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Table 2 Descriptive characteristics of included studies

From: Exercise prescription for weight management in obese adults at risk for osteoarthritis: synthesis from a systematic review

StudyControlExerciseExercise Prescription
Arad, DiMenna, Thomas, et al. [17]N = 11 (14)
Age: 30 ± 7y
BMI: 32.5 ± 3.6
BF%: 45.4 ± 3.7
N = 9 (14)
Age: 29 ± 4y
BMI: 32.1 ± 3.2
BF%: 45.4 ± 5.0
• Intervention = 14 weeks
• Frequency = 3 x weekly
• Exercise mode = cycling (HIT)
• Intensity = 4 work intervals (30–60s) at 75–90% HRR. Recovery intervals between work intervals were 180–210 s at 50% HRR. Progressive overload until work rest ratio 60s:180s at intensity of 90% HRR for work intervals
Blue, Smith-Ryan, Trexler and Hirsch [18]N = 9
Age: 37.0 ± 12.4
BMI: 33.6 ± 7.2
BF %: 33.4 ± 6.4
N = 16
Age: 31.4 ± 12.0y
BMI: 31.8 ± 3.9
BF %: 32.6 ± 6.5
• Intervention = 3 weeks
• Frequency = 3 x weekly
• Exercise mode = cycling
• Intensity = 10 reps of 1 min bouts at 90% peak power output; 1 min rest between work sets
Chiu, Ko, Wu, et al. [19]N = 12 (14)
Age: 20.8 ± 0.7
BMI: 30.38 ± 0.86
BF %: 33.3 ± 1.1
N = 12 (13)
Age: 21.8 ± 0.7
BMI: 29.43 ± 0.56
BF %: 34.5 ± 1.8
• Intervention = 12 weeks
• Session duration = 60 min
• Frequency = 3 x weekly
• Exercise mode = treadmill (aerobic)
• Intensity = 40–80% HRR for weeks (increased gradually over 12 weeks)
Domene, Moir, Pummell, Knox and Easton [20]N = 10 (11)
Age: 35 ± 13
BMI: 27.6 ± 2.0
BF %: 31.7 ± 5.8
N = 10 (12)
Age: 33 ± 11
BMI: 26.7 ± 1.7
BF %: 30.9 ± 5.5
• Intervention = 8 Weeks
• Session duration = 1 h
• Frequency = 12 x classes
• Exercise mode = Aerobic
• Intensity = Vigorous
Ross, Dagnone, Jones, et al. [21]N = 8 (22)
Age: 46.0 ± 10.9
BMI: 30.7 ± 1.6
N = 16 (27)
Age: 45.0 ± 7.5
BMI: 32.3 ± 1.9
• Intervention = 12 weeks
• Session duration = time to expend 700 kcal
• Frequency = daily
• Exercise mode = Treadmill (aerobic)
• Intensity = no greater than 70% peak oxygen uptake
Svensson, Eek, Christiansen and Wisén [14]N = 22 (31)
Age: 47.4 ± 9.1
BMI: 44.7 ± 7.1
N = 49 (80)
Age: 43.6 ± 8.3
BMI: 41.6 ± 5.2
• Intervention = 16 weeks
• Session duration = 1 h
• Frequency = 3 x weekly
• Exercise mode = cycle, rowing machine, treadmill, cross-trainer (aerobic) + resistance training
• Intensity (aerobic) = 6-min intervals at HR > 90%max. 30s pause between each bout
• Intensity (resistance) = 2-min intervals at > 90% HRmax. 30s pause between each bout
Utter, Nieman, Shannonhouse, Butterworth and Nieman [22]N = 22
Age: 43.7 ± 2.4
BMI: 32.8 ± 1.0
N = 21
Age: 44.6 ± 2.5
BMI: 32.3 ± 1.1
• Intervention = 12 weeks
• Session duration = 45 min
• Frequency = 5 x weekly
• Exercise mode = walking (aerobic)
• Intensity = 60–80% HRmax
  1. Note. Sample size includes participants who completed the study and, where available, number of participants who were originally allocated (found in parentheses). BMI Body Mass Index, HRR Heart Rate Reserve, BF% Body Fat Percentage, HIT High Intensity Training, HRmax maximal heart rate