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. 2019 Jul 3;12:1971–2007. doi: 10.2147/JPR.S161494

Table 2.

Summary of studies using water therapy for FMS treatment

Author (year) PEDro score Design Primary outcome Groups (number in each group) Water therapy protocol Exercise Intensity Water temperature Main results Effect sizes (reported for pain) Secondary outcomes Main results of Secondary outcomes Effect sizes (reported for pain)
Altan et al (2004)53 8 RCT Pain, tender points, fatigue, sleep, stiffness, health-related quality of life, muscle endurance,
patient-rated disability, clinician-rated disability, depression
2 groups:
Aquatic exercise (n=24)
Balneotherapy
(n=22)
35 min/session, 3×/week
12 weeks
Protocol: Aquatic exercise – warm-up aerobics, muscle activation exercises, stretching, relaxation Balneotherapy – no exercise
Aquatic exercise: not reported
Balneotherapy: no exercise
37 °C Aquatic exercise: significant decrease in pain (VAS and 5-point scale), fatigue (VAS and 5-point scale), morning stiffness, number of tender points, myalgic score, FIQ, sleep disorder, patient’s and physician’s global evaluation, and BDI. Significant increase in algometric score
Balneotherapy: significant decrease in pain (VAS and 5-point scale), fatigue (VAS and 5-point scale), number of tender points, myalgic score, patient’s and physician’s global evaluation. Significant increase in algometric score. Significant difference between groups after 12 and 24 weeks for BDI favoring aquatic exercise group
Aquatic exercise after 12 weeks: ain (VAS)=1.06; ain (5-point scale)=0.99; number of tender points=2.11; myalgic score=1.62; FIQ=0.83; algometric score=0.62. Aquatic exercise after 24 weeks: pain (VAS)=1.01; pain (5-point scale)=1.18; number of tender points=1.97; myalgic score=1.32; FIQ=0.74; algometric score=0.78.
Balneotherapy after 12 weeks: pain (VAS)=1.08; pain (5-point scale)=1.28; number of tender points=2.15; myalgic score=2.00; FIQ=0.62; algometric score=0.93. Balneotherapy after 24 weeks: pain (VAS)=0.54; pain (5-point scale)=0.82; number of tender points=1.18; myalgic score=0.91; FIQ=0.30; algometric score=0.60.
NA Aquatic exercises and balneotherapy significantly decreased pain. Aquatic exercises proved longer-lasting effects. There was no superiority of aquatic exercises over balneotherapy NA
Andrade et al (2018)54 9 RCT Peak oxygen uptake, PPT, pain (VAS) 2 groups:
Aquatic exercise (n=27)
No exercise control
(n=27)
45 min/session 2×/week
16 weeks
Protocol: warm-up, stretching, aerobic exercises (30 min), resistance exercises of upper limbs using floats (5 min), relaxation (5 min)
Aerobics: three HR percentages reached at VAT. Level 1: lower limb exercises sitting on floats (5 min) at 80% VAT HR; level 2: jumping on a trampoline (10 min) at 110% VAT HR; level 3: exercises in aquatic cycle with resistance adjustment at 100% VAT HR (10 min) 30 °C (±2°C) Aquatic exercise: significant increase in relative VO2, PPT, VAS well-being, and decrease in VAS pain and FIQ scores.
No-exercise control group: did not present any significant improvement
Aquatic exercise: PPT=0.31; VAS pain=−0.20.
No-exercise control group: PPT=−0.33; VAS pain=0.43
NA Aquatic exercise: PPT=0.31; VAS pain=−0.20.
No-exercise control group: PPT=−0.33; VAS pain=0.43
Not reported
Arcos-Carmona et al (2011)55 8 RCT Sleep, pain, fatigue, health-related quality of life, self-rated physical function, mental health, anxiety, depression 2 groups:
Experimental (n=27)
Placebo control (n=26)
60 min/session 2×/week
10 weeks
Protocol: Experimental –30 min of pool-based aerobic exercises and Jacobson relaxation
Placebo control –20 min of sham magnet therapy applied at cervical (10 min) and lumbar (10 min) spine.
