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At least 145 records · Page 8Linked to original sources

Dance training intensity at 11-14 years is associated with femoral torsion in classical ballet dancers.

OBJECTIVE: To examine in a cross sectional study the influence of femoral torsion (FT) and passive hip external rotation (PER) on turnout (TO). Starting age, years of classical ballet training, and current and past dance training intensity were assessed to determine their influence on FT, PER, and TO in pre-professional female dancers. METHODS: Sixty four dancers (mean (SD) age 18.16 (1.80) years) were recruited from four different dance training programmes. They completed a dance history questionnaire. FT was measured using a clinical method. PER was measured with the subjects prone, and TO was measured with the subjects standing. RESULTS: Mean TO was 136 degrees, mean unilateral PER was 49.4 degrees, and mean FT was 18.4 degrees. A positive correlation was observed between PER combined (PERC) and TO (r = 0.443, p < 0.001). A negative association was found between FT combined (FTC) and PERC (r = -0.402, p = 0.001). No association was found between starting age or years of classical ballet training and FTC, PERC, or TO. Dancers who trained for six hours a week or more during the 11-14 year age range had less FT than those who trained less (mean difference 6 degrees, 95% confidence interval 1.4 to 10.3). Students currently training for longer had higher levels of TO (p < 0.001) but comparable PERC and FTC. CONCLUSION: FT is significantly associated with PERC. Dancers who trained for six hours a week or more at 11-14 years of age had significantly less FT. FTC had a significant influence on PERC, but no influence on the execution of TO.

Adolescent↗

11- to 15-Year-old children of women who danced during their pregnancy.

AIM: To determine whether high levels of maternal physical activity (dancing during pregnancy), influenced the offspring. MATERIALS AND METHODS: Sixty-four women (32 of whom had continued to dance for at least 2 months after the beginning of pregnancy) filled in a questionnaire to assess the health and behavior of their offspring, now 11-15 years of age. RESULTS: More children born from women who had continued to dance during pregnancy needed to be rocked to sleep during their first year (p < 0.05). More children in the study group played musical instruments (p < 0.05). There were no significant differences between the groups regarding other parameters. CONCLUSIONS: The greater need to be rocked to fall asleep and the attitude to play musical instruments recorded in the children of dancers may be related to prenatal maternal movement. But they may also be due to other causes as discussed.

Adolescent↗

Stress on the dance floor: the cortisol stress response to social-evaluative threat in competitive ballroom dancers.

The social self-preservation theory states that humans have a fundamental motivation to preserve the social self and that threats to the social self perturb biological markers such as cortisol. Five studies were designed to examine the cortisol response to competitive ballroom dancing as a paradigm for real-life social-evaluative threat. Competitive dancing produced substantial increases in cortisol compared to a control day. These increases were not due to the physical strain of dancing and were greater than those found during social-evaluative laboratory stressors. Responses did not habituate across competitions and were mostly elevated under highly focused conditions of threat (couple vs. group competition). These findings support the notion of a social self-preservation system that is physiologically responsive to threats to the social self.

Adolescent↗

Injuries in a modern dance company: effect of comprehensive management on injury incidence and time loss.

BACKGROUND: Professional dancers experience high rates of musculoskeletal injuries. OBJECTIVE: To analyze the effect of comprehensive management (case management and intervention) on injury incidence, time loss, and patterns of musculoskeletal injury in a modern dance organization. STUDY DESIGN: Retrospective/prospective cohort study. METHODS: Injury data were analyzed over a 5-year period, 2 years without intervention and 3 years with intervention, in a modern dance organization (42 dancers). The number of workers' compensation cases and number of dance days missed because of injury were compared across a 5-year period in a factorial design. RESULTS: Comprehensive management significantly reduced the annual number of new workers' compensation cases from a high of 81% to a low of 17% and decreased the number of days lost from work by 60%. The majority of new injuries occurred in younger dancers before the implementation of this program. Most injuries involved overuse of the lower extremity, similar to patterns reported in ballet companies. Benefits of comprehensive management included early and effective management of overuse problems before they became serious injuries and triage to prevent overutilization of medical services. CONCLUSIONS: This comprehensive management program effectively decreased the incidence of new cases and lost time. Both dancers and management strongly support its continuance.

Adult↗

Exotic dancing and health.

