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Delayed-onset muscle soreness (DOMS) is a common symptom in people participating in exercise, sport, or recreational physical activities. Several remedies have been proposed to prevent and alleviate DOMS. In 2008 and 2015, two studies have been conducted to investigate the effects of acupuncture on symptoms and muscle function in eccentric exercise-induced DOMS of the biceps brachii muscle. In 2008 a prospective, randomized, controlled, observer and subject-blinded trial was undertaken with 22 healthy subjects (22–30 years; 12 females) being randomly assigned to three treatment groups: real acupuncture (deep needling at classic acupuncture points and tender points; n = 7), sham-acupuncture (superficial needling at non-acupuncture points; n = 8), and control (n = 7). In 2015, a five-arm randomized controlled study was conducted with 60 subjects (22 females, 23.6 ± 2.8 years). Participants were randomly allocated to needle, laser, sham needle, sham laser acupuncture, and no intervention.
In both cases treatment was applied immediately, 24 and 48 hours after DOMS induction.
The outcome measures included pain perception (visual analogue scale; VAS), mechanical pain threshold (MPT), maximum isometric voluntary force (MIVF) and pressure pain threshold (PPT).
Results: In 2008, following nonparametric testing, there were no significant differences between groups in outcome measures at baseline. After 72 hours, pain perception (VAS) was significantly lower in the acupuncture group compared to the sham acupuncture and control subjects. However, the mean MPT and MIVF scores were not significantly different between groups. This lead to the conclusion, that acupuncture seemed to have no effects on MPT and muscle function, but reduced perceived pain arising from exercise-induced DOMS.
The more recent results from 2015 indicated that neither verum nor sham interventions significantly improved outcomes within 72 hours when compared with the no treatment control (P > 0.05).
Jährlich erkranken etwa 425 000 Menschen in Deutschland an Krebs. Die Tendenz ist steigend: Experten gehen davon aus, dass die Zahl der Neuerkrankungen bis zum Jahr 2030 um 50 Prozent zunehmen wird. Doch zu dieser schlechten Nachricht gibt es auch eine gute: Körperliche Aktivität und Sport können das allgemeine Risiko, an bestimmten Krebsformen zu erkranken, vermindern. Dazu zählen vor allem Darmkrebs sowie der nach den Wechseljahren auftretende Brust- und Gebärmutterschleimhautkrebs. Aber auch wer schon erkrankt ist, kann sein Wohlbefinden und Selbstvertrauen durch spezielle Bewegungsprogramme, wie sie an der Goethe-Universität entwickelt werden, steigern. Selbst die Leiden von Patienten mit fortgeschrittenen Krebserkrankungen lassen sich auf diese Weise lindern. Denn Bewegung beeinflusst nicht nur die unmittelbar tumorbedingten Symptome, sondern auch therapiebedingte Nebenwirkungen, insbesondere die der Chemotherapie.
In Deutschland sind 15 Prozent der Kinder und Jugendlichen zwischen drei und 17 Jahren übergewichtig, über 6 Prozent leiden an Adipositas, krankhafter Fettleibigkeit mit schweren gesundheitlichen Folgen. Diese vom Robert-Koch-Institut im vergangenen Jahr ermittelten Zahlen decken sich mit unseren eigenen Untersuchungen an 11- bis 15-Jährigen in sechs hessischen Schulen. Zudem zeichnet sich ab, dass die Zahl der Übergewichtigen bei den Jugendlichen besonders ansteigt: Innerhalb der vergangenen 20 Jahre hat sich der Anteil adipöser 14- bis 17-Jähriger verdreifacht, Tendenz weiter steigend. Dies ist umso besorgniserregender, da mindestens 70 Prozent dieser Jugendlichen nicht wieder abspecken und als Erwachsene gesundheitlich schwer beeinträchtigt sind. Immerhin sind in Europa jährlich etwa eine Millionen Sterbefälle auf Folgen des Übergewichts zurückzuführen, was allein die deutsche Volkswirtschaft mit 15 Milliarden Euro im Jahr belastet. Übergewicht ist auch ein soziales Problem: Kinder aus sozial schwachen Familien und mit Migrationshintergrund tragen ein erheblich höheres Risiko. Wie unsere Erhebungen weiter vermuten lassen, sind vor allem solche Kinder betroffen, deren Eltern ebenfalls unter Übergewicht oder Adipositas leiden. Fettleibige Kinder fühlen sich oft ausgegrenzt und sozial stigmatisiert. Dies beeinträchtigt ihre psychosoziale Entwicklung erheblich. Mehr als die Hälfte der von uns befragten übergewichtigen Schulkinder fühlen sich unwohl und möchten ihr Gewicht unbedingt reduzieren. ...
