Female masters swimmers ranging in age from 20 to 69 were chosen for a study of their body composition and physiological responses at rest and during exercise. Two training groups were formed that differed on the basis of frequency, duration, and intensity of swimming workouts. Results are discussed. (Author/DF)

This study examined the effect of bicycle ergometer exercise at varying metabolic intensities upon the heart rate, electromyographic (EMG), and mood state responses to a timed mental arithmetric stressor of 12 adult males. Exercise influenced heart rate and EMG but not physiological and psychological responses to the arithmetic stressor.…

Outlines a sequence used to prepare and to administer examinations by computer. The sequence, based on programs described in an earlier issue of "The Physiologist," is presented under four headings: preliminary steps; taking the quiz; grading the quiz; and flexible options. Information on obtaining the programs is included. (JN)

Discusses renal neuroanatomy, renal vasculature, renal tubules, renin secretion, renorenal reflexes, and hypertension as related to renal nerve functions. Indicates that high intensitites of renal nerve stimulation have produced alterations in several renal functions. (A chart with various stimulations and resultant renal functions and 10-item,…

Examined group differences in self-reporting anxiety for one hundred chronic pain patients, an equal number of college students, and two smaller comparison samples. Pain patients, relative to nonpatients, acknowledged dramatically fewer total signs of anxiety. Also, pain patients endorsed significantly more somatic than cognitive indicators of…

Describes the method, present status, and application of positron emission tomography (PET), an analytical imaging technique for "in vivo" measurements of the anatomical distribution and rates of specific biochemical reactions. Measurements and image dynamic biochemistry link basic and clinical neurosciences with clinical findings…

Eight men participated in three randomized maximal oxygen uptake tests to investigate the hypothesis that the use of toe clips on bicycle ergometers produced a higher VO2 max. No significant difference in mean VO2 max or performance time was observed. (Author/MT)

Discusses: (1) measurement of body temperature; (2) normal deviations from normal body temperature; (3) temperature in the very young and the very old; (4) abnormal liability of thermoregulation; (5) hyperthermia; (6) fever; and (7) hypothermia. (JN)

Physiologists offer their viewpoints on career opportunities in the pharmaceutical industries. A director's and an employee's views of what a director of pharmacology looks for in a physiologist are included. (JN)

Examined the emotional strategies people use and their psychological consequences. Adults (N=270 and 329) were classified into emotional strategy groups. Suppressed emotives had a significantly higher score on the Complaint Questionnaire than emotive and nonemotive groups, suggesting neurotic tendencies. (JAC)

Presents four questions (and provides answers) related to biology and chemistry. Items are concerned with genes, sodium transport, osmosis, and early earth history. (RH)

The physiological effects on humans and animals of trace amounts of organic and unorganic pollutants in natural and waste waters are examined. The sensitivity of particular organs and species is emphasized. Substances reviewed include mercury, arsenic, cadmium, lead, chromium, fluorides, nitrates and organics, including polychlounated biphenyls.…

The present study was designed to see which of two theories best accounted for arousal when subjects were matched or mismatched on their competence to discuss a specific attitude-topic. (Author)

Two experiments conducted on fifth-grade boys indicated that isometric training failed to produce significant gains in subjects' physical strength. (GW)