Not reported 28 ºC Experimental group: SF-36 scores were lower after intervention
Placebo control group: no significant differences from baseline
Not reported Not reported Not reported Not reported
Assis et al (2006)56 9 RCT Pain (VAS) 2 groups:
DWR (n=26)
land-based exercises
(n=26)
60 min/session, 3×/week
15 weeks
Protocol: a) stretching warm-up (10 min), DWR aerobic training (40 min), relaxation (10 min); b)
land-based exercises – stretching warm-up (10 min), aerobic training on a treadmill (40 min), relaxation (10 min)
DWR: first 2 weeks: low-intensity exercises for adaptation. Then, exercises performed at the anaerobic threshold level controlled by HR
Land-based exercises: first 2 weeks: low-intensity exercises for adaptation. Then, exercises performed at the anaerobic threshold level controlled by HR
28–31 °C DWR: significant improvement in pain (VAS)
Land-based exercises: significant improvement in pain (VAS)
Not reported Patient global assessment of response to therapy on a 5-point scale; SF-36; BDI; and FIQ NA NA
Avila et al (2017)28 5 Single-arm clinical trial Scapular three-dimensional motion measured with electromagnetic tracking device (Flock of Birds) 1 group:
(n = 20)
45 min/session, 2×/week
16 weeks
Protocol: stretching, warm-up, aerobics, muscle activation exercises, stretching, relaxation
Patient determined 31 °C (±2 °C) No significant changes in scapular kinematics NA Pain, quality of life, function Pain significantly decreased (lower NPRS and PPT), function (lower FIQ scores), and quality of life (greater SF-36 scores for most domains) significantly improved PPT: 041–1.61
NPRS: −1.41 to −1.93
Biezus et al (2006)57 5 RCT Pain (VAS) 3 groups:
GA – general aquatic exercises (n=5)
GB –passive aquatic relaxation (n=5)
GC –control
(n=6)
60 min/session, 2×/week
8 weeks
Protocol: GA – warm-up, strengthening, stretching, and relaxation. Number of exercises in each therapy was approximately 13
GB – passive aquatic relaxation. TheExercises were done slowly and smoothly
GC – no physical therapy intervention
Not reported 32 °C Aquatic exercises and aquatic relaxation significantly decreased pain. However, aquatic exercises provided greater pain decrease than the aquatic relaxation program GA – general aquatic exercises: d=0.55
GB – passive aquatic relaxation: d=1.26
GC – control group: d=0.20
NA NA NA
Bote et al (2014)58 7 RCT Neutrophil function 2 groups:
Aquatic exercise program (n=10)
Control no exercise (n=10)
60 min/session, 2×/week
32 weeks
Protocol: stretching out of the water (5 min), aerobic warm-up in the water (5 min), passive stretching of the main muscle groups in the water (5 min), aerobic aquatic choreography (25 min), strength exercises involving the main muscle groups of the upper limbs (15 min), and cool-down (10 min)
Parts (a), (b), (c), and (f) were performed at low exercise intensity (40–50% maximal HR). Part (d) was performed at low-to-moderate intensity (50–60% maximal HR) at the beginning of the program, and with increased intensity at the end of the program (65–75% maximal HR) 32 °C Aquatic exercise group had lower concentrations of IL-8 and noradrenaline together with reduced chemotaxis of neutrophils compared with the values determined in the same month in the control group of nonexercised FMS women Not reported Weight, body mass index, waist-to-hip ratio, body fat, flexibility, grip strength, balance, 6MWT, FIQ Significant decrease of weight, body mass index, body fat and FIQ. Significant increase in grip strength Not reported
Calandre et al (2009)59 7 RCT FIQ and PSQI 2 groups:
Stretching in water
(n=39)
Ai Chi–water Tai Chi
(n=42)
60 min/session, 3×x/week
6 weeks
Protocol: stretching performed over muscles of main body areas: cervical, upper, and lower extremities and trunk;
Ai Chi: 16 movements which constitute the Tai Chi therapy
Adjusted according to the degree of pain and fatigue
Adjusted according to the degree of pain and fatigue