When sports are part of a person’s profession or education, their careers are often handicapped by pain, a complex physical and mental state that may already occur at lower career stages. This study was designed to assess the occurrence of pain among sports students and the prevalence of relevant contributing psychosocial co-factors. Exploratory cross-sectional study surveying students at 89 sports faculties of universities in the DACH region using the German Sports Pain Questionnaire. It includes several validated surveys related to pain occurrence in different body regions, injuries, pain diagnoses and pain intensity, depression, anxiety, stress, self-compassion, analgesic and alcohol consumption, as well as sleep quality, health-related quality of life and impairments of quality of life by pain. A total of 865 sports students gave consent to participate in the study, and 664 participants (78%; 23.3 ± 2.84 years, 60% female, 40% male) completed the full survey. More than half of the students (53%; n = 403) showed current pain in 2-5 regions of the body, while subjective pain tolerance was enhanced. General injuries or accidents, medically and self-diagnosed pain diagnoses during the last eight weeks were reported by 30%. A current pain intensity ≥ 3 NRS was prevalent in 28% (n = 205), which correlated with increased pain-related biopsychosocial scores. Sports students had increased scores for depression, anxiety and stress, and self-compassion was reduced (compared to age-controlled national reference data, sports students head increased scores). The mean weekly training workload was 5-7 hours. Analgesics and alcohol consumption was increased, 61% reported insomnia. Across sports students, pain and biopsychosocial burden seem significantly increased when compared to other students and age-controlled cohorts. The data implies the need of giving greater importance to pain management at least from the time of sports studies in order to prevent pain and health risks in sports.
Background: This study investigated whether work ability is associated with the duration of unemployment, heart rate variability (HRV), and the level of physical activity. Methods: Thirty-four unemployed persons (mean 55.7 ± standard deviation 33.3 years, 22 female, 12 male, unemployed: range 1–22.5 years) participated in the cross-sectional study. The Work Ability Index (WAI) and International Physical Activity Questionnaire (IPAQ) were applied. Short-term (five minutes) resting HRV (Low Frequency (LF), High Frequency (HF), Total Power (TP)) was collected. Results: Work ability was positively associated with the HRV: LF (r = 0.383; p = 0.025), HF (r = 0.412; p = 0.015) and TP (r = 0.361; p = 0.036). The WAI showed a positive linear correlation with the amount of total physical activity (r = 0.461; p = 0.006) as well as with the amount of moderate to vigorous physical activity (r = 0.413; p = 0.015). No association between the WAI and the duration of unemployment occurred. Conclusions: the relation between self-perceived work ability, health-associated parameters, the HRV and the level of physical activity points out the relevance of health-care exercise and the need of stress-reducing interventions to improve perceived work ability. Our results point out the need for the further and more holistic development of healthcare for the unemployed.
