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At least 109 records · Page 6Linked to original sources
PubMed2001

Patterns of recreational drug use at dance events in Edinburgh, Scotland.

AIMS: To describe the patterns of drug use at dance (rave) events in terms of prevalence, frequency, type of drugs used, patterns of use, access and risk-associated behaviours. DESIGN: Self-selecting participant-completed survey. SETTING: Three dance events in Edinburgh, Scotland, UK. PARTICIPANTS: One hundred and twenty-two drug users (57% males, 43% females), 90% of whom were in employment or education, with an age range of 16-47, 80% between 18 and 23 years. MEASUREMENTS: Participants who answered 'yes' to the question 'Have you used drugs for dance events in the past year' reported (i) the prevalence, types and frequency of drugs used; (ii) prevalence and contents of mixing drugs; (iii) accessing drugs; and (iv) engagement with drug-associated risk behaviours. FINDINGS: Over 80% of the participants had used ecstasy and amphetamine, over 30% cocaine and LSD; over 10% nitrites, psilocybin and ketamine and less than 5% had used crack or tranquillizers. Participants reported regular consumption of ecstasy and amphetamine (e.g. 35% used ecstasy and 25% amphetamine on a weekly basis) often taken in combination, with the occasional use of cocaine, LSD, ketamine and psilocybin. Poly- and mixing-drug behaviours were significantly more likely than monodrug usage. Drugs were accessed through friends than from any other source. Eighty-five per cent reported mixing drugs and/or alcohol, 35% driving on drugs, 36% having a bad experience on drugs; 30% unprotected sex; and 0.9% injecting drugs. Women in the sample reported higher consumption than men. CONCLUSIONS: Dance-drug use has a characteristic pattern that has implications for health promotion and criminal policy.

Adolescent↗
PubMed1995

Maternal and fetal responses to low-impact aerobic dance.

The purpose of this study was to compare the physiologic responses to low-impact aerobics using treadmill walking as a control. Ten pregnant women between 21 and 28 weeks of gestation completed 40 minutes of low-impact aerobic dance. The maternal and fetal responses were then compared to 40 minutes of walking at the same heart rate. The aerobics program consisted of a 10-minute warm-up, 20 minutes of high-intensity exercise, and 10 minutes of decreasing intensity. Heart rates were recorded every 5 minutes, and oxygen uptake (VO2) and fetal response (real-time ultrasound) were obtained every 10 minutes. The maternal heart rates were similar during both trials (overall, 133 +/- 6 beat/min). VO2 values during walking were about 4 mL/kg/min greater than during aerobic dance (p < or = 0.003). Minute ventilation (VE) was also greater during walking (28.7 +/- 6.4 versus 24.1 +/- 3.4 L/min, p < or = 0.001). Respiratory exchange ratios and the ventilatory equivalents for oxygen (VE/VO2) were similar for both trials. Aerobic dance caused greater fetal heart rates than walking (p < or = 0.001), differences being as high as 25 beat/min. The fetal rates had returned toward rest within 5 minutes following exercise. Low-impact aerobic dance, compared with walking at similar heart rates, results in a lower maternal metabolic rate and increases the transient stress on the fetus.

Adult↗
PubMed1995

The effects of cadence, impact, and step on physiological responses to aerobic dance exercise.

The physiological responses to aerobic dance exercise of varied impact (high, low), step (less arm movement vs. more arm movement), and cadence (124 vs. 138 beats.min-1) were investigated. Experienced, female aerobic dancers (N = 16) performed activities that combined the levels of impact and step for 3 trials of 8-min each. Dependent variables included heart rate, percentage of maximal heart rate, oxygen consumption, percentage of maximal oxygen consumption, and respiratory exchange ratio. Repeated measures analyses of variance indicated a significant Impact x Step interaction whereby oxygen consumption was greater for the high impact-less arm movement activity (jog), while the low impact-more arm movement activity (power jack) was greater for heart rate. The interaction of aerobic dance characteristics (e.g., impact, arm movement) that may alter physiological responses to aerobic dance exercise should be identified in future aerobic dance routines and studies.

