EFFECT OF EIGHT WEEKS VIBRATION TRAINING ON THE LOWER LIMB BASIC ABILITY AND ATHLETIC PERFORMANCE OF GYMNASTS

The purpose of this study explores the effects of 8 weeks vibration training on the basic ability (explosive power, speed, agility) and athletic performance (backward somersault) of the lower limbs of gymnasts. Sixteen gymnasts were randomly divided into vibration training group (VT) and control group (CON). Participants were trained for eight weeks and performed countermovement jump (CMJ), sprints, shuttle run, and backward somersault tests before the training, after 4 weeks, and 8 weeks of training. The significant level was set to α = .05. The results showed that the speed of VT increased significantly after 4 weeks of training, and the speed and agility of VT increased significantly after 8 weeks of training (p \u3c.05). In conclusion, Gymnasts can improve their speed ability through 4 weeks of vibration training, and 8 weeks vibration training can improve their speed and agility

Malignancy After Heart Transplantation

The purpose of this study was to assess the incidence and type of malignancies after heart transplantation at a medical institute in Taiwan. Methods: From January 1987 to December 2008, a total of 66 patients who survived more than 30 days after transplantation were enrolled in this study. Results: Of the 66 heart transplant recipients, 8 (12.1%) post-transplant malignancies were diagnosed: 5 post- transplant lymphoproliferative diseases (PTLD), 1 prostate cancer, 1 lung cancer, and 1 squamous cell carcinoma of the cheek. The clinical presentations were diverse, and the diagnoses were confirmed by biopsy. Only 1 patient died of PTLD and subsequent multiple organ failure. Conclusion: Cancer is a limiting factor for long-term survival after heart transplantation. The most common type in this study was PTLD. Early detection and aggressive treatment results in good response and preserves the allograft

Search for pair production of first and second generation leptoquarks in proton-proton collisions at s=8\sqrt{s} = 8 TeV

A search for pair production of first and second generation leptoquarks is performed in final states containing either two charged leptons and two jets, or one charged lepton, one neutrino and two jets, using proton-proton collision data at $\sqrt{s} = 8$ TeV. The data, corresponding to an integrated luminosity of 19.7 fb$^{-1}$, were recorded with the CMS detector at the LHC. First-generation scalar leptoquarks with masses less than 1010 (850) GeV are excluded for β=1.0 (0.5), where β is the branching fraction of a leptoquark decaying to a charged lepton and a quark. Similarly, second-generation scalar leptoquarks with masses less than 1080 (760) GeV are excluded for β=1.0 (0.5). Mass limits are also set for vector leptoquark production scenarios with anomalous vector couplings, and for R-parity violating supersymmetric scenarios of top squark pair production resulting in similar final-state signatures. These are the most stringent limits placed on the masses of vector leptoquarks and RPV top squarks to date

Search for W' decaying to tau lepton and neutrino in proton-proton collisions at (s)=\sqrt(s) = 8 TeV

The first search for a heavy charged vector boson in the final state with a tau lepton and a neutrino is reported, using 19.7 fb −1 of LHC data at s=8 TeV . A signal would appear as an excess of events with high transverse mass, where the standard model background is low. No excess is observed. Limits are set on a model in which the W′ decays preferentially to fermions of the third generation. These results substantially extend previous constraints on this model. Masses below 2.0 to 2.7 TeV are excluded, depending on the model parameters. In addition, the existence of a W′ boson with universal fermion couplings is excluded at 95% confidence level, for W′ masses below 2.7 TeV. For further reinterpretation a model-independent limit on potential signals for various transverse mass thresholds is also presented

Search for neutral MSSM Higgs bosons decaying into a pair of bottom quarks

A search for neutral Higgs bosons decaying into a b-bbar quark pair and produced in association with at least one additional b quark is presented. This signature is sensitive to the Higgs sector of the minimal supersymmetric standard model (MSSM) with large values of the parameter tan(beta). The analysis is based on data from proton-proton collisions at a center-of-mass energy of 8 TeV collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 19.7 inverse femtobarns. The results are combined with a previous analysis based on 7 TeV data. No signal is observed. Stringent upper limits on the cross section times branching fraction are derived for Higgs bosons with masses up to 900 GeV, and the results are interpreted within different MSSM benchmark scenarios, m[h,max], m[h,mod+], m[h,mod-], light-stau and light-stop. Observed 95% confidence level upper limits on tan(beta), ranging from 14 to 50, are obtained in the m[h,mod+] benchmark scenario