[ON THE EFFECTIVENESS OF SHORT-TERM PHYSICAL EXERCISE IN THE MIDDLE OF THE SCHOOL DAY FOR STUDENTS OF THE 5TH TO 8TH GRADES].
D000293:Adolescent; D002490:Central Nervous System; D002648:Child; D015444:Exercise; D006801:Humans; D009420:Nervous System; D010806:Physical Education and Training; D005082:Physical Exertion; D012572:School Health Services; D012574:Schools; D013334:Students; D014586:USSR
ADOLESCENCE; CENTRAL NERVOUS SYSTEM; CHILD; EXERTION; PHYSICAL EDUCATION AND TRAINING; SCHOOL HEALTH; USSR
OB 'EFFEKTIVNOSTI KRATKOVREMENNYKH FIZICHESKIKH UPRAZHNENI I V SEREDINE UCHEBNOGO DNIA UCHASHCHIKHSIA 5-8-X KLASSOV.