Summary of the characteristics of included studies
| Study | Sample (n); % female; mean age | Exercise components | Duration; session length; frequency | Setting; exercise mode | Video exercise; media; device |
| Vestergaard et al37 | 53; 100%; 81±3.3 | Muscle strength, balance, flexibility and endurance | 5 months; 26 min; 3×week | Home; individual; unsupervised | Entirely video; offline; video player |
| Haines et al34 | 50; 60.4%; 80.9±6.5 | Muscle strength, balance | 2 months; 13 min | Home; individual; supervised | Entirely video; offline; Digital Video Disc (DVD) player |
| Yamada et al32 | 84; 80.5%; 83±6.7 | Muscle strength, balance, agility and dual tasks | 6 months; 20 min; 2×week | Centre; group; supervised | Entirely video; offline; DVD player |
| McAuley et al41 | 260; 71.52%; 70.62±0.4 | Muscle strength, balance and flexibility | 6 months; 3×week | Home; individual; unsupervised | Entirely video; offline; DVD player |
| Wójcicki et al43 | 237; 71.5%; 70.6±0.4 | Muscle strength, balance and flexibility | 12 months follow-up; 3×week | Home; individual; unsupervised | Entirely video; offline; DVD player |
| Benavent-Caballer et al19 | 51; 69%; 69.1±4 | Lower extremity strengthening, balance, mobility, flexibility, endurance | 4 months; 45 min; 3×week | Centre; group; supervised | Entirely video; offline; DVD player |
| Boongird et al21 | 417; 86.6%; 74.08 | Lower extremity strengthening, stretching and balance training | 6 months; 60 min; 2–3×week | Home; individual; supervised | Entirely video; offline; Video Disk Recorder (VDR) |
| Roberts et al42 | 153; 73.6%; 70±4.98 | Muscle strength, balance and flexibility | 24 months follow-up; 3×week | Home; individual; unsupervised | Entirely video; offline; DVD player |
| Liang et al33 | 30; 67%; 71.1±3.6 | Functional tasks, muscle strength, balance, tai chi | 1 month; 2×day | Home; individual; unsupervised | Entirely video; online; smartphone/tablet and website platform |
| Mézière et al35 | 35; 83.3%; 90 | Muscle strength, balance, functional tasks, joint mobilisation exercises | 3 months; 2×week | Home; individual; supervised | Partially video (combined with face-to-face exercise); offline; tablet |
| Lytras et al20 | 150; 90.7%; 70 | Lower extremity strengthening, balance, flexibility | 6 months; 45 min; 5×week | Centre and home; both group and individual; supervised | Partially video (combined with face-to-face exercise); offline; Television or computer |
| Fyfe et al22 | 19; 67%; 69.8±3 | Lower extremity strengthening, balance, functional tasks | 1 month; 9 min; 3×day | Home; individual; unsupervised | Entirely video; online; smartphone/tablet and website platform |
| Chang et al39 | 167; 70.1%; 67.6±7.86 | Resistance, static balance, dynamic balance, speed-walking | 4 months; 60 min; 2–3×week | Centre and home; both group and individual; supervised | Partially video (combined with face-to-face exercise); online; smartphone and LINE chat application |
| Suzuki et al38 | 15; 33.3% | Slow squats, one-legged stance | 3 months; 15 min; daily | Home; individual; supervised | Entirely video; online; smartphone and YouTube application |
| Ferrari et al36 | 73; 49%; 66.89±5.93 | Muscle strength and balance | 6 months; 30 min; 3×week | Home; individual; supervised | Entirely video; online; tablet and website platform |
| Zhou et al40 | 116; 25%; 84.4±3.2 | Muscle strength and balance | 12 months; 30 min; 3×week | Home; individual; supervised | Entirely video; online; smartphone and WeChat application |