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PubMed2003

Strength changes during an in-season resistance-training program for football.

The purpose of this study was to examine the effects of both intensity and volume of training during a 2 d.wk(-1) in-season resistance-training program (RTP) for American football players. Fifty-three National Collegiate Athletic Association Division III football players were tested in the 1 repetition maximum (1RM) bench press and 1RM squat on the first day of summer training camp (PRE) and during the final week of the regular season (POST). Subjects were required to perform 3 sets of 6-8 repetitions per exercise. Significant strength improvements in squat were observed from PRE (155.0 +/- 31.8 kg) to POST (163.3 +/- 30.0 kg), whereas no PRE to POST changes in bench press were seen (124.7 +/- 21.0 kg vs.123.9 +/- 18.6 kg, respectively). Training volume and training compliance were not related to strength improvement. Further analysis showed that athletes training at >or=80% of their PRE 1RM had significantly greater strength improvements than athletes training at <80% of their PRE 1RM, for both bench press and squat. Strength improvements can be seen in American football players, during an in-season RTP, as long as exercise intensity is >or=80% of the 1RM.

Adult↗
PubMed2005

Short-term effects on lower-body functional power development: weightlifting vs. vertical jump training programs.

Among sport conditioning coaches, there is considerable discussion regarding the efficiency of training methods that improve lower-body power. Heavy resistance training combined with vertical jump (VJ) training is a well-established training method; however, there is a lack of information about its combination with Olympic weightlifting (WL) exercises. Therefore, the purpose of this study was to compare the short-term effects of heavy resistance training combined with either the VJ or WL program. Thirty-two young men were assigned to 3 groups: WL = 12, VJ = 12, and control = 8. These 32 men participated in an 8-week training study. The WL training program consisted of 3 x 6RM high pull, 4 x 4RM power clean, and 4 x 4RM clean and jerk. The VJ training program consisted of 6 x 4 double-leg hurdle hops, 4 x 4 alternated single-leg hurdle hops, 4 x 4 single-leg hurdle hops, and 4 x 4 40-cm drop jumps. Additionally, both groups performed 4 x 6RM half-squat exercises. Training volume was increased after 4 weeks. Pretesting and posttesting consisted of squat jump (SJ) and countermovement jump (CMJ) tests, 10- and 30-m sprint speeds, an agility test, a half-squat 1RM, and a clean-and-jerk 1RM (only for WL). The WL program significantly increased the 10-m sprint speed (p < 0.05). Both groups, WL and VJ, increased CMJ (p < 0.05), but groups using the WL program increased more than those using the VJ program. On the other hand, the group using the VJ program increased its 1RM half-squat strength more than the WL group (47.8 and 43.7%, respectively). Only the WL group improved in the SJ (9.5%). There were no significant changes in the control group. In conclusion, Olympic WL exercises seemed to produce broader performance improvements than VJ exercises in physically active subjects.

Adaptation, Physiological↗
PubMed1987

Effect of a 3-month endurance training program on metabolic and multiple hormonal responses to exercise.

We have investigated the effect of a 3-month endurance training program (running and cycling) on plasma hormone responses during standardized bicycle ergometer work (15-min consecutive work loads of 60%, 70%, 80%, and eventually 90% VO2 max) in eight previously untrained eumenorrheic women. The subjects were investigated before and after training both in the follicular and luteal phases of the menstrual cycle (between the 7th-10th and 20th-25th days of their menstrual cycle, respectively). Blood was obtained 15 and 2 min before the onset of exercise and at the end of each work load from an indwelling catheter. In each sample, the plasma concentrations of estradiol 17 beta (E2), progesterone (P), testosterone (T), androstenedione (delta 4-A), dehydroepiandrosterone sulfate (DHEA-S), prolactin (PRL), and adrenocorticotropic hormone (ACTH) were assayed in duplicate by RIA; lactate was assayed as well. The hormone concentrations were expressed in absolute as well as in relative values. After training basal DHEA-S and ACTH levels were significantly (P less than 0.05) lower in both phases of the menstrual cycle, whereas basal luteal phase E2 and T levels were significantly (0.05 greater than P greater than 0.01) lower after training. Exercise induced significant increments in the relative values of all hormones in both phases (0.05 greater than P greater than 0.001). After training, T and DHEA-S increased relatively more pronounced (0.05 greater than P greater than 0.02) in the follicular and luteal phase, respectively.

Adrenal Cortex Hormones↗
PubMed2006

Evaluation of a model training program for respiratory-protection preparedness at local health departments.