Beneficial acute effects of resistance exercise on cognitive functions may be modified by exercise intensity or by habitual physical activity. Twenty-six participants (9 female and 17 male; 25.5 ± 3.4 years) completed four resistance exercise interventions in a randomized order on separate days (≥48 h washout). The intensities were set at 60%, 75%, and 90% of the one repetition maximum (1RM). Three interventions had matched workloads (equal resistance*nrepetitions). One intervention applied 75% of the 1RM and a 50% reduced workload (resistance*nrepetitions = 50%). Cognitive attention (Trail Making Test A—TMTA), task switching (Trail Making Test B—TMTB), and working memory (Digit Reading Spans Backward) were assessed before and immediately after exercise. Habitual activity was assessed as MET hours per week using the International Physical Activity Questionnaire. TMTB time to completion was significantly shorter after exercise with an intensity of 60% 1RM and 75% 1RM and 100% workload. Friedman test indicated a significant effect of exercise intensity in favor of 60% 1RM. TMTA performance was significantly shorter after exercise with an intensity of 60% 1RM, 90% 1RM, and 75% 1RM (50% workload). Habitual activity with vigorous intensity correlated positively with the baseline TMTB and Digit Span Forward performance but not with pre- to post-intervention changes. Task switching, based on working memory, mental flexibility, and inhibition, was beneficially influenced by acute exercise with moderate intensity whereas attention performance was increased after exercise with moderate and vigorous intensity. The effect of regular activity had no impact on acute exercise effects.
Beneficial acute effects of resistance exercise on cognitive functions may be modified by exercise intensity or by habitual physical activity. Twenty-six participants (9 female and 17 male; 25.5 ± 3.4 years) completed four resistance exercise interventions in a randomized order on separate days (≥48 h washout). The intensities were set at 60%, 75%, and 90% of the one repetition maximum (1RM). Three interventions had matched workloads (equal resistance*nrepetitions). One intervention applied 75% of the 1RM and a 50% reduced workload (resistance*nrepetitions = 50%). Cognitive attention (Trail Making Test A—TMTA), task switching (Trail Making Test B—TMTB), and working memory (Digit Reading Spans Backward) were assessed before and immediately after exercise. Habitual activity was assessed as MET hours per week using the International Physical Activity Questionnaire. TMTB time to completion was significantly shorter after exercise with an intensity of 60% 1RM and 75% 1RM and 100% workload. Friedman test indicated a significant effect of exercise intensity in favor of 60% 1RM. TMTA performance was significantly shorter after exercise with an intensity of 60% 1RM, 90% 1RM, and 75% 1RM (50% workload). Habitual activity with vigorous intensity correlated positively with the baseline TMTB and Digit Span Forward performance but not with pre- to post-intervention changes. Task switching, based on working memory, mental flexibility, and inhibition, was beneficially influenced by acute exercise with moderate intensity whereas attention performance was increased after exercise with moderate and vigorous intensity. The effect of regular activity had no impact on acute exercise effects.
Fitness and exercise may counteract the detrimental metabolic and mood adaptations during prolonged sitting. This study distinguishes the immediate effects of a single bout vs. work-load and intensity-matched repeated exercise breaks on subjective well-being, blood glucose, and insulin response (analyzed as area under the curve) during sedentary time; and assesses the influence of fitness and caloric intake on metabolic alterations during sedentariness. Eighteen women underwent cardiopulmonary exercise testing and three 4 h sitting interventions: two exercise interventions (70% VO2max, 30 min, cycle ergometer: (1) cycling prior to sitting; (2) sitting interrupted by 5 × 6 min cycling), and one control condition (sitting). Participants consumed one meal with ad libitum quantity (caloric intake), but standardized macronutrient proportion. Exercise breaks (4057 ± 2079 μU/mL·min) reduced insulin values compared to a single bout of exercise (5346 ± 5000 μU/mL·min) and the control condition (6037 ± 3571 μU/mL·min) (p ≤ 0.05). ANCOVA revealed moderating effects of caloric intake (519 ± 211 kilocalories) (p ≤ 0.01), but no effects of cardiorespiratory fitness (41.3 ± 4.2 mL/kg/min). Breaks also led to lower depression, but higher arousal compared to a no exercise control (p ≤ 0.05). Both exercise trials led to decreased agitation (p ≤ 0.05). Exercise prior to sitting led to greater peace of mind during sedentary behavior (p ≤ 0.05). Just being fit or exercising prior to sedentary behavior are not feasible to cope with acute detrimental metabolic changes during sedentary behavior. Exercise breaks reduce the insulin response to a meal. Despite their vigorous intensity, breaks are perceived as positive stimulus. Detrimental metabolic changes during sedentary time could also be minimized by limiting caloric intake.