Adult↗
PubMedDate not supplied

Ankle biomechanics of ballet dancers in relevé en pointé dance.

The objective of this study was to study the ankle biomechanics in relevé en pointé of ballet dancers and to investigate the symmetry between dominant and nondominant sides. A three-dimensional motion analysis system and two force platforms were used to collect segmental motion and ground reaction force data during relevé en pointé dancing. Thirteen ballet dancers, each of whom had over 5 years' dance experience (11.37 +/- 3.9 years), were recruited for this study. The results showed that ankle movement patterns were highly correlated (ICC = 0.99) in bilateral comparisons, but only moderate correlation was found in ankle joint moment patterns (ICC = 0.66). The nonldominant ankle showed the same excursion patterns, but different joint moments, when compared to the dominant ankle in relevé en pointé. The indication was that the two ankle joints may play different roles in controlling balance and movements throughout the entire period of the dance movements. Ankle bionmechanical patterns of the fiundamental ballet dance movement, relevé en pointé, also were constructed in this study to help interpret and understand the bilateral ankle joint excursion pattern.

Adult↗
PubMed1976

Dance in physical rehabilitation.

Dance shows promise as an efficient, effective, and exhilarating physical therapy modality, with inherent sources of motivation for long-term neurological and orthopedic patients in a hospital or community setting. Four years' experience in adapting dance to the purpose of therapy in a group setting is described. The dance program developed combines the theories and techniques of physical therapy with the expressive, creative, and intellectual challenge of dance using music and other artistic motivating stimuli. Several dimensions of the modality are discussed and positive results are noted, through concrete illustrations.

Chronic Disease↗
PubMedDate not supplied

The impact of a senior dancing program on spinal and peripheral bone mass.

Because activity and regular exercise are important factors to maintain general good health in senior citizens, we investigated whether senior dancing has any effect on peripheral or lumbar bone density. We performed a prospective study over a12-mo period on bone density at a spinal and peripheral measuring site in 28 female senior members (mean age: 67 +/- 2 yr) of a dancing group in Vienna. Lumbar bone mineral density was assessed by quantitative computed tomography (qCT) and radial bone density by single photon absorptiometry of the distal forearm. The mean training time per week was 3.2 +/- 0.8 h. In the entire group of female dancers, no significant effects of dancing on radial or lumbar bone density could be observed. Linear regression analysis showed that the lower the qCT at the beginning of the observation period, the higher was the percentage increase of spinal qCT in the entire group during 12 mo of dancing (r = 0.52, P < 0.0001). For additional evaluation, females were divided into two subgroups, osteoporotic or nonosteoporotic, based on x-rays and lumbar bone mineral density (BMD) as measured by qCT. The group classified as dancers with osteoporosis (group I) showed a significant increase in lumbar bone density, whereas in the group of dancers without signs of osteoporosis (group II), BMD remained unchanged. Additionally, radial bone density did not show any changes in either group. Group I showed a significant correlation between basal spinal BMD and the percentage change of BMD during the observation period (r = 0.7, P < 0.001). Changes of the biochemical parameters were observed in the bone-specific isoenzyme of alkaline phosphatase, a marker of osteoblastic activity, in group I giving additional evidence of increased bone formation.

Absorptiometry, Photon↗
PubMedDate not supplied

Prevention and management of dance injuries.

Dancing is the loftiest, the most moving, the most beautiful of the arts, because it is no mere translation or abstraction from life; it is life itself (Ellis, 1923). Despite the "magic" that professional dancers display, they, too, are subject to physical limitations. As an old German proverb suggests, "If you want to dance, you must pay the piper." In a recent interview, Samuel Bennett of Ballet Chicago speculated that many dance injuries are the result of attempting to achieve a physical ideal that probably doesn't exist. The following is an overview of dance injuries, their prevention, and their treatment. The focus is on ballet.

Biomechanical Phenomena↗
PubMed2005

Influence of professional dance training on peak torque and proprioception at the ankle.

