Table 2

 Characteristics of randomised controlled trials comparing exercise as a part of a comprehensive intervention with no intervention

I, Intervention; C, control; WISC-R, Wechsler intelligence scale for children-revised.
Bluechardt 19941845 pupils with learning disabilities but normal WISC-R, aged 8.3–10.5 yearsI: Pool and gymnastic activities, promoting skills and developing social skills90 min, twice a week for 10 weeks
C: Assistance in deficient skills
Boyd 199719181 healthy girls, aged 9–16 yearsI: “Package”: Strength training, skipping, and running, locomotor activities, education, and self reported performance in log books40 min, 9 times for the youngest and 12 times for the older during 6 weeks
C: Regular PE classes
Bruya 19772072 healthy pupils, aged 9–11 yearsI: Training basketball skills30 min, twice a week for 4 weeks
C: No training
Elstein 19772133 learning disabled children with normal IQ, aged 7–15 yearsI (a): Basic motor and movement skills, balance, gymnastics, physical fitness. Encouraged to extend themselves50 min, twice a week for 9 months
I (b): Skills in sports and ball games. Individual adjustment
C: Free play, a lot of equipment for activity available. Child led activity
Hilyer 197925120 students, mean age 19.1 yearsI: Running with counselling60 min, 3 times a week for 10 weeks
C: Ordinary classes
Hilyer 19822460 adjudicated boys from a state school, aged 15.5–18.6 yearsI: Brief meetings with goal setting, flexibility training, weight training, run with gradual progress90 min, 3 times a week for 20 weeks
C: Regular activity, team sport
Luebke 19772650 healthy third grade pupilsI: Basic locomotor gymnastics, ball handling, dance, rope-jumping skills30 min, twice a week for 13 weeks
C: No instruction
Marsh 198828137 girls, aged 11–14 yearsI: Aerobics with cooperative training35 min, 14 times during 6 weeks
C: Social volleyball game
McGowan 19742937 seventh grade boys with low self image and sociogram scoreI: Success oriented endurance training (running and competitive activities)3–4 times a week for 18 weeks
C: Regular classes without PE classes
Munson 19853031 boys from development centre, aged 14–18 yearsI: Strength training combined with leisure counselling or combined with discussion90 min, 3 times a week for 6 weeks
C: Regular institution programme
Platzer 19763340 preschool children who exhibited deficits in gross motor skills and self concept, aged 35–72 monthsI: Perceptual-motor training ensure success and reinforcement of success30 min, 4 times a week for 10 weeks
C: Regular activity
Smith 19823566 healthy third grade pupilsI: Games avoiding waiting for turn and inactivity30 min, twice a week for 8 weeks
C: Free play