Table 3: Randomised controlled trials on aquatic exercise.

  N Average Age ± SD % Women Lifestyle Affected Joint Exclusion Criteria Blinded Assessment Patients Groups Assessment Results
Foley (2003) [18] 105 70.9 ± 8.8 49.5% independent K or H
40% (awaiting surgery)
Dementia Yes -control (C): phone calls
-aquatic ex (A)
-land-based ex (L)
6 weeks ↓pain (A)°
↑function (A=L>C)*
Fransen (2007) [19] 152 70.0 ± 6.3 74% independent K and/or H Pathologies
CI exercise
Yes -control (C)
-aquatic ex (A)
-TaÏ Chi (T)
12 weeks
24 weeks
↓pain (A>T>C)*
↑function (A>T>C)*
maintained
(self-rehabilitation)
Gill (2009) [20] 82 70.3 ± 9.8 62% Independent K or H (awaiting surgery) Not specified Yes -aquatic ex (A)
-land-based ex (L)
6 weeks
14 weeks
↓pain (A=L)°
↑function (A=L)°
maintained
Arnold (2010) [21] 79 73.2 ± 4.8 71% independent H+ 1 fall or 1 fall risk factor Not specified Yes -control (C): usual activities
-aquatic ex+education (AE)
-aquatic ex (A)
11 weeks ↑balance (AE>C)*
↑function (AE>A,C)*
Hale (2012) [22] 39 75.0 ± 1.3 74% independent K and/or H+
1 fall risk factor
-Dementia
-Pathologies
CI exercise
Yes -control (C): internet training
-Aquatic ex (A)
12 weeks ↑balance (C)°
↑function (C)°

K: knee osteoarthritis; H: hip osteoarthritis; CI: contra-indicating; ex: exercise; °: significant intragroup difference; *: significant intergroup difference.