OBJECTIVE: To investigate the influence of professional dance training on the peak torque ratio of plantar flexion to dorsiflexion (PF/DF), angle replication ability, and balance in comparison to age-matched and gender-matched controls. The effects of injuries sustained before and during the study time period were also assessed. DESIGN: Prospective age-matched and gender-matched nonrandomized intervention study. SETTING: Premises of the Orthopedic University Hospital, Heidelberg, where measuring apparatus belonging to the hospital was used for the tests. PARTICIPANTS: One group of 42 dancers (31 female, 11 male) in professional training (State Academy) and 40 age-matched and gender-matched controls with no prior dance or specific sport training. MAIN OUTCOME MEASUREMENTS: Isokinetic tests for peak torque at 30 degrees /s and 120 degrees /s, a passive angle-replication test (Biodex system 3), and a test of 1-legged standing were each carried out on 2 measurement dates (M1, M2): at the beginning of a season of professional dance training (M1) and after 5 months of such training (M2). Symptoms and/or injuries sustained during this period were ascertained continuously by means of questionnaires and interviews. RESULTS: A significant increase in peak torque in PF was observed in both dancer groups and male controls between M1 and M2. A significant increase in PF/DF peak torque ratio at 30 degrees /s was observed in both male groups between M1 and M2. At M2, no significant differences in PF/DF peak torque ratio could be found between male dancers and controls, but at 30 degrees /s between the female groups. However, in both female groups, the PF/DF ratio was not found to increase significantly between M1 and M2. In the angle-replication and 1-legged standing test, no consistent improvement was observed between M1 and M2 in either dancers or controls. In the angle-replication test, there were no significant differences between dancers and controls at M2. In the 1-legged standing test, the dancers did significantly better than controls. A total of 7 ankle injuries were recorded, but no difference was found between injured and uninjured subjects in the proprioceptive tests either at M1, as the predicator, or at M2 as the residual. CONCLUSIONS: Dance training did not increase the peak torque ratio of PF/DF within 5 months, but a group difference was found between the women groups. Ballet training alone without concurrent additional coordinative training does not lead to improvements in ankle joint position sense or improved measures of balance within this period of observation.

Adolescent↗
PubMed2000

Vestibular responses to loud dance music: a physiological basis of the "rock and roll threshold"?

In this paper new evidence is provided to indicate that vestibular responses may be obtained from loud dance music for intensities above 90 dB(A) SPL (Impulse-weighted). In a sample of ten subjects acoustically evoked EMG were obtained from the sternocleidomastoid muscle in response to a sample of techno music typical of that which may be experienced in a dance club. Previous research has shown that this response is vestibularly mediated since it can be obtained in subjects with loss of cochlear function, but is absent in subjects with loss of vestibular function (Colebatch et al. [J. Neurol. Neurosurg. Psychiatr. 57, 190-197 (1994)]. Given that pleasurable sensations of self-motion are widely sought after by more normal means of vestibular stimulation, it is suggested that acoustically evoked sensations of self-motion may account for the compulsion to exposure to loud music. Given further the similarity between the thresholds found, and the intensities and frequency distributions that are typical in rock concerts and dance clubs, it is also suggested that this response may be a physiological basis for the minimum loudness necessary for rock and dance music to work-the "rock and roll threshold".

Audiometry, Pure-Tone↗
PubMed1975

Integrating dance therapy into treatment.

For several years after dance therapy was introduced at Yale Psychiatric Institute in 1967, patients perceived it as an activity totally separate from their treatment program. The author describes changes in hospital procedure and in the structure of the dance groups that helped alter that perception. They include involving the patient's treatment team in the selection of activities; establishing groups in which membership is fairly constant, thus increasing the likelihood of interpersonal interaction; and setting aside ten or 15 minutes at the end of each dance session for discussion of the feelings evoked. The author says the changes have clarified values and goals within the dance therapy groups.

Connecticut↗
PubMedDate not supplied

Musculoskeletal injuries in theatrical dance students.