36 °C Significant reduction in the FIQ and PSQI scores observed in Ai Chi but not in stretching group, with longer effect duration on sleep measures Stretching in water: FIQ total score (d=0.35), FIQ-VAS (d=0.26), PSQI total scores (d=0.28)
Ai Chi–water Tai Chi: FIQ total score (d=0.53), FIQ-VAS (d=0.53), PSQI total scores (d=0.72)
FIQ difficulty at work, fatigue, morning tenderness, stiffness, anxiety, and depression BDI decreased in stretching but not in Ai Chi group. Trait-anxiety scores decreased in both groups Stretching in water: FIQ difficulty at work (d=0.26), fatigue (d=0.21), morning tenderness (d=0.26), stiffness (d=0.17), anxiety (d=0.25). and depression (d=0.32)
Ai Chi–water Tai Chi: FIQ difficulty at work (d=0.47), fatigue (d=0.64), morning tenderness (d=0.29), stiffness (d=0.58), anxiety (d=0.32), and depression (d=0.43)
Carbonel-Baeza et al (2010)60 6 RCT Tender points, blind flamingo test, chair stand test, body composition, chair sit and reach, back scratch, 8 feet up andgo, handgrip strength, and 6MWT 2 groups:
Intervention
(n=27)
Usual care
(n=32)
120 min/session, 1×/week
12 weeks
Protocol: a) verbal phase (35–45 min); b) moving/dancing according both to the suggestion given by the facilitator and the music played (75–80 min)
Usual care: asked not to change their activity levels and medications during the 12-week intervention period
Adjusted according to the degree of pain and fatigue
Intervention intensity was controlled by the RPE based on Borg’s conventional (6–20-point) scale. The medium values of RPE were 11±1. These RPE values correspond to a subjective perceived exertion of “fairly light exertion,” that is, low intensity
Not reported Biodanza intervention reduced pain and FM impact (measured by FIQ). There was significant decrease in body fat percentage. There was no significant improvement in physical fitness tests. The program was well tolerated and did not have any deleterious effects on the patients’ health Not reported NA NA NA
Cuesta-Vargas et al (2011)61 5 Nonrandomised pilot clinical trial FIQ 2 groups:
MMPP+DWR
(n=22)
Control (n=22)
60 min/session, 3×/week
8 weeks
Protocol: land-based
exercises (stretching of
tonic muscle and strengthening of phasic muscles combined
with advice and education – 30 min) and DWR (30 min)
Control: waiting list (no intervention)
Exercise training at anaerobic threshold determined by a graded treadmill exercise test and DWR test with lactate and HR analyses 28–31 °C Significant decrease in FIQ Not reported SF-12: physical component, mental component, EuroQoL-5D, EuroQoL-VAS Significant improvement in pain, physical function, sleep,
fatigue, morning stiffness, quality of life, and psychological symptoms (depression and anxiety)
Not reported
De Andrade et al (2008)62 9 RCT Pain intensity, fatigue, number of tender points, physical functional capacity, general health status, sleep quality and depression 2 groups:
Pool-based exercises (n=23)
Thalassotherapy (n=23)
60 min/session, 3×/week
12 weeks
The program was composed of 10-min stretching, 40 min of various forms of low-impact aerobic exercise according to the desired intensity, and then a 10-min relaxation period
Patients were monitored each for 10 min and were oriented to remain between levels 12 and 13 on BORG scale (from light to moderate). The first 2 weeks were used for familiarization, with light-intensity exercises only (between levels 10 and 11 on BORG scale) and learning the exercises. When pain occurred while they were exercising, patients were taught to decrease the intensity for a short time Pool-based exercises (28–33 °C)
Thalassotherapy (28–33 °C)
There was a statistically significant improvement in pain, fatigue, tender points, FIQ, PSQI, and BDI in both groups. Improvement in BDI was greater in the thalassotherapy group Not reported NA NA NA
Evcik et al (2008)63 5 RCT Number of tender
points, pain, depression, and functional capacity
2 groups:
Home-based exercise program (n=30)
Aquatic exercise program (n=33)
60 min/session 3×/week
5 weeks
Protocol.: home-based exercise program: warm-up, ROM, relaxation, aerobic, stretching, and cool-down exercises.
