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The Acute Effects of Intermittent Running on Serum CK and LDH Enzyme Activities in Runners and Non-Runners
Acute effects of repeated sprinting upon serum creatine kinase (CK), lactic dehydrogenase (LDH), and isozymal activities were studied in five collegiate runners (R_s) and six non-runners (NR_s ). After an intermittent running treadmill test, blood sampling showed three-fold mean increases in CK with no change in LDH in both groups; group differences were insignificant (p>.05). Results suggest (1) intense anaerobic exercise produces moderate enzyme elevations; (2) relatively equivalent exercise intensities are critical to enzyme responses in exercising individuals of varying fitness levels; and (3) exercise-induced enzyme release may be consequential to muscle cell membrane permeability changes from decreased intracellular high-energy phosphates.
A Comparative Study of Job Satisfaction of Two-Year Community/Junior College and Four-Year University Physical Education Faculty
This investigation was undertaken to compare the degree of job satisfaction of physical education faculty who were employed at community/junior colleges and four-year universities. The relationship of selected demographic variables (sex, age, contract longevity, teaching experience, and highest degree completed) to faculty job satisfaction was also investigated. Faculty (N = 70) who were employed in community/junior colleges and universities in the Dallas-Fort Worth area were chosen as subjects for the study. Two instruments were utilized to collect the data. These were the Personal Data Inventory (PDI) and the Purdue Teacher Opinionaire (PTO). Analysis of the data indicated that university faculty and community/junior college faculty differed significantly in their perceptions of job satisfaction in the specific areas of teacher rapport with immediate supervisor, curriculum issues, and school facilities and services. Four demographic variables (sex, age, contract longevity, and teaching experience) were significantly related to ten specific areas of job satisfaction and to the subjects' total job satisfaction.
Employee Perceptions of the Use of Corporate Fitness Programs in Recruitment
This study investigated how employees perceived corporate fitness programs as benefits, how fitness programs were ranked with other selected employee benefits and if they would be considered in future career opportunities. A questionnaire was given to employees from five companies with and five companies without fitness programs. The 452 Ss were subdivided into the two sub-groups of employees with and without company fitness programs, and high and low adherers to physical activity. Data were analyzed by Chi- Square and proportional differences. Fitness programs were considered to be significantly important benefits; high/low adherers responses were significant. In N rank ordering of eight selected benefits, fitness programs ranked seventh; high/low adherers had significant rankings of fitness programs; employees with and without fitness programs had significant rankings of sick leave time/pay. The N did not consider fitness programs as significant future recruitment tools; there were significant differences from responses of high/low adherers. Some companies did not emphasize fitness programs as important benefits to employees.
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