Three hundred and fifty-two injuries in 185 theatrical dance students at the North Carolina School of the Arts were diagnosed and treated from September 1981 through May 1982, the most recent academic year. The total number of dancers enrolled in the school was 218; thus, 84.9% of the dance students were evaluated for an injury by a physician, with 87.8% of the injuries sustained during dance. Approximately one-fourth of the dance-related injuries involved the foot or ankle. The injuries were usually not severe, and proved amenable to treatment by conservative measures.

Ankle Injuries↗
PubMed2004

Oxygen uptake during modern dance class, rehearsal, and performance.

The aim of the present study was to examine whether the workload, expressed in oxygen uptake and heart rate, during dance class and rehearsal prepared the dancer for performance. Previous research on the demands of class and performance has been affected by equipment limitations and could only provide limited insight into the physiological demands placed on the dancer. The present study noted that dance performance had significantly greater mean oxygen uptake and heart rate than noted in both class and rehearsal (p < 0.05). Further analysis noted that, during class and rehearsal, heart rates were rarely within the aerobic training zone (60-90%HRmax, where HRmax is the maximum heart rate). Dance performance placed a greater demand on the aerobic and anaerobic glycolytic energy systems than seen during class and rehearsal, which placed a greater emphasis on the adenosine triphosphate-creatine phosphate system. Practical implications suggest the need to supplement training within dance companies to overcome this deficit in training demand.

Adult↗
PubMed2001

Effects of step aerobics and aerobic dancing on serum lipids and lipoproteins.

BACKGROUND: To examine the effect of 8 weeks of step aerobics and aerobic dancing on blood lipids and lipoproteins. METHODS EXPERIMENTAL DESIGN: Comparative training. SETTING: Two months of physical fitness program. PARTICIPANTS: Forty-five sedentary female college student volunteers randomly assigned to one of the three groups as step aerobics (n=15), aerobic dancing (n=15) and the control group (n=15). The step aerobics and aerobic dancing groups participated in sessions of 45 min per day, 3 days per week for 8 weeks with 60-70 percent of their heart rate reserve. MEASURES: Total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol levels (HDL-C), the ratio of total cholesterol to high-density lipoprotein cholesterol (TC:HDL-C). RESULTS: At the end of the 8 week period, a significant difference has been found between the step aerobics group and the control group and between the aerobic dancing group and the control group in TC levels (F[2,44]=8.38; p<0.01). A significant difference in HDL-C levels (F[2,44]=3.65; p<0.05) and TC:HDL-C ratio (F[2,44]=11.56; p<0.01) has been found only between the step aerobics group and the control group. CONCLUSIONS: These results indicate that step aerobics training is an effective training mode for modifying lipid and lipoprotein profiles of female college-aged students.

Adolescent↗
PubMed1992

Is aerobic dance an effective alternative to walk-jog exercise training?

In order to compare the physiological effects of an 8 week aerobic dance program to those of a walk-jog exercise training program, 60 male and female University employees ages 24-48 years were randomly assigned to an aerobic dance program (N = 22), a walk-jog program (N = 24), or a sedentary control group (N = 15). Subjects who had an exercise compliance rate less than or equal to 85% were dropped from the study, as were control subjects who had scheduling conflicts or illnesses precluding post-treatment testing. Thirty-five subjects completed the 8 week period with a compliance rate greater than or equal to 85%, leaving 14 in the aerobics group, 11 in the walk-jog group and 10 in the control group. Significant increases (p less than 0.001) in maximal oxygen uptake occurred in both the aerobics (+3.9 ml/kg-1/min-1) and walk-jog group (+3.4 ml/kg-1/min-1), while no significant change was observed in the control group. Peak heart rate decreased significantly (p less than 0.05) in the aerobics (-4 b/min-1) and walk-jog groups (-3 b/min-1 but was unchanged in the control group (-1 b/min-1) following the treatment period. Body weight, peak respiratory exchange ratio and peak minute ventilation remained the same in the aerobics, walk-jog and control groups throughout the treatment period. It is concluded that aerobic dance programs can result in similar improvements in aerobic power as a walk-jog program. Thus, an aerobic dance program is an effective alternative to a traditional walk-jog training regime.

Adult↗
PubMed1987

Medical considerations in dance training for children.