Respiratory-protection programs have had limited application in local health departments and have mostly focused on protecting employees against exposure to tuberculosis (TB). The need to provide the public health workforce with effective respiratory protection has, however, been underscored by recent concerns about emerging infectious diseases, bioterrorism attacks, drug-resistant microbes, and environmental exposures to microbial allergens (as in recent hurricane flood waters). Furthermore, OSHA has revoked the TB standard traditionally followed by local health departments, replacing it with a more stringent regulation. The additional OSHA requirements may place increased burdens on health departments with limited resources and time. For these reasons, the North Carolina Office of Public Health Preparedness and Response and industrial hygienists of the Public Health Regional Surveillance Teams have developed a training program to facilitate implementation of respiratory protection programs at local health departments. To date, more than 1,400 North Carolina health department employees have been properly fit-tested for respirator use and have received training in all aspects of respiratory protection. This article gives an overview of the development and evaluation of the program. The training approach presented here can serve as a model that other health departments and organizations can use in implementing similar respiratory-protection programs.

Health Care Surveys↗
PubMed2005

Six-minute walking test to assess exercise tolerance and cardiorespiratory responses during training program in children with congenital heart disease.

This study assessed the exercise tolerance and the cardiorespiratory responses to a training program by the six-minute walk test (6'WT) in children with congenital heart disease (CHD). Seventeen cardiac and 14 healthy children performed maximal cardiopulmonary exercise test (CPET) and 6'WT. Reliability of 6'WT was assessed in all subjects (test-retest) by Bland-Altman plots. Cardiac subjects were randomly divided in training (T-CHD) and control groups (C-CHD). T-CHD underwent an individualized training exercise at the ventilatory threshold (VT) intensity during 12 weeks. We found that the 6'WT is a reliable and reproducible test. CHD children walked a lower distance than healthy children before training (472.5 +/- 18.1 vs. 548.8 +/- 7.7 m, respectively, p < 0.001). Likewise, power output, oxygen uptake (V.O (2)), and heart rate (HR) at the maximum and the VT levels, were significantly lower in patients (p < 0.001). After training, a significant improvement of walking distance (WD) was shown in T-CHD (529.6 +/- 15.3 vs. 467.7 +/- 17.1 m, p < 0.001). The power output, VO2, HR, and V.E increased slightly (6 to 10 %, p > 0.05) at peak exercise and significantly at ventilatory threshold level (p < 0.05) in T-CHD. Significant relationships between WD and VO2max as well as VO2 at VT were founded (p < 0.05). We concluded that the 6'WT is a useful and reliable tool in the assessment and follow-up of functional capacity during rehabilitation program in children with CHD.

Adolescent↗
PubMed1993

The effect of a 12-week dynamic resistance strength training program on gait velocity and balance of older adults.

This study tested whether a 12-week dynamic resistance strength training program can change gait velocity and improve measures of balance among adults age 65 and older. Fifty-five community-dwelling adults (mean age = 71.1) were randomized into an exercise (n = 25) or control (n = 30) group. The exercisers were requested to complete three bouts of strength training per week for 12 weeks using elastic tubing. At posttest the exercisers demonstrated slower gait velocity, enhanced balance, and an improved ability to walk backward, although none of these posttest measures was significantly different from the control group.

Age Factors↗
PubMed2002

Adapted physical activity in old age: effects of a low-intensity training program on isokinetic power and fatigability.

BACKGROUND AND AIMS: This pilot study measured the effects of an original low-intensity training program, called "posture-balancing-mobility" (PBM), on muscular function. METHODS: Nine non-disabled, elderly (74.3 +/- 6 years) subjects were trained with the PBM technique for 11 weeks (2 sessions per week). Mean power and fatigue index parameters were measured using an isokinetic dynamometer before and after training and compared with those recorded in another group of 9 elderly (71.1 +/- 4.3 years) subjects, who had performed aquatic exercises during the same period and with the same frequency. RESULTS: The mean power of the knee extension muscles increased slightly but significantly on the dominant (15.6%, p<0.05) and non-dominant sides (13.4%, p<0.05) in the PBM group, with no significant fatigue index variation. None of the parameters changed significantly for the aquatic group, and comparison of variations obtained in the two groups showed no significant difference between their respective effects. CONCLUSIONS: Although the results showed slightly enhanced strength production in the PBM group, the low statistical power does not allow conclusions about the impact of this type of training intervention in its current form. Nevertheless, this pilot study provides some indication of the benefits that can be obtained from such an individualized approach. Its efficiency would most likely be improved by further exploration of the minimal threshold of intensity required for strength exercises and by measurement of its effect on functions involving neuromuscular parameters, such as balance or gait.

