Effect of incorporating low intensity exercise into the recovery period after a rugby match.
BACKGROUND
The psychological and physiological condition of athletes affect both their performance in competitions and their health. Rugby is an intense sport which appears to impose psychological and physiological stress on players. However, there have been few studies of the most appropriate resting techniques to deliver effective recovery from a match.


OBJECTIVE
To compare the difference in recovery after a match using resting techniques with or without exercise.


METHODS
Fifteen Japanese college rugby football players were studied. Seven performed only normal daily activities and eight performed additional low intensity exercise during the post-match rest period. Players were examined just before and immediately after the match and one and two days after the match. Blood biochemistry and two neutrophil functions, phagocytic activity and oxidative burst, were measured to assess physiological condition, and the profile of mood states (POMS) scores were examined to evaluate psychological condition.


RESULTS
Immediately after the match, muscle damage, decreases in neutrophil functions, and mental fatigue were observed in both groups. Muscle damage and neutrophil functions recovered with time almost equally in the two groups, but the POMS scores were significantly decreased only in subjects in the low intensity exercise group.


CONCLUSIONS
Rugby matches impose both physiological and psychological stress on players. The addition of low intensity exercise to the rest period did not adversely affect physiological recovery and had a significantly beneficial effect on psychological recovery by enhancing relaxation.
Hirosaki University, School of Medicine, Zaifu-cho 5, Hirosaki 036-8562, Aomori, Japan.
M
M
Suzuki
T
T
Umeda
S
S
Nakaji
T
T
Shimoyama
T
T
Mashiko
K
K
Sugawara
D000203:Activities of Daily Living; D015444:Exercise / Q000502:physiology / Q000523:psychology; D005434:Flow Cytometry; D005538:Football / Q000502:physiology / Q000523:psychology; D006801:Humans; D007958:Leukocyte Count; D009126:Muscle Relaxation / Q000502:physiology; D009504:Neutrophils / Q000502:physiology; D010587:Phagocytosis / Q000502:physiology; D011569:Psychiatric Status Rating Scales; D016897:Respiratory Burst / Q000502:physiology; D012146:Rest / Q000502:physiology / Q000523:psychology; D016896:Treatment Outcome