Parents may consult family physicians about the safety of dance training for their children. Injuries in dance training are characteristically associated with improper technique, a poor training environment and fatigue. Many dance injuries can be prevented through attention to the physical and emotional maturity of the child, the quality of the instruction and the training environment. Quality dance training is safe and beneficial for children of any age.

Anorexia Nervosa↗
PubMed1997

Social dancing in the care of persons with dementia in a nursing home setting: a phenomenological study.

The purpose of this study was to describe the phenomenon of social dancing in the care of persons with dementia in a nursing home setting. Social dancing is an activity that has taken place once a month regularly during the last 10 years at a nursing home in Stockholm. The period of data collection for this study was the year 1995. At the time of the investigation, the subjects were in special units for persons with dementia. The analysis is based on the data contained in five 45-minute video tapes. All videotapes were analysed based on Husserl's philosophy and Giorgi's method of phenomenological analysis. The results suggested that dance music was a good stimulus for making social contacts. The earlier-trained social patterns, old social habits, and general rules seemed to awaken to life in the persons with dementia. It was important that the caregivers showed individual creativity, spontaneity, and supportive nursing care. Social dancing at the nursing home was found in this study to be very positive and successful for patients with dementia.

Aged↗
PubMed2006

Courtship dances in the flies of the genus Lispe (Diptera: Muscidae): from the fly's viewpoint.

Two predatory fly species, Lispe consanguinea Loew, 1858 and L. tentaculata DeGeer, 1776, inhabit the supralittoral zone at the shore of a fresh-water reservoir. Both species look alike and possess similar "badges," reflective concave silvery scales on the face. Flies occupy different lek habitats. Males of the first species patrol the bare wet sand on the beach just above the surf. Males of the second species reside on the more textured heaps of algae and stones. Courtship and aggressive behaviour of males was video-recorded and analysed frame by frame. Visual stimuli provided by the conspecific partner were computed in the body-fixed space of a fly observer. Males of L. consanguinea perform long pedestrian dances of pendulating circular arcs (frequency 2 s(-1), median radius 2.5 cm, linear velocity 0.130 m/s). Right and left side runs are equally probable. Circular runs are interrupted by standby intervals of average duration 0.35 s. The female views the male as a target covering 2 by 2 ommatidia, moving abruptly with the angular velocity over 200 degrees/s in a horizontal direction down the path of about 50 degrees till the next standpoint. Dancing is evenly distributed around the female. On the contrary, the male fixates the image of the female within the narrow front sector (median +/-10 degrees); the target in his view has 6-7 times less angular velocity and angular span of oscillations, and its image in profile overlays 6-8 by 2 ommatidia. If the female walks, the male combines tracking with voluntary circular dances. Rival males circle about one another at a distance shorter than 15 mm, but not in close contact. Males of L. tentaculata are capable of similar circular courting dances, but do so rarely. Usually they try to mount any partner immediately. In the latter species, male combat consists of fierce wrestling. Flies of both species often walk sideward and observe the partner not in front but at the side.

Aggression↗
PubMed1996

The effect of Danquah Communication System (DanCS) boards on maladaptive behaviours among individuals with severe intellectual impairment and non-verbal communication skills.

There is evidence that some individuals with severe intellectual impairment who are non-verbal may, out of frustration, display such inappropriate behaviour as aggression and self-injury as a means of communicating their needs to caregivers. The purpose of this study was to develop an inexpensive augmented communication device and to teach individuals with multiple impairment to use this method to communicate their needs in order to reduce their aggressive behaviours. The Dan Communication System (DanCS) symbol boards were therefore designed with computerized voice interface to help the individuals communicate to caregivers by means of audio and visual signs. A working DanCS board has been successfully developed and can now be mass produced by a manufacturer. The DanCS board is illustrated and described. A measurement device called the Goal Attainment Scale (GAS) that focused on three target behaviours; pressing of symbols, control of aggression, and social interaction with caregivers, was used to evaluate progress in the participating subjects (N = 30). Results showed that the multiply impaired individuals in the study significantly improved in all the targeted behaviours through the use of the DanCS. Details of the study are reported.

Adult↗