Aged↗
PubMed1999

The situation of radiation oncology training programs and their graduates in 1997.

PURPOSE: In light of concerns about the job market, the American College of Radiology (ACR) studied the employment situation of 1997 radiation oncology graduates, and the status and plans of radiation oncology training programs. METHODS AND MATERIALS: In April-May 1997, and in a December follow-up, the ACR surveyed all radiation oncology residency directors about the employment situation of their 1997 residency and fellowship graduates and about their programs. Ninety-four percent of those surveyed responded. We compared findings with surveys from 1995 and 1996. Differences were assessed with p < or = 0.05 as the test of statistical significance. RESULTS: By six months after graduation, 98% of residency graduates and all fellowship graduates were employed. Program directors reported approximately 95% of graduates had positions that reasonably matched their training and personal employment goals. Programs have reduced beginning residency slots by 22% over the past three years, and further reductions are planned. Many observers were disappointed with fill rates in the 1997 National Match, but by the December follow-up, 96% of beginning-year residency slots were filled. CONCLUSION: Unemployment continues to be low, and one "softer" indicator, the job market perceptions of residency program directors, showed improvement.

Employment↗
PubMedDate not supplied

Effect of preventive dentistry training program for caregivers in community facilities on caregiver and client behavior and client oral hygiene.

The influx of persons with developmental disabilities into community-based programs has required the development, expansion and improved integration of community-based services. The role of caregivers in these community settings has become pivotal. However, with regard to daily activities, oral hygiene is often a low priority. Few attempts have been made to study caregiver participation in oral disease prevention and practices. This study evaluated the effects of an indirect training program, where caregivers were trained but the ultimate effects were demonstrated in adult clients. In addition, these effects were demonstrated in community care settings. A multiple baseline design, across three group homes, included 11 adult clients with developmental disabilities. This study evaluated the effects of training, instruction to use training and coaching on the presence of caregivers during oral hygiene sessions, the duration of toothbrushing and plaque scores of the clients. The results of this investigation demonstrated that there was an increase in caregiver presence and duration of brushing with a concurrent decrease in plaque scores. Caregivers responding to social validation questionnaires believed that 8 out of 11 clients had increased skills. This study demonstrates that caregiver training, combined with specific instructions to use training information and coaching of caregivers, can have a positive impact on the oral health of individuals with developmental disabilities living in community settings.

Adult↗
PubMed1997

Developing leaders in public health: the role of executive training programs.

The growing complexity of the nation's health care system is creating new challenges and opportunities for public health officials, and a renewed concern for leadership training among these officials. A focus group conducted with public health officials at local, state, and national levels reveals perceptions about the predominant trends effecting public health practice, the leadership skills required for effective public health practice, and the strategies that are needed for providing appropriate leadership training to public health executives. Officials indicate that public health practice is undergoing substantial changes in response to the growth of managed care and integrated delivery systems, changes in public health funding sources and levels, and efforts to privatize the delivery of public health services. The skills identified as critical for effective leadership in this environment include the ability to guide organizational behavior and cultivate interorganizational relationships; apply scientific knowledge to public health problems, and build and sustain community coalitions. In light of these skills, public health officials identify four essential components of an optimally effective executive training program in public health leadership: exposure to the core scientific disciplines within public health; exposure to organization theory and management science; training in community development and empowerment; and training in ethics and social justice. All of the officials agree with the need for distance learning programs for executives in public health leadership, and most officials also support the need for doctoral-level training in public health practice.

Community Participation↗
PubMed1992

Predictability of the individual outcome of a physical training program of an Army Special Forces Unit.

In a search for parameters that could predict the chances of success in a 3-month basic training program of a Special Forces unit, 293 conscripts were studied before the start of the training period. Physical activities, smoking habits, and dietary and drinking habits were evaluated by questionnaire. Anthropometric values were noted. A blood sample was taken for determination of serum cholesterol, high-density lipoprotein (HDL)-cholesterol and gamma-glutamyltranspeptidase (GGT). Physical capacity was assessed by bicycle ergometry. Sixty-five trainees were discontinued from the program for intercurrent diseases or trauma, 132 went successfully through the whole program (group S), and 96 trainees failed (group F). More candidates of group S stated that they participated in sports (p less than 0.01) and fewer smoked (p less than 0.01) than in group F. Trainees of group F had a higher consumption of spirits (p less than 0.05) than trainees of group S. There was no difference between the two groups in weight, percentage body fat, physical capacity, total serum cholesterol, and GGT values. HDL-cholesterol was higher in group S compared to group F (p less than 0.01). Stepwise discriminant analysis applied to anthropometric, biochemical, and cycloergometric data indicated HDL-cholesterol, height, resting heart rate, heart frequency at maximal exercise, and serum cholesterol as significant discriminating variables (p less than 0.001), giving only a 63% chance of correctly classifying the candidates.