Aquatic exercise program: warm-up (20 min), aerobic exercises, active ROM, stretching, relaxation (35 min) and cool-down (5 min)
Not reported 33 °C Both aquatic therapy and home-based aerobic exercise programs improved well-being, quality of life, and pain parameters in FMS. Aquatic therapy seems to have more advantage in long-term pain management Not reported NA NA NA
Fernandes et al (2016)64 9 RCT Pain (VAS) 2 groups:
Swimming (n=39)
Walking
(n=36)
50 min/session 3×/week
12 weeks
Protocol for both groups: warm-up (5 min), exercise (40 min), and cool-down (5 min)
Swimming: freestyle swimming without floatation devices
Walking: open-air walking
Swimming group: HR was kept at 11 beats below the anaerobic threshold
Walking group: HR was kept at the anaerobic threshold
Not reported Swimming, like walking, is an effective method for reducing pain in patients with FM Not reported for intragroup comparisons. Effect size=0.168 for between-group comparison Not reported Swimming, like walking, is an effective method for improving both functional capacity and quality of life in patients with FM Not reported
Gowans et al (2001)65 8 RCT BDI and 6MWT 2 groups:
Supervised exercise (n=15)
Control
(n=16)
30 min/session 3×/week
23 weeks
Protocol: stretching (5 min before and 5 min after exercise) and aerobic exercise (20 min)
The aerobic component of the classes was designed to generate HRs equivalent to 60–75% of age-adjusted maximum HRs (210 – age [years]) Not specified:
“a warm therapeutic pool”
There were significant improvements for exercise group subjects in 6MWT distances and BDI Not reported Anxiety, general mental health, number of tender points, isokinetic maximal voluntary strength, FIQ, and self-efficacy There was a significant improvement in anxiety, FIQ, self-efficacy, and mental health Not reported
Gusi et al (2006)66 6 RCT Pain, isokinetic muscle strength, health-related quality of life, spare time and work activities 2 groups:
Exercise
(n=17)
Control
(n=17)
60 min/session 3×/week
12 weeks
Protocol: exercise – warm-up (10 min), aerobic exercises (10 min), overall mobility and lower-limb strength exercises (20 min), another set of aerobics (10 min), and cool-down (10 min)
Control – follow normal daily activities, which did not include any form of exercise related to those in therapy
Aerobic exercises were performed at 65–75% of maximal HR 33 °C Therapy relieved pain and improved HRQOL and muscle strength in the lower limbs at low velocity Not reported NA NA NA
Hecker et al (2011)67 9 RCT Quality of Life (SF-36) 2 groups:
Kinesiotherapy
(n=12)
Hydrokinesiotherapy
(n=12)
60 min/session 1×/week
23 weeks
Protocol: muscle stretching exercises (15 min); passive and active movement of the lower limbs, upper limbs, trunk, and neck (30 min); and same stretching exercises performed at beginning of session (15 min)
Not reported objectively (low intensity during the entire protocol) 32–34 °C No significant differences between groups after the intervention program. Both groups improved physical functioning, pain, social aspects, and mental health. Hydrokinesiotherapy group improved also emotional aspects, while the kinesiotherapy group improved physical aspects Not reported NA NA NA
Ide et al (2008)68 6 RCT PAIN (VAS – 10 cm, number of tender points) 2 groups:
ARG (n=18)
CG (n=17)
Both groups: 60 min/session, 1×/week, 4 weeks: supervised recreational activities (involved no exercises or health-related issues)
ARG: 60 min/session, 4×/week; 4 weeks:
warm-up, general exercises targeting specific breath patterns (45 min), and relaxation exercises
Not specified 32 °C Decrease in pain (lower VAS scores); no difference in tender points count Not reported Dyspnea, function, quality of life, anxiety, sleep Improvement in dyspnea (lower VAS scores), sleep quality (lower PSQI scores), anxiety (lower HAS scores), function (lower FIQ scores), and quality of life (greater SF-36 values) NA