The health and safety of women who work as exotic dancers are firmly embedded within the social organization of the strip club and the broader social, economic and political context of the work of exotic dancing. Exotic dancers in this study expressed health concerns associated with: the effects of costuming and appearance requirements; dirty work environments; problems due to stigmatization, sexual harassment and assault; and police disinterest or victim blaming. The balance between benefits and hazards related to exotic dancing is influenced not only by the personal choices made by dancers, but also by the organization of the strip club and the broader context within which exotic dancing takes place.

Adolescent↗

Physiological monitoring of cardiorespiratory adaptations during rehearsal and performance of contemporary dance.

Previous research has shown that dance class and rehearsal stress different cardiorespiratory energy systems than dance performance. The aim of the present study was to monitor the physiological parameters of a number of dancers during a 12-week rehearsal period and an 8-week performance schedule. Seventeen dancers (8 men and 9 women) from 2 companies undertook the multistage dance specific aerobic fitness test before the rehearsal period, before the performance period, and after the performance period. Heart rate data were collected throughout the test; the mean heart rate during stage 5 and blood lactate levels were measured at the end of the test. No significant changes in heart rate or lactate parameters were noted between the prerehearsal and preperformance tests, but significant decreases during the preperformance and postperformance tests were shown in both parameters (p < 0.01 and p < 0.01, respectively), which suggests an increase in the subjects' aerobic capacities during the performance period. Implications from the present study suggest that dancers are not adequately physiologically prepared to perform to the same degree to which their skills are honed. The study suggests that supplemental training is required to bridge this physical gap and better prepare the dancer for performance.

Adaptation, Physiological↗

Analysis of the assessment of caloric expenditure in four modes of aerobic dance.

Aerobic dance has been purported to help with weight management; however, it is not known if various forms of dance are as effective as traditional modalities. This study estimated energy expenditure by heart rate for 28 women participating in 4 modes of aerobic dance (Bodycombat [i.e., TAEBO]; Pump; Step; and RPM [i.e., spinning]) compared to 2 running speeds. Pump had significantly (p < 0.01) lower energy expenditure (8.0 +/- 1.6 kcal.min(-1)) compared to the other classes (RPM: 9.9 +/- 1.9 kcal.min(-1); Step: 9.6 +/- 1.8 kcal.min(-1); and Bodycombat: 9.7 +/- 2.0 kcal.min(-1)) and running at 8.05 km.h(-1) (9.16 +/- 1.53 kcal.min(-1)). Also, Step (p < 0.01), Bodycombat (p < 0.01), and RPM (p < 0.01) had significantly higher caloric expenditures than running at 8.05 km.h(-1) but significantly lower than running at 8.37 km.h(-1) (10.30 +/- 1.72 kcal.min(-1)). In conclusion, RPM, Bodycombat, and Step aerobics were equally as effective as jogging between 8.05 and 8.37 km.h(-1), and they met American College of Sports Medicine guidelines for weight modification and maintenance. Additionally, heart rate assessment provided a quantitative method for estimating energy expenditure and the effectiveness of different aerobic programs.

Adult↗

[Dance therapy in laryngectomy patients: our experience].

This study describes the first contact of laringectomized people with dance in the Group of Support to Ostomized-Laringectomized Patients. This study aimed at searching for elements about the therapeutic and educative importance of dance to them. The technique utilized was group dynamics with the participation of twenty patients. Music and body movements were resources employed for the development of therapy through dance. Results showed a good involvement of the patients in the dynamics though verbal and non-verbal language as well as a decrease in stress.

Dance Therapy↗

Low impact aerobic dance as a useful exercise mode for reducing body mass in mildly obese middle-aged women.

The purpose of this study was to test the hypothesis that a low impact aerobic dance is a useful exercise mode for weight loss in obese middle-aged women. Sixty Japanese women, aged 50.9 +/- 6.7 years (initial %fat = 35.2 +/- 5.3%), participated in our 3-month weight-loss program consisting of diet and exercise prescription. To compare the effectiveness of exercise modes, the subjects were divided into the following two groups: aerobic dance group and jogging and/or cycling group. As a result, body mass (-3.1 and -3.3 kg respectively) and %fat (-6.1 and -5.3% respectively) significantly decreased (P < 0.05) in both groups, while fat-free mass remained essentially unchanged. Aerobic power such as maximal oxygen uptake and oxygen uptake corresponding to lactate threshold significantly increased (P < 0.05) in both groups. Significant difference in the alterations in these variables between groups could not be seen. The data of this study indicates that our weight-loss program with a low impact aerobic dance is as useful as jogging or cycling in improving body composition and aerobic power for mildly obese middle-aged women.