Background: The positive association between parental socio-economic position (PSEP) and health among adolescents may be partly explained by physical activity behaviour. We investigated the associations between physical activity, aerobic fitness and PSEP in a population based sample of German adolescents.
Methods: 5,251 participants, aged 11-17 years, in the German Health Interview and Examination Survey for Children and Adolescents 2003-2006 (KiGGS) underwent a sub-maximal cycle ergometer test and completed a questionnaire obtaining information on physical activity and media use. The associations between physical activity, media use, aerobic fitness and PSEP were analysed with multivariate logistic regression models for boys and girls separately. Odds ratios (ORs) of PSEP (education, occupation and income) on the outcomes were calculated adjusted for age, region, and other influencing factors.
Results: Parental education was more strongly associated with the outcome variables than parental occupation and income. After adjusting for age and region, a higher parental education level was associated with better aerobic fitness - with an OR of 1.5 (95% CI 1.2-1.9) for girls whose parents had secondary education and 1.9 (1.4-2.5) for girls whose parents had tertiary education compared to girls whose parents had primary education. The corresponding ORs for boys were 1.3 (1.0-1.6) and 1.6 (1.2-2.1), respectively. Higher parental education level was associated with lower media use: an OR of 2.1 (1.5-3.0) for girls whose parents had secondary education and 2.7 (1.8-4.1) for girls whose parents had primary education compared to girls whose parents had tertiary education. The corresponding ORs for boys were 1.5 (1.2-1.9) and 1.9 (1.5-2.5), respectively. Higher parental education level was associated with a higher physical activity level only among girls: an OR of 1.3 (1.0-1.6) for girls whose parents had secondary education and 1.2 (0.9-1.5) for girls whose parents had tertiary education compared to girls whose parents had primary education. The corresponding ORs for boys were 0.9 (0.8-1.2) and 0.8 (0.6-1.0), respectively.
Conclusions: Adolescents of parents with low SEP showed a lower level of aerobic fitness and higher levels of media use than adolescents of parents with higher SEP. Health-promotion interventions need to reach adolescents of parents with low PSEP and stimulate physical activity.
Background: The focus of this case report is on the role of inflammation as a contributor to pain in plantar fasciitis and its cure by the injection of local anesthetics.
Case presentation: This is a case report on a 24-year-old white man, a middle-distance runner, with chronic unilateral plantar fasciitis and perceived heel pain for almost 1.5 years. He was treated with neural therapy (that is, injection of < 1 ml procaine 1% which is a local anesthetic with strong anti-inflammatory properties) of the surgical scar and along the surgical puncture channel. The follow-up period from the time of first presentation until publication was 2.5 years. At admission, pain intensity (visual analog scale) in the affected leg was severe (10 cm, visual analog scale; range 0–10 cm) when walking and moderate (5 cm, visual analog scale) when standing. After the first session of injections he could stand pain-free and pain when walking was markedly reduced (− 90%). After the third session, he reported no pain in the affected leg and could return to sports at his former level (no difference in training load compared to non-injured state). There was no recurrence of inflammatory signs or heel pain despite intense athletics training up to the date of publication.
Conclusions: In prolonged cases of plantar fasciitis, inflammation is an important component in the development of persistent pain. The results of our case describe the effects of three neural therapy sessions that abolished inflammation and associated heel pain. Neural therapy might be an effective and time-efficient approach in the treatment of plantar fasciitis, enabling an early return to sports.