Adolescent↗
PubMed1999

Rural Health Support, Education and Training Program (RHSET): where to now?

The Rural Health Support Education and Training (RHSET) Program is a Commonwealth Government grants program established in 1990 to enhance the access to rural communities to effective health services. The emphasis has been on professional workforce issues. Up until December 1997, 431 applications for funding had been approved and close to $37 million allocated. This article considers the grants awarded in that period according to their main topic of interest within three broad groupings: policy and tertiary service provision; health discipline-specific groups; and special interest groups such as Aboriginal and Torres Strait Islanders and community organisations. Each subgroup is introduced and its contents outlined. It also suggests that despite heightened government interest in rural and remote health, a niche can still be found for RHSET. It further argues that the time has come for a major evaluation of project activity to ensure non-duplication and to develop performance indicators for evaluating projects addressing rural and remote area workforce issues.

Australia↗
PubMed2000

Complex segregation analysis of blood pressure and heart rate measured before and after a 20-week endurance exercise training program: the HERITAGE Family Study.

Complex segregation analysis of baseline resting blood pressure (BP) and heart rate (HR) and their responses to training (post-training minus baseline) were performed in a sample of 482 individuals from 99 white families who participated in the HERITAGE Family Study. Resting BP and HR were measured at baseline and after a 20-week training program. Baseline resting BP and HR were age-adjusted and age-BMI-adjusted, and the responses to training were age-adjusted and age-baseline-adjusted, within four gender-by-generation groups. This study also analyzed the responses to training in two subsets of families: (1) the so-called "high" subsample, 45 families (216 individuals) with at least one member whose baseline resting BP is in the high end of the normal BP range (the upper 95th percentile: systolic BP [SBP] > or = 135 or diastolic BP [DBP] > or = 80 mm Hg); and (2) the so-called "nonhigh" subsample, the 54 remaining families (266 individuals). Baseline resting SBP was influenced by a multifactorial component (23%), which was independent of body mass index (BMI). Baseline resting DBP was influenced by a putative recessive locus, which accounted for 31% of the variance. In addition to the major gene effect, which may impact BMI as well, baseline resting DBP was also influenced by a multifactorial component (29%). Baseline resting HR was influenced by a putative dominant locus independent of BMI, which accounted for 31% of the variance. For the responses to training, no familiality was found in the whole sample or in the nonhigh subsample. However, in the high subsample, resting SBP response to training was influenced by a putative recessive locus, which accounted for 44% of the variance. No familiality was found for resting DBP response to training. Resting HR response to training was influenced by a major effect (accounting for 35% of the variance), with an ambiguous transmission from parents to offspring.

Adolescent↗
PubMed1993

A method to assess the trainee profiles of medical students attracted to our physical medicine and rehabilitation residency training program.

A 35-item questionnaire was designed to assess the relative importance of various factors to medical students when ranking physical medicine and rehabilitation (PM&R) residency training programs. The questionnaire was used to assess the relative importance of the various factors to three groups of medical students: those who interviewed, those who matched and those who were listed on the match list of the UMDNJ-New Jersey Medical School (NJMS) Department of PM&R, as well as our current residents. Recipients were asked to grade selection factors based on a numerical scale: 1, extremely important; 2, very important; 3, important; 4, minimally important; 5, not important. A response rate of 100% (n = 72 medical students + 25 residents) was attained. The analysis indicates that, overall, there is no significant difference in ranking of the factors by each of the four groups. However, the medical students who recently matched with the UMDNJ-NJMS PM&R program rated the opportunity to conduct research significantly higher than the current house staff or the medical students on the entire match list. This is a desirable result, as the program strives to provide an environment that is conducive to the growth of research and academic physiatrists. This questionnaire could also be used by other residency training directors to guide the development of their program and to gain valuable information regarding the perception of their program among in-coming residents and the importance of various factors to the students interested in their program.

