Biomechanical characteristics on ball games for male youth with different body mass index based on anybody simulation and electromyogram test / 中国组织工程研究

BACKGROUND: Anybody’s musculoskeletal modeling system simulates the relationship between human skeleton, muscle and environment by using mathematical modeling technology. It can study the reverse dynamics of human body and obtain the maximum muscle strength of three lower limb joints. OBJECTIVE: To study the lower extremity muscle strength values of 24 male college students with different body mass indexes in one cycle of sitting Swiss ball, and to compare the mean root-mean-square of the subjects in sitting Swiss ball and bench. METHODS: Twenty-four male college students were divided into normal group, overweight group and obesity group according to body mass index. BTS 3D infrared motion capture system, Kistler 3D dynamometer and BTS surface electromyography system were used to record the dynamic and electromyographic parameters simultaneously. The differences in muscle force and electromyographic parameters between different groups were qualitatively compared by one-way analysis of variance, and the mean differences were compared by quantitative difference analysis. RESULTS AND CONCLUSION:(1) In terms of muscle strength, from sitting to standing, compared with the obese group, the normal group showed significant differences in rectus femoris, semimememial muscle, biceps femoris longhead, popliteal muscle, soleus muscle and tibial anterior muscle (P < 0.05, 0.47 ≤ QD < 0.80), and the quadratus femoris muscle and pectineus muscle showed significant differences (P < 0.01, QD ≥ 0.80). There was a significant difference in muscle strength of quadratus femoris between the obese group and the overweight group (P < 0.05, 0.47 ≤ QD < 0.80). From standing to sitting, there were significant differences in muscle strength of sartorus, extensor pollicis, and gastrocneum between the normal group and the obese group (P< 0.05, 0.47 ≤ QD < 0.80). (2) In terms of root-mean-square electromyogram value, from sitting to standing, the biceps femoris and gastrocnastus muscles in the normal group were significantly different from those in the obese group (P < 0.05, 0.47 ≤  QD < 0.80); from standing to sitting, rectus femoris muscles in the normal group were significantly different from those in the obese group (P < 0.05,  0.47 ≤ QD < 0.80). In the Swiss ball sitting state, from sitting to standing, the tibial anterior muscle and biceps femoris were significantly different between the normal group and the obese group (P < 0.05, 0.47 ≤ QD < 0.80). From standing to sitting, the electromyogram values of gastrocnemius muscle and right erector spine muscle were significantly different between the normal group and the obese group (P < 0.05, 0.47 ≤ QD < 0.80). These findings indicated that (1) In each group of BMI, the dominant muscle generation from sitting to sitting was gluteus medius muscle, vastus lateralis muscle, biceps longus muscle, rectus femoris muscle, gastrocnemius muscle, tibia anterior muscle and soleus muscle; and from standing to sitting, gluteus medius muscle, vastus lateralis muscle, biceps longus muscle, gastrocnemius muscle, tibia anterior muscle and soleus muscle. (2) Compared with the sitting stool, the subjects had higher root-mean-square of tibial anterior muscle, rectus femoris muscle, biceps femoris muscle and gastrocnemius muscle when sitting Swiss ball.

The Effects Of Lumbar Stabilization Exercises On A Swiss Ball In Patients With Mechanical Low Back Pain

Background: Mechanical low back pain is one of the most common causes of discomfort amongst people all over. There are various exercises to reduce low back pain. Swiss ball exercises are one of the dynamic exercises which increase muscle strength, endurance, balance, and flexibility of the trunk while the individual leans on a swiss ball. Therefore the purpose of this study was to check the effects of lumbar stabilization exercises on a swiss ball in patients with mechanical low back pain. Methods: Forty participants out of which 30 were females and 10 were males who were suffering from mechanical low back pain between the age group of 20 to 60 years were included. They were divided into two groups, with each group having 20 subjects. One group was taught floor exercises, and the other was taught swiss ball exercises for two weeks thrice a week,i.e., six days. The pain and disability were checked with the Numeric Rating Scale, and Roland Morris Questionnaire scores respectively pre and post-intervention. Results: On comparison of the difference between both the groups the mean difference in the NRS and RMQ scores for floor group was one ± 1 and 0.75 ± 1.6(p<0.05). The mean difference in the NRS and RMQ scores for swiss ball group was 2.6 ± 0.5 and 3.7 ± 1.26(p<0.05). Conclusion: We can conclude that lumbar stabilization exercises on a swiss ball are effective in reducing mechanical low back pain compared to exercises done on the static surface.

Swiss ball exercises improve muscle strength and walking performance in ankylosing spondylitis: a randomized controlled trial / Exercícios na bola suíça melhoram a força muscular e o desempenho na caminhada na espondilite anquilosante: estudo clínico, controlado e randomizado

ABSTRACT Objective: The purpose was to evaluate the effectiveness of a progressive muscle strengthening program using a Swiss ball for AS patients. Methods: Sixty patients with AS were randomized into the intervention group (IG) or the control group (CG). Eight exercises were performed by the IG patients with free weights on a Swiss ball two times per week for 16 weeks. The evaluations were performed by a blinded evaluator at baseline and after 4, 8, 12 and 16 weeks using the following instruments: the one-repetition maximum test (1 RM), BASMI, BASFI, HAQ-S, SF-36, 6-minute walk test, time up and go test, BASDAI, ASDAS, ESR and CRP dosage and Likert scale. Results: There was a statistical difference between groups for: strength (1 RM capacity) in the following exercises: abdominal, rowing, squat, triceps and reverse fly (p < 0.005); 6-minute walk test (p < 0.001); timed up and go test (p = 0.025) and Likert scale (p < 0.001), all of them with better results for the IG. No differences were observed between the groups with respect to the functional capacity evaluation using the BASFI, HAQ-S, BASMI, SF-36, TUG, ASDAS, ESR and CPR dosage. Conclusions: Progressive muscle strengthening using a Swiss ball is effective for improving muscle strength and walking performance in patients with AS.

