A multicenter, randomized, open‐label comparative study of prabotulinumtoxinA with two different dosages and diverse proportional injection styles for the reduction of gastrocnemius muscle hypertrophy in Asian women

2019 ◽  
Vol 32 (5) ◽  
Author(s):  
Youngchul Suh ◽  
Guk J. Jeong ◽  
HyungJoo Noh ◽  
Sanghoon Sun ◽  
Chang H. Hwang ◽  
...  
2020 ◽  
Vol 12 (1) ◽  
pp. 59-68
Author(s):  
Alex Souto Maior ◽  
Marcio Tannure ◽  
Fábio Eiras ◽  
Arthur de Sá Ferreira

SummaryStudy aim: This study compared the effects of intermittent negative pressure therapy (INPT) vs. active recovery therapy (ART) on post-match physiological parameters such as serum CK level and skin temperature of the lower limbs in elite soccer players.Material and methods: Twenty healthy male professional soccer players from a Brazilian first division soccer club were enrolled in this randomized, parallel arm, open label, comparative study. After participating in 2 soccer matches, they were randomly assigned to two groups (n = 10) to receive a 30-min session of INPT (intermittent exchange of hypobaric pressure range 33 to 51 mmHg) or ART (self-myofascial release, mobility and stability exercises, and cycle ergometer exercise). The intervention was conducted after a match with assessments immediately before and after the intervention and again 24 h after the intervention.Results: A significant interaction effect (F2,36 = 4.503, p = 0.018, η2 = 0.130) was observed, indicating that the decrease of CK from pre-intervention to 24 h post-intervention was greater in the INPT than in the ART group. Lower limb skin temperature was significantly lower after INPT than after ART (p < 0.003).Conclusions: Serum CK level and skin temperature of lower limbs showed better recovery up to 24 h after the intervention with INPT in elite soccer players.


2019 ◽  
Author(s):  
Xia Yan ◽  
Xuli Gao ◽  
Xin Peng ◽  
Jie Zhang ◽  
Xiufeng Ma ◽  
...  

AbstractWhether differences in regulation of protein metabolism and regeneration are involved in the different phenotypic adaptation mechanisms of muscle hypertrophy and atrophy in hibernators? Two fast-type muscles (diaphragm and gastrocnemius) in summer active and hibernating Daurian ground squirrels were selected to detect changes in cross-sectional area (CSA), fiber type distribution, and protein expression indicative of protein synthesis metabolism (protein expression of P-Akt, P-mTORC1, P-S6K1, and P-4E-BP1), protein degradation metabolism (MuRF1, atrogin-1, calpain-1, calpain-2, calpastatin, desmin, troponin T, Beclin1, and LC3-II), and muscle regeneration (MyoD, myogenin, and myostatin). Results showed the CSA of the diaphragm muscle increased significantly by 26.1%, whereas the CSA of the gastrocnemius muscle decreased significantly by 20.4% in the hibernation group compared with the summer active group. Both muscles displayed a significant fast-to-slow fiber-type transition in hibernation. Our study further indicated that increased protein synthesis, decreased protein degradation, and increased muscle regeneration potential contributed to diaphragm muscle hypertrophy, whereas decreased protein synthesis, increased protein degradation, and decreased muscle regeneration potential contributed to gastrocnemius muscle atrophy. In conclusion, the differences in muscle regeneration and regulatory pattern of protein metabolism may contribute to the different adaptive changes observed in the diaphragm and gastrocnemius muscles of ground squirrels.


Author(s):  
VASUNDHARA BHOPLE ◽  
DEEPAK BHOSLE

Objective: The objective of this study was to compare the effect of chitosan, lifestyle modification, and combination of chitosan and lifestyle modification on body mass index (BMI) in obese patients. Methods: A prospective, randomized, open-label comparative study conducted for the period of 24 weeks. The study population was enrolled in three groups (chitosan 500 mg BD, lifestyle modification, and chitosan 500 mg BD and lifestyle modification). Data were analyzed using “t”-test and ANOVA. Results: There is a reduction in BMI in all the three groups. However, when we combined chitosan and lifestyle modification, there is pronounced reduction in BMI, which is statistically significant (p<0.0001). Conclusions: Chitosan and lifestyle modification have more pronounced effect on reduction on BMI as compared to monotherapy alone.


2020 ◽  
Vol 107 (2) ◽  
pp. 220-230 ◽  
Author(s):  
Soheil Biglari ◽  
Alireza Ghardashi Afousi ◽  
Farnoosh Mafi ◽  
Fatemeh Shabkhiz

AbstractObjectiveIt has been shown that high-intensity interval training (HIIT) leads to skeletal muscle hypertrophy; however, its mechanisms of cellular and molecular regulation are still unclear. The purpose of this study was to investigate the effect of HIIT on muscle hypertrophy and major signal transduction pathways.Design12 male rats were randomly divided into two groups: control and HIIT. The exercise group performed 30-min HIIT in each session (5 × 4-min intervals running at 85–95% VO2max separated by 2-min active rest at 55–60% VO2max), 3 days/week for 8 weeks. Muscle fiber cross-sectional area (CSA) and the expression of signal transduction pathway proteins were determined in the gastrocnemius muscle.ResultsIn the HIIT group, the expression of IGF-I, IGF-IR Akt, p-Akt, AMPKα, p-AMPKα and follistatin increased significantly, whereas a significant decrease was observed in the expression of FoxO1, p-FoxO1, myostatin, ActRIIB, Smad2/3 and p-Smad2/3 (P < 0.05). However, there were no significant differences between the HIIT and control groups in the expression of mTOR, p-mTOR, P70S6K, and p-P70S6K (P > 0.05). In addition, CSA and gastrocnemius muscle weight increased significantly in the HIIT group (P < 0.05).ConclusionsHIIT induced muscle hypertrophy by improving IGF-I/Akt/FoxO and myostatin/Smad signal transduction pathways.


Author(s):  
Saravanan Periyannan ◽  
Chenthamarai G

Objective: To evaluate the efficacy and tolerability of lysine cream in patients with second-degree superficial burns.Methods: In this randomized, open label, comparative study patients with second degree superficial burns received either combination of lysine cream 15% and silver sulfadiazine cream 1% or sulfadiazine cream 1% alone, twice daily for period of 4 weeks. The primary outcome, pain, discharge, size and total body surface area (TBSA) were assessed in each visits.Results: Patients in the study group showed significant change than the control group in pain, discharge, size, and TBSA during the first 4 weeks after treatment. In addition, significantly more patients in lysine group had adequate relief of itching and increased epithelialization.Conclusions: Combination of lysine cream and silver sulfadiazine cream for 4 weeks provided significant relief of pain, discharge, size, TBSA, and itching. Lysine cream was well tolerated.Keywords: Growth factor, Angiogenesis, Lysine, Body surface area.


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