Jentoft et al (2001)69 5 RCT Function (FIQ) 2 groups:
PE (n=18)
LE (n=16)
60 min/session, 2×/week, 20 weeks. Both groups: body awareness training, ergonomics, warm-up, stretching, strengthening exercises, relaxation. Pool-based exercise group performed adapted protocol in water 60–80% of maximum HR for age (during 40–50% of session) 34 °C No differences between groups for function; function equally improved for both groups (lower FIQ scores) NA Pain (FIQ pain subscore and VAS for local pain), self-efficacy, cardiovascular capacity, grip strength, walking time and endurance time of shoulder muscles Improved grip strength (hand-held dynamometry) in LE group; within-group improvements in cardiovascular capacity (maximum O2 uptake), and walking time (s/100 m); within-group improvements in the PE group for several FIQ subscales including
pain, anxiety, and depression
Not reported
Kesiktas et al (2011)70 3 Quasi-randomized trial Pain (tender points count, VAS – 10 cm, and total PPTon tender points) 2 groups:
PTM+BT (n=16)
PTM (n=20)
PTM+HT (n=20)
PTM: 36 min/session, 5×/week, 3 weeks: conventional TENS (15 min), ultrasound (6 min). and infrared (15min);
PTM+BT: PTM added to 19 sessions of thermal pool bath (20 min of immersion/session);
PTM+HT: PTM added to 20-min sessions of hydrotherapy (protocol not described)
Not specified Thermal pool bath: 37–38 °C
Hydrotherapy: 37 °C
Total PPT was lower for PTM+BT (compared to PTM+HT);
improvement in pain symptoms (lower VAS, total PPTs and tender point count) was observed for all groups after treatment and only for PTM+BT and PTM+HT in the follow-up (after 6 months)
Not reported Depression, pulmonary function Improvement in depressive symptoms (lower BDI and HDRS scores) for all groups after treatment; only PTM+BT maintained better scores at follow-up; pulmonary function only improved for PTM+BT and PTM+HT groups after treatment, but only PTM+BT maintained improved pulmonary function at follow-up NA
Latorre et al (2013)30 5 Nonrandomized clinical trial Pain (tender point count, VAS – 10 cm, PPT over tender points) 2 groups:
EG (n=48)
CG (n=37)
CG: no activities or exercises other than usual, and none similar to EG protocol
EG: 60 min/session, 3×/week (2×/week pool exercises and 1×/week land exercises), 24 weeks
Protocol: warm-up, exercises of muscular strengthening, aerobic exercises, cool-down
Not specified (controlled by Borg scale) Not reported EG significantly improved pain symptoms (lower VAS scores, greater PPT and reduced number of tender points) Not reported Functional capacity, body composition, and quality of life EG improved functional capacity (greater hand-held grip dynamometry values, greater maximum O2 uptake, greater agility and balance indexes), quality of life (greater FIQ scores), and body composition (reduced fat percentage) NA
Latorre Román et al (2015)71 6 RCT Pain (tender point count, VAS – 10 cm, PPT over tender points) 2 groups:
EG (n=20)
CG (n=16)
CG: no activities or exercises other than usual, and none similar to EG protocol
EG: 60 min/session, 3×/week (2×/week pool exercises and 1×/week land exercises), 18 weeks
Protocol: warm-up, exercises of muscular strengthening and balance, cool-down
Patient determined 30 °C EG significantly improved pain symptoms (lower VAS scores, greater PPT and reduced number of tender points) Not reported Impact of fibromyalgia, strength, and balance EG significantly improved: lower impact of fibromyalgia (lower FIQ scores), greater strength (leg and handgrip) and balance (agility dynamic and balance) NA
Letieri et al (2013)72 6 RCT Pain (VAS – 10 cm) 2 groups:
HG (n=33)
CG (n=33)
45 min/session, 2×/week, 15 weeks.