Career Choice↗
PubMed2005

A comparison of two exercise training programs on cardiac responsiveness to beta-stimulation in obesity.

We demonstrated previously that exercise training did not restore normal cardiac beta-adrenergic responsiveness in obese rabbits. This study tested the hypothesis that an increased training volume was required to attenuate obesity-related reductions in isolated heart responsiveness to isoproterenol. Female New Zealand White rabbits were divided into lean control, lean exercise-trained, obese control, and obese exercise-trained groups. For the exercise-trained groups, total treadmill work over 12 weeks was increased 27% when compared with lean and obese animals trained with lower total training volume. After 12 weeks, Langendorff isolated hearts were used to study developed pressure, +dP/dt(max), and -dP/dt(max) responses to isoproterenol (10(-9) - 3 x 10(-7) M). Concentration-response data were fit to a sigmoidal function using a four-parameter logistic equation. Controls were compared with animals trained under the low- and high-training volume programs using one-way analysis of variance and Tukey's post-hoc test; separate analyses were conducted for lean and obese rabbits. In both lean and obese groups trained under the high-training volume program, EC50 values for +dP/day(tmax) and -dP/dt(max) were higher compared with same-weight controls and animals trained under the low-training volume program, indicating that contractility and relaxation responsiveness to isoproterenol was reduced by the higher training volume. Therefore, these data indicate that increased training volume failed to attenuate obesity-related decrements in isolated heart responsiveness to beta-adrenergic stimulation and caused reduced sensitivity to isoproterenol in both lean and obese animals.

Adrenergic beta-Agonists↗
PubMed1985

[Experience in setting up individual physical training programs in the rehabilitation of ischemic heart disease patients at a cardiology sanatorium].

The proposed method of individual rationing of exercise is based on comparative ergometric assessment of different kinds of exercise evaluating their load capacity expressed in power units. A table of equivalent loads, based on ergometric correlations, is proposed that contributes to the development of individualized physical recuperation programs. The rationing of exercise is based on the patient's physical stress tolerance (threshold capacity) and body weight. Training programs include intensive (75-80% of threshold capacity in 3 minutes' sessions, 10 to 12 times daily) and nonintensive (50% of threshold capacity for 1 to 1.5 h daily) loads. This program produced optimum recuperation results, whereas nonintensive loads alone had no training effect, and overintensive training was associated with a high rate of negative results.

Adult↗
PubMed2006

Iatrogenic cholesteatoma in children with OME in a training program.

PURPOSE: To report the occurrence of cholesteatoma following myringotomy and insertion of ventilating tube (VT) in a residency training program. MATERIALS AND METHODS: Nine hundred and eighty-four children who were operated for grommet insertion with or without adenotonsillectomy during the year 1999-2003 were included in the study. Children were divided into two groups: group 1 (648 children) operated by residents and group 2 (305 children) operated by consultant. All procedures were carried out under general anesthesia using Ziess operating microscope. Shah ventilating tubes were used in most cases and Goody T tube in some others. RESULTS: Nine ears developed cholesteatoma, six with perforation and three with pearl cholesteatoma cyst and intact tympanic membrane. The rate of iatrogenic cholesteatoma occurrence was 0.62% when done by residents (group 1) and 0.33% when operated by consultants (group 2). The overall prevalence was 0.48%. CONCLUSION: Iatrogenic cholesteatoma occuring as a complication following VT insertion is not uncommon. It occurs more often following surgery done by inexperienced surgeons. Excessive manipulation may cause meatal wall and drum surface epithelium injury. This epithelium might be pushed with the VT into the middle ear.

Child↗
PubMed1995

A social skills training program for preschoolers with developmental delays. Generalization and social validity.

This investigation was designed to assess a social skills training program with 32 developmentally delayed preschoolers. Subjects were evaluated in an unstructured play session, matched for levels of appropriate and inappropriate social behaviors, and assigned to either a treatment or control condition. The treatment group (N = 16) was presented with a 6-week protocol involving positive reinforcement, modeling, rehearsal, feedback, and time out. Controls (N = 16) received no instruction beyond regular classroom activities during the 6 weeks. The two groups were reevaluated in a posttest session and again in a generalization setting where two peers with developmental delays (not included in either experimental condition) were included. Prosocial behaviors were successfully taught and maintained in generalization settings. Efforts to reduce inappropriate behaviors were less successful. A test of social validity via teachers' ratings of videotapes of pretest and posttest assessments was also conducted. Implications for generalization and social validity research are discussed.

Behavior Therapy↗