RESUMO Objetivo: Avaliar a efetividade de um programa de fortalecimento muscular progressivo com o uso de uma bola suíça em pacientes com espondilite anquilosante (EA). Métodos: Sessenta pacientes com EA foram randomizados em grupo intervenção (GI) ou grupo controle (GC). Os pacientes com EA fizeram oito exercícios com pesos livres em uma bola suíça duas vezes por semana durante 16 semanas. As avaliações foram feitas por um avaliador cego no início do estudo e após quatro, oito, 12 e 16 semanas com os seguintes instrumentos: teste de uma repetição máxima (1 RM), Basmi, Basfi, HAQ-S, SF-36, teste de caminhada de seis minutos, Timed up and go test, Basdai, Asdas, dosagem de VHS e PCR e escala de Likert. Resultados: Houve uma diferença estatisticamente significativa entre os grupos em relação à força (capacidade no teste de 1 RM) nos seguintes exercícios: abdominal, remada, agachamento, tríceps e crucifixo invertido (p < 0,005); teste de caminhada de seis minutos (p < 0,001); Timed up and go test (p = 0,025); e escala de Likert (p < 0,001), todos com melhores resultados no GI. Não foram observadas diferenças entre os grupos em relação à avaliação da capacidade funcional com Basfi, HAQ-S, Basmi, SF-36, TUG, Asdas, VHS e dosagem de PCR. Conclusões: O fortalecimento muscular progressivo com uma bola suíça é efetivo em melhorar a força muscular e o desempenho na caminhada em pacientes com EA.

Trunk exercise using the Swiss ball improves the functional balance and walking of stroke patients in the early stages of recovery / 中华物理医学与康复杂志

Objective To examine the effects of trunk exercises performed using a Swiss ball on functional balance and walking in the early stage of recovering from a stroke.Metbods Sixty hemiplegic stroke patients were randomly assigned to a control group or an experimental group,each of 30.Both groups were treated with routine physical training.Those in the control group did conventional trunk exercises,while the patients in the experimental group were given trunk exercises performed using a Swiss ball.The trunk control test (TCT) and the Berg Balance Scale (BBS) were used to assess the patients' trunk and balance function.Gait and balance function training and assessment apparatus (model AL-080) was used to measure and compare the scope of movement of the patient's center of pressure in static sitting over 30 seconds (LOM),the limits of stability (LOS),velocities and a gait asymmetry index (GAI).Results Significant improvements in TCT,BBS,LOM and LOS were observed in both groups after the training,but all of the measures improved significantly more in the experimental group than in the control group.Conclusions Swiss ball trunk exercise can obviously improve the trunk control,functional balance and walking of stroke patients in the early stages of recovery.

Swiss ball to relieve pain of primiparous in active labor / A bola suiça no alivio da dor de primigestas na fase ativa do trabalho de parto

BACKGROUND AND OBJECTIVES: The Swiss ball has been widely used in different health sectors. It is considered effective to relieve pain and to help labor evolution, however there are few studies. This study aimed at evaluating the effect of the Swiss ball on pain relief and active labor duration of primiparous. METHODS: This is a randomized and controlled study with 40 primiparous divided in control group and ball group, who carried out pelvic mobility exercises for 30 minutes during active labor. Pain was measured by the numeric categorical scale, before and after therapy, by an assistant researcher. Labor duration was investigated by means of the partograph. RESULTS: There has been significant pain decrease in the study group (p<0.001). There has been no difference between groups in labor duration (p=0.37). CONCLUSION: The Swiss ball was an effective tool to relieve pain in the beginning of this period and should be encouraged by health professionals assisting parturients. .

JUSTIFICATIVA E OBJETIVOS: A bola suíça tem sido amplamente utilizada nos diversos setores da saúde. É considerada eficaz no alívio da dor e evolução do trabalho de parto, porém há poucos estudos. O objetivo deste trabalho foi avaliar o efeito da bola suíça no alívio da dor e na duração da fase ativa do trabalho de parto em primigestas. MÉTODOS: Trata-se de um estudo randomizado e controlado com 40 primigestas divididas em grupo controle e grupo bola, que realizaram exercícios de mobilidade pélvica durante 30 minutos na fase ativa do trabalho de parto. A dor foi mensurada por meio da escala de categoria numérica, antes e após a terapêutica, por um pesquisador auxiliar. A duração do trabalho de parto foi investigada por meio do partograma. RESULTADOS: Foi observada redução significativa da dor no grupo de estudo (p<0,001). Não houve diferença entre os grupos quanto à duração do trabalho de parto (p=0,37). CONCLUSÃO: A bola suíça foi um recurso efetivo no alívio da dor no início desse período, devendo ser incentivada pelos profissionais de saúde que assistem parturientes. .