Aerobiosis↗

Relation of dance skills to body cathexis and locus of control orientation.

33 subjects provided measures on extent of dance training, dance performance, locus of control orientation, and three measures of body cathexis. Pearson product-moment correlations yielded significant, though modest, positive relations between three measures of body cathexis and performance, and between time dancing and the Levenson Internal scale; and a negative relation between body cathexis and the Levenson Chance scale.

Body Image↗

Twisting the night away: the effects of all night disco dancing on reaction time.

8 subjects performed an unprepared simple reaction time task for 20 min. every 2 hr. while taking part in an all night disco dancing marathon (continuous exercise) and during a control (no exercise) night. Mean reaction times were significantly faster and less variable during the dance marathon. It was suggested that the effects of continuous exercise in the form of disco dancing may be to reduce drowsiness which in turn assists performance.

Adolescent↗

[The effects of a Korean traditional dance movement program in elderly women].

PURPOSE: This study was aimed to identify the effects of a 12 week Korean traditional dance movement program on balance, depression, medical cost, medical institution's utilization and fall among elderly women. METHODS: Using a quasi-experimental design, the experimental group was composed of 130 subjects and the control group was composed of 123 subjects. The experimental group participated in a 12 week Korean traditional dance movement program 3 times a week from December 2002 to February 2003. Data was analyzed with descriptive statistics, the chi-square test, paired t-test and t-test. RESULTS: There was significant improvement in balance (right leg p=.000, left leg p=.004), depression (p=.000), and the medical institution's utilization (p=.001) and fall (p=.002) in the experimental group compared to the control group. CONCLUSION: A Korean traditional dance movement program improved balance, depression, and decreased fall and medical cost in elderly women. Therefore, we recommend this program be utilized as a health promoting program and falls preventing program for the elderly in the community.

Accidental Falls↗

[Dance therapy in the treatment of psychiatric and somatic disorders].

The article is an attempt of review of recent achievements in dance therapy. It presents possibilities of introducing dance into the treatment of psychiatric disturbances (psychoses, dementias, neurotic disorders) and somatic disorders (rheumatoid arthritis, osteoporosis, terminal stages). The authors basing on the contemporary literature describe positive results of dance therapy in various clinical situations.

Arthritis, Rheumatoid↗

Dance and reducing television viewing to prevent weight gain in African-American girls: the Stanford GEMS pilot study.

OBJECTIVE: To test the feasibility, acceptability, and potential efficacy of after-school dance classes and a family-based intervention to reduce television viewing, thereby reducing weight gain, among African-American girls. DESIGN: Twelve-week, 2-arm parallel group, randomized controlled trial. SETTING: Low-income neighborhoods. PARTICIPANTS: Sixty-one 8-10-year-old African-American girls and their parents/guardians. INTERVENTIONS: The treatment intervention consisted of after-school dance classes at 3 community centers, and a 5-lesson intervention, delivered in participants' homes, and designed to reduce television, videotape, and video game use. The active control intervention consisted of disseminating newsletters and delivering health education lectures. MAIN OUTCOME MEASURES: Implementation and process measures, body mass index, waist circumference, physical activity measured by accelerometry, self-reported media use, and meals eaten with TV. RESULTS: Recruitment and retention goals were exceeded. High rates of participation were achieved for assessments and intervention activities, except where transportation was lacking. All interventions received high satisfaction ratings. At follow up, girls in the treatment group, as compared to the control group, exhibited trends toward lower body mass index (adjusted difference = -.32 kg/m2, 95% confidence interval [CI] -.77, .12; Cohen's d = .38 standard deviation units) and waist circumference (adjusted difference = -.63 cm, 95% CI -1.92, .67; d = .25); increased after-school physical activity (adjusted difference = 55.1 counts/minute, 95% CI -115.6, 225.8; d = .21); and reduced television, videotape, and video game use (adjusted difference = -4.96 hours/week, 95% CI -11.41, 1.49; d = .40). The treatment group reported significantly reduced household television viewing (d = .73, P = .007) and fewer dinners eaten while watching TV (adjusted difference = -1.60 meals/week, 95% CI -2.99, -.21; d = .59; P = .03). Treatment group girls also reported less concern about weight (d = .60; P = .03), and a trend toward improved school grades (d = .51; P = .07). CONCLUSIONS: This study confirmed the feasibility, acceptability, and potential efficacy of using dance classes and a family-based intervention to reduce television viewing, thereby reducing weight gain, in African-American girls.

