Table 2: Sample electronic database search strategy.

Sample search strategy-PubMed-January 2011

(1)Aged331 611
(2)Aging236 732
(3)Ageing247 317
(4)“Older age”15 622
(5)“Older adult*”2 357
(6)Elderly3352095
(7)Senior*22 086
(8)“Senior citizens”734
(9)(1 OR 2 OR 3 OR 4 OR 5 OR 6 OR 7 OR 8)3505009
(10)“Muscle stretching exercises” [Mesh]420
(11)“Pliability/physiology” [Mesh]28
(12)“Range of motion, Articular/physiology” [Mesh]8 786
(13)“Joint motion”1 420
(14)“Joint movement”722
(15)“Joint mobility”888
(16)“Joint range”491
(17)“Joint adhesion”1 825
(18)“Joint articulation”42
(19)“Muscle lengthening”141
(20)“Muscle elongation”35
(21)“Proprioceptive neuromuscular facilitation”117
(22)“Isometric contraction”12 414
(23)Yoga1 483
(24)“Tai chi”455
(25)Pilates56
(26)(10 OR 11 OR 12 OR 13 OR 14 OR 15 OR 16 OR 17 OR 18 OR 19 OR 20 OR 21 OR 22 OR 23 OR 24 OR 25)28 177
(27)Ability455 298
(28)Mobility94 157
(29)Frailty2 112
(30)Disability80 338
(31) Dependen*1066172
(32) Independen*560 960
(33)Reliance8 424
(34)Living818 389
(35) Institutionaliz*12 329
(36)“Nursing home”13 615
(37)“Activities of daily living”45 277
(38)“Independent activities of daily living”3 979
(39)ADL4 683
(40)IADL1 147
(41)“Assisted living”1 197
(42)“Long-term care”25 605
(43)“Long-term care”25 605
(44)(27 OR 28 OR 29 OR 30 OR 31 OR 32 OR 33 OR 34 OR 35 OR 36 OR 37 OR 38 OR 39 OR 40 OR 41 OR 42 OR 43)2738402
(45)Control2295628
(46)Treatment6813000
(47)Modality165 777
(48)Adjunct25 544
(49)Component289 484
(50)Group1741947
(51)Subset76 495
(52)Subset446
(53)Subgroup55 099
(54)Subgroup2 358
(55)“Exercise” [Mesh]52 144
(56)“Exercise prescription”772
(57)“Exercise program*”3 376
(58)“Exercise treatment”240
(59)“Exercise therapy”20 527
(60)Activity1731305
(61)“Physical activity”37 516
(62)“Physical therapy”38 673
(63)“Fitness program*”277
(64)Dance2 274
(65)“Rhythmic exercise”86
(66)(45 OR 46 OR 47 OR 48 OR 49 OR 50 OR 51 OR 52 OR 53 OR 54 OR 55 OR 56 OR 57 OR 58 OR 59 OR 60 OR 61 OR 62 OR 63 OR 64 OR 65)9 702 261
(67)(9 AND 26 AND 44 AND 66)2 401
(67 NOT child NOT children NOT cognit* NOT “alzheimer disease”434
NOT depression NOT anxiety NOT post-surg* NOT postsurg*
NOT surgery NOT surgical NOT cardiac NOT fracture* NOT arthroplasty
(68)NOT diabetes NOT diabetic NOT cancer NOT stroke NOT Parkinson*
NOT “multiple sclerosis” NOT sclerosis NOT stenosis NOT memory
NOT mental NOT coronary NOT cerebral NOT dystrophy NOT polio
NOT fibromyalgia)