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Query: UMLS:C0015672 (fatigue)
 51,768 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Institutionalized retardates were examined on a special format of a task requiring them to name the colors of 36 color patches and to name the color of the ink in which 36 incongruent color words were printed on separate cards. Mean reaction time for the incongruent condition was significantly longer than that for the color patches and the difference was independent of fatigue and stimulus size. The color-word interference effect previously reported with normal populations when given the Stroop test was demonstrated for this retarded sample using a special format.
Percept Mot Skills 1976 Dec
PMID:Performance of retardates on the Stroop Color-Word Test. 101 4

This study examined the effects of post-hypnotic suggestions upon maximal endurance capacity, Borg ratings of perceived exertion, and heart rate. Experimental subjects were administered post-hypnotic suggestions to improve or decrease performance, and control subjects were given similar instructions during the awake state. Endurance time could be decreased significantly when the fatigue suggestion was given to experimental subjects, but performance could not be enhanced with the facilitating suggestion. Control subjects showed no significant changes across conditions. The Borg ratings indicated that experimental subjects experienced subjective changes as suggested by the hypnotist. In addition, analysis failed to find any significant differences for the heart-rate data.
Percept Mot Skills 1975 Feb
PMID:Effects of post-hypnotic suggestions on muscular endurance. 111 52

Change in grip strength over 30 trials was documented in two samples of junior college tennis players to assess possible fatigue. Eight men and eight women performed 30 maximum-grip strength tests with 25-sec. rests between trials. Significant positive correlations (.38 and .53 for men and women) were observed between grip strength and trials. In practical terms, grip strength did not change over 30 trials in these tennis players. The data suggested that the repetitive gripping patterns used by these players in tennis play resulted in consistent maximum-grip strengths across 30 trials.
Percept Mot Skills 1992 Oct
PMID:Grip strength and fatigue in junior college tennis players. 140 90

The mood benefits of Hatha yoga and swimming, two activities that differ greatly in aerobic training benefits, were examined. College students (N = 87) in two swimming classes, a yoga class, and a lecture-control class completed mood and personality inventories before and after class on three occasions. A multivariate analysis of variance indicated that both yoga participants (n = 22) and swimmers (n = 37) reported greater decreases in scores on Anget, Confusion, Tension, and Depression than did the control students (n = 28). The consistent mood benefits of yoga supported our earlier observation that the exercise need not be aerobic to be associated with mood enhancement. However, underlying and causal mechanisms remain uncertain. Among the men, the acute decreases in Tension, Fatigue, and Anger after yoga were significantly greater than those after swimming. Yoga may be even more beneficial than swimming for men who personally select to participate. The women reported fairly similar mood benefits after swimming and yoga. It seems that aerobic exercise may not be necessary to facilitate the mood benefits. Also, students with greater mood changes attended class more regularly than those who reported fewer psychological benefits. Maximizing the immediate psychological benefits of exercise might be one way to encourage adults to be physically active.
Percept Mot Skills 1992 Dec
PMID:Mood alteration with yoga and swimming: aerobic exercise may not be necessary. 148 5

The Profile of Mood States was printed on four different colors of paper (yellow, red, green, blue) and white to test whether the color of paper would influence mood state scores of 246 college students. Univariate analyses of variance identified color effects only on the Fatigue scale.
Percept Mot Skills 1992 Aug
PMID:Effects of color of paper on which the Profile of Mood States is printed on the psychological states it measures. 152 79

A small group of psychiatrically institutionalized adolescents (16 boys, 11 girls) were assigned to a three-day-per-week running/aerobic exercise program or a regular physical activity class. The complete program continued over 9 weeks, with 11 subjects remaining throughout the program. Dependent measures of body-mass index, timed performance on a one-mile run, resting, exercise, and recovery heart rates, and measures of depression, mood-states, and self-efficacy were assessed pre-, mid-, and post-9-wk. treatment and at a 4-wk. follow-up. Improvements in depression, anxiety, hostility, confused thinking, and fatigue were shown in treated girls, with increases in vigor and self-efficacy for all treated subjects.
Percept Mot Skills 1992 Apr
PMID:Aerobic exercise in the psychological treatment of adolescents. 159 15

Critical flicker frequency of 40 undergraduate students, 20 men and 20 women whose mean age was 19.3 yr., was measured under monocular and binocular viewing conditions, using the Lafayette Visual Perception Control with Display Unit. Half of the subjects received monocular treatment first and binocular treatment second, and the other half received the treatments in the reversed order. A 2-min. rest was allowed between these treatments. Analysis shows that mean CFF under the monocular condition was significantly lower than that under binocular conditions. The findings were discussed in terms of visual constraint and eye strain and fatigue under the monocular viewing condition.
Percept Mot Skills 1991 Apr
PMID:Critical flicker frequency under monocular and binocular conditions. 185 50

To develop a psychological profile of professional female athletes, specifically of elite tennis players, 16 professional female tennis players from five countries were given the Profile of Mood States to measure six mood states: tension, depression, anger, vigor, fatigue, and confusion. When age was controlled in the design, older female athletes exhibited the "iceberg profile," i.e., they scored higher on the vigor mood state and lower on all other mood states than college-age women. Younger athletes scored like college-age women. These results only partially support the 1987 work of Morgan, O'Connor, Sparling, and Pate.
Percept Mot Skills 1991 Aug
PMID:Mood states of professional female tennis players. 194 86

Mood state was estimated in six men using the Profile of Mood States questionnaire, with a "right now" directional set prior to performance of a modified Wingate power test, once at 03.00 hr., 09.00 hr., 15.00 hr., and 21.00 hr., on different days. Anaerobic power was measured as peak power output in 5 sec., and anaerobic capacity was measured as total external work performed during the 30-sec. test. Intraindividual difference scores were calculated as a subject's score minus his mean over the four tests. Multiple regression analyses showed that time of day and the Profile of Mood States fatigue score accounted for 51% of the variance in peak power and 62% of the variance in anaerobic capacity. However, the relationships between fatigue and subsequent anaerobic power and capacity reached statistical significance only at 21.00 hr. These results suggest that intraindividual differences in the mood state are related to subsequent performance. Greater than usual levels of fatigue are associated with reduced performance capacity. However, this relationship is dynamic and is dependent upon the time of day.
Percept Mot Skills 1991 Feb
PMID:Effect of time of day on the relationship between mood state, anaerobic power, and capacity. 203 39

50 right-handed men were evaluated on right and left hand-grip strength, fatigue, and perseveration tasks and on a finger-tapping task. Subjects were tested in combined ambient sensory conditions of bright light and noise, bright light and quiet, dim light and noise, and dim light and quiet to provide an initial test of asymmetrical activation of the hemispheres. Analysis did not support the hypothesized asymmetry in activation. However, increased fatigue and perseveration were found using the left hand.
Percept Mot Skills 1990 Jun
PMID:Manual dexterity, strength, fatigue, and perseveration: an initial test of asymmetry in cerebral activation. 237 6


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