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1.
BMC Musculoskelet Disord ; 21(1): 744, 2020 Nov 12.
Artigo em Inglês | MEDLINE | ID: mdl-33183274

RESUMO

BACKGROUND: Rotator cuff related pain (RCRP) is one of the most common sources of musculoskeletal shoulder pain affecting the general population. Conservative treatment, in the form of exercise, is considered the first line approach, nonetheless, improvements seem to be modest. One therapeutic modality that might be an adjunct to the treatment of this condition is mobilisation with movement (MWM). MWM is a pain-free manual procedure that targets restricted and painful movements, commonly seen in patients with RCRP. The purpose of clinical trial is to determine whether MWM with exercise has benefits over sham MWM with exercise in RCRP. METHODS: A randomised, sham-controlled trial of 70 adults complaining of RCRP will compare the effects of MWM combined with exercise over sham MWM with exercise. Participants will be allocated to one of two groups: exercise and MWM (EG) or exercise and sham MWM (CG). Two weekly individual treatment sessions will be conducted over five weeks. All assessments will be performed by a blinded assessor. Primary outcome measures will be the shoulder pain and disability index (SPADI) and the numeric pain rating scale (NPRS), assessed at baseline, discharge and one-month follow-up. Secondary outcome measures will be active range of motion, self-efficacy and the global rating of change scale. The analyses will be conducted considering a statistically significant p-value ≤0.05. Normality will be assessed with the Kolmogorov-Smirnov test and homogeneity with the Levene's test. For the primary outcome measures (SPADI and NPRS) and self-efficacy, a 2 × 3 ANOVA with treatment group (EG versus CG) and time (baseline, end of the treatment and follow-up) factors will be performed. Separate 2 × 2 ANOVA will be used for range of motion (baseline and end of the treatment). Global rating scale of change analysis will be conducted using descriptive statistics. Intention-to-treat analysis will be adopted. DISCUSSION: As there is a paucity of longitudinal studies investigating the use of MWM in patients with RCRP, this study will help to better understand its role together with a structured exercise programme. TRIAL REGISTRATION: Clinical Trials Registry number NCT04175184 . November, 2019.


Assuntos
Modalidades de Fisioterapia , Manguito Rotador , Dor de Ombro , Adulto , Terapia por Exercício , Humanos , Ensaios Clínicos Controlados Aleatórios como Assunto , Padrões de Referência , Dor de Ombro/diagnóstico , Dor de Ombro/terapia , Resultado do Tratamento
2.
Proc Natl Acad Sci U S A ; 107(32): 14030-5, 2010 Aug 10.
Artigo em Inglês | MEDLINE | ID: mdl-20660772

RESUMO

It is very common in mathematics to construct surfaces by identifying the sides of a polygon together in pairs: For example, identifying opposite sides of a square yields a torus. In this article the construction is considered in the case where infinitely many pairs of segments around the boundary of the polygon are identified. The topological, metric, and complex structures of the resulting surfaces are discussed: In particular, a condition is given under which the surface has a global complex structure (i.e., is a Riemann surface). In this case, a modulus of continuity for a uniformizing map is given. The motivation for considering this construction comes from dynamical systems theory: If the modulus of continuity is uniform across a family of such constructions, each with an iteration defined on it, then it is possible to take limits in the family and hence to complete it. Such an application is briefly discussed.

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