Background the effects of radial extracorporeal shock wave therapy (rESWT) were assessed on agonist/antagonist muscles in stroke patients with elbow spasticity, the duration of effects and influence on function. Methods patients were randomly assigned into groups: control (A, n = 25), rESWT on agonist muscles (B, n = 27) and rESWT on antagonist muscles (C, n = 30) groups. Conventional physical therapy was given to three groups for 3 weeks, six times a week, and besides, rESWT was given at 4-day intervals for five consecutive treatments, B received rESWT on agonist muscles and C received rESWT on antagonist muscles. The primary outcome was Modified Ashworth Scale (MAS) scores. Modified Tardieu Scale, Visual Analogue Scale (VAS), Fugl-Meyer Assessment and swelling scale (SS) scores were secondary outcomes. Indicators were assessed at baseline, after five treatments and after 4 weeks follow-up. Results the rate of treatment was determined by changes in MAS, which was 16.0 (A), 70.4 (B) and 63.3% (C) after rESWT treatments, and was 24.0 (A), 74.1 (B) and 66.7% (C) after 4 weeks follow-up. Improvements were achieved for R1 (P < 0.01), R2 (P < 0.01) and VAS (P < 0.01) after five rESWT interventions. At 4 weeks, significant improvements were achieved for R1 (P < 0.01) and VAS (P < 0.01). Conclusions rESWT is an effective therapy for spasticity after stroke, with lasting effects on both agonist and antagonist muscles after 4 weeks. rESWT relieved pain but had no effect on active function or swelling of the upper limbs.

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BackgroundStroke-induced dysarthria is caused by muscle weakness, sacral or muscular dystonia, and incoordination of the articulatory organ formed by organic lesions caused by cerebral vascular obstruction or sudden bursting of blood vessels in the brain, which may cause abnormal breathing patterns, pronunciation, resonance, rhythm, and unclear articulation.The Six Character Formula, or Liuzijue qigong (LQG), is an essential part of Chinese traditional exercises and focuses on breathing–speech synchronization. The purpose of the present study was to compare the effects of LQG with traditional breathing training (combined with basic articulation training in both groups) in patients with post-stroke dysarthria.Methods/designThe proposed study will be a single-center randomized controlled trial. A total of 100 patients, with a modified Frenchay Dysarthria Assessment (FDA) dysarthria assessment score < 27 and with a FDA speech breathing level ≥ b will be randomly divided into study (LQG, n = 50) and control (conventional breathing training, n = 50) groups. Basic articulation training will be conducted once a day, five times a week for 3 weeks. Data collection will be conducted at baseline, 1 week, and 2 weeks post-treatment initiation and after completion of the treatment (3 weeks). Comprehensive analyses will be conducted to measure and compare any differences in speech breathing dysfunction levels, comprehensive evaluation of dysarthria, maximum phonation time (MPT), maximal counting ability, signal-noise (S/Z) ratio, and loudness scales between the study and control groups.DiscussionThis trial will provide evidence about the effectiveness of LQG for improvement of speech breathing function and speech ability in patients with post-stroke dysarthria complicated with abnormal breathing.Trial registrationChinese Clinical Trial Registry, ChiCTR-INR-16010215. Registered 21 December 2016.Electronic supplementary materialThe online version of this article (10.1186/s13063-018-2734-0) contains supplementary material, which is available to authorized users.

Objective: The aim of the study was to investigate whether liuzijue qigong could improve the ability of respiratory control and comprehensive speech in patients with stroke dysarthria. Design: A randomized controlled trial. Setting: The research was carried out in the department of rehabilitation. Participants: Altogether, a total of 98 stroke patients with dysarthria participated in the study. Interventions: Patients were randomly divided into two groups (the experimental group: basic articulation + liuzijue qigong, 48 patients or the control group: basic articulation + traditional breathing training, 50 patients). All therapies were conducted once a day, five times a week for three weeks. Main measures: Primary outcome measure: Speech breathing level of the modified Frenchay Dysarthria Assessment. Secondary outcome measures: the modified Frenchay Dysarthria Assessment, maximum phonation time, maximal counting ability, /s/, /z/, s/z ratio, and the loudness level. All outcome measures were assessed twice (at baseline and after three weeks). Results: At three weeks, There were significant difference between the two groups in the change of speech breathing level (81% vs 66%, P = 0.011), the modified Frenchay Dysarthria Assessment (5.54 (4.68–6.40) vs 3.66 (2.92–4.40), P = 0.001), maximum phonation time (5.55 (4.92–6.18) vs 3.01(2.31–3.71), P < 0.01), maximal counting ability (3.08(2.45–3.71) vs 2.10 (1.53–2.67), P = 0.018), and /s/ (3.08 (2.39–3.78) vs 1.87 (1.23–2.51), P = 0.004), while no significant differences were found in the change of /z/ (3.08 (2.31–3.86) vs 2.10 (1.5–2.64), P = 0.08), s/ z ratio (1.26 (0.96–1.55) vs 1.03 (0.97–1.09), P = 0.714), and the change of loudness level (69% vs 60%, P = 0.562). Conclusions: Liuzijue qigong, combined with basic articulation training, could improve the respiratory control ability, as well as the comprehensive speech ability of stroke patients with dysarthria. Trial registration: ChiCTR-INR-16010215.