Black or African American↗

The heart rate VO2 relationship of aerobic dance: a comparison of target heart rate methods.

The purpose of this study was to examine the relationship between heart rate (HR) and oxygen consumption (VO2) for aerobic dance exercise. Therefore, eleven females completed 20 minutes of aerobic dance with continuous monitoring of HR and VO2. These physiological responses were analyzed with correlation/regression techniques. The results showed that for aerobic dance to produce a response in excess of 50% of VO2 max, the target HR must be approximately 80% of the age-predicted HR max or greater. In contrast, previously reported data for treadmill running shows that 50% of VO2 max is achieved at approximately 65% of age-predicted HR max in females. The maximum heart rate reserve (Karvonen) method was also found to underestimate the actual VO2 of AD. With the Karvonen method, the target heart rate must approximate 65% of maximum HR reserve in order to elicit a VO2 response which is representative of 50% of VO2 max. These data support recent research which illustrates that target heart rate prescriptions derived from treadmill testing may fail to accurately place AD participants in the recommended training zone.

Adult↗

Cardiovascular responses to aerobic step dance sessions with and without appendicular overload.

AIM: Several studies showed that exercise intensity during aerobic step dance can be modified varying stepping rate, bench height and manipulating body mass using hand held or adding loads to the torso. The aim of this study was to determine the cardiovascular responses during aerobic step dance using an overload strategy not yet investigated: appendicular overload. METHODS: Ten healthy and moderately trained women (mean+/-SD: age 27+/-3.4 years, height 167.8+/-4.6 cm, body mass 55.7+/-4.7 kg, body mass index 19.8+/-1.6, VO2max44.4+/-6.1 mLxkg-1xmin-1) performed an incremental treadmill test to determine VO2peak, the VO2-heart rate (HR) and rating of perceived exertion (RPE)-HR relationships. Within 1 week from the laboratory test, the subjects performed two identical aerobic step dance routines: one using a track suit with loads placed in pockets close to the legs and arms and another without overload. RESULTS: The appendicular overload (10% of body mass) significantly increased the exercise intensity from 84.5% to 89.8% of HRmax corresponding to 68.9% and 78.3% of VO2peak, respectively (P<0.01). Similarly, RPE increased from 12.1 to 15.7 (P<0.001). The estimated VO2 and the caloric expenditure rose from 30.3 to 34.7 mLxkg-1xmin-1 and from 251 to 288 kcal, respectively. CONCLUSION: This study shows that the use of appendicular overload significantly increases the energy cost of aerobic step session similarly to other overload strategies already reported in the literature.

Adult↗

Dance as a therapy for cancer prevention.

Even though the field of medicine has developed tremendously, the wide variety of cancer is still among chronic and life threatening disease today. Therefore, the specialists constantly research and try every possible way to find cure or preventive ways to stop its further development. For this reason, studies concerning the chronic disease such as cancer have been spread to many different fields. In this regard, many other alternative ways besides medicine, are used in prevention of cancer. Nutritional therapy, herbal therapy, sportive activities, art therapy, music therapy, dance therapy, imagery, yoga and acupuncture can be given as examples. Among these, dance/movement therapy which deals with individuals physical, emotional, cognitive as well as social integration is widely used as a popular form of physical activity. The physical benefits of dance therapy as exercise are well documented. Studies have shown that physical activity is known to increase special neurotransmitter substances in the brain (endorphins), which create a state of well-being. And total body movement such as dance enhances the functions of other body systems, such as circulatory, respiratory, skeletal, and muscular systems. Regarding its unique connection to the field of medicine, many researches have been undertaken on the effects of dance/movement therapy in special settings with physical problems such as amputations, traumatic brain injury, and stroke, chronic illnesses such as anorexia, bulimia, cancer, Alzheimer's disease, cystic fibrosis, heart disease, diabetes, asthma, AIDS, and arthritis. Today dance/movement therapy is a well recognized form of complementary therapy used in hospitals as well as at the comprehensive clinical cancer centres.

Chronic Disease↗

[Dance and psychotherapy--possibilities and limits].

From a starting point of therapeutic and prophylactic components identifiable in the dance, the authors regard the dance as deserving of greater attention than was hitherto the case in programs of physiotherapy, psychotherapy, and sociotherapy. From the existing essays at a therapy basing on body and motion, they infer basic common points, and to promote discussion, they state their attitudes in respect of the potential and rank of the dance in the concept of complex multimodal psychotherapy.

Combined Modality Therapy↗