lower mean ODI when compared to the sham post-treatment (mean difference: –4.68; SE: 1.85; p: 0.017; ‘large’ effect size: –0.87), although in follow-up, there was no difference between the groups (mean difference: 4.16; SE: 2.97; p: 0.17; “medium” effect size: –0.70). Conclusion: Dry cupping was more effective in improving pain and functional disability in people with persistent nonspecific low back pain when compared to the sham.
First measurement of jet mass in Pb–Pb and p–Pb collisions at the LHC
Acharya, S.,Adamová,, D.,Aggarwal, M.M.,Aglieri Rinella, G.,Agnello, M.,Agrawal, N.,Ahammed, Z.,Ahmad, N.,Ahn, S.U.,Aiola, S.,Akindinov, A.,Alam, S.N.,Albuquerque, D.S.D.,Aleksandrov, D.,Alessan North-Holland Pub. Co 2018 Physics letters. Section B Vol.776 No.-
<P><B>Abstract</B></P> <P>This letter presents the first measurement of jet mass in Pb–Pb and p–Pb collisions at <SUB> s NN </SUB> = 2.76 TeV and <SUB> s NN </SUB> = 5.02 TeV, respectively. Both the jet energy and the jet mass are expected to be sensitive to jet quenching in the hot Quantum Chromodynamics (QCD) matter created in nuclear collisions at collider energies. Jets are reconstructed from charged particles using the anti- <SUB> k T </SUB> jet algorithm and resolution parameter R = 0.4 . The jets are measured in the pseudorapidity range | <SUB> η jet </SUB> | < 0.5 and in three intervals of transverse momentum between 60 GeV/<I>c</I> and 120 GeV/<I>c</I>. The measurement of the jet mass in central Pb–Pb collisions is compared to the jet mass as measured in p–Pb reference collisions, to vacuum event generators, and to models including jet quenching. It is observed that the jet mass in central Pb–Pb collisions is consistent within uncertainties with p–Pb reference measurements. Furthermore, the measured jet mass in Pb–Pb collisions is not reproduced by the quenching models considered in this letter and is found to be consistent with PYTHIA expectations within systematic uncertainties.</P>