Protocol: warm-up, strengthening, balance, coordination and agility exercises, stretching, and relaxation
Moderate according to the perceived effort modified scale 33 °C Decrease in pain (lower VAS scores) Not reported Quality of life, depressive symptoms Improved quality of life (lower FIQ scores) and depressive symptoms (lower BDI scores) NA
López-Rodríguez et al (2013)73 6 RCT Pain (VAS – 10 cm, MPQ, PPT) 2 groups:
ABD (n=29)
CG (n=30)
60 min/session, 2×/week; 12 weeks.
Protocol: ABD – flexibility and breathing exercises, rhythmic dancing movements, and mild exercises;
CG – stretching exercises for different body parts
Not specified 29 °C (preceded by a bath of 33–35 °C) Decrease in pain (lower VAS and MPQ scores and lower number of active tender points for PPT) Not reported Sleep, anxiety, depression, function Improvement in sleep quality (lower PSQI scores), anxiety (lower SAI scores), function (lower FIQ scores) for ABD NA
Mannerkorpi et al (2000)74 4 Quasi-randomized clinical trial Impact of fibromyalgia (FIQ – total score), physical capacity (6MWT) 2 groups:
TG (n=37)
CG (n=32)
35 min/session, 1×/week, 24 weeks.
Protocol: exercises for endurance, flexibility, coordination, and relaxation along with education sessions (6 sessions, 1 h/session)
Patient determined Not reported Decreased fibromyalgia impact (lower FIQ total scores) and improved physical capacity (better scores in the 6MWT) NA FIQ subscores (including pain), pain, quality of life, self-efficacy, functional limitations TG significantly improved physical functioning (lower FIQ subscores), anxiety (lower FIQ and AIMS subscores), depression (lower AIMS subscores), strength (greater grip strength), general health (greater SF-36 scores), social functioning (greater SF-36 scores), and pain (lower scores for pain severity and affective distress for the MPI-S) Not reported
Mannerkorpi et al (2009)75 8 RCT Impact of fibromyalgia (FIQ – total score), physical capacity (6MWT) 2 groups:
Ex-Edu (n=81)
Edu (n=85)
45 min/session, 1×/week, 20 weeks.
Protocol: exercises for endurance, flexibility, coordination, and relaxation along with education sessions (6 sessions, 1 h/session)
48–65% of maximum HR (light to moderate intensity) 33 °C Decreased fibromyalgia impact (lower FIQ total scores) and improved physical capacity (better scores in the 6MWT) NA FIQ subscores (including pain), pain, quality of life, anxiety and depression, leisure-time physical activity, stress, fatigue Significant improvement for change in pain (lower FIQ pain subscores) and for leisure time (decreased LTPAI scores) 0.69
(0.45 for the intention-to-treat analysis)
Munguía-Izquierdo and Legaz-Arrese (2007)76 7 RCT Tender point count, PPT on the tender points, and FIQ pain subscore (VAS – 100 mm) 3 groups:
Ex (n=35)
CG (n=25)
Healthy group
(n=25)
60 min/session, 3×/week, 16 weeks
Protocol: warm-up with slow walks and mobility exercises, strength exercises, aerobic exercises, and cool-down
50–80% of predicted maximum HR according to age 32 °C Decreased pain (reduced number of tender points, increased PPT over all tender points, and reduction in FIQ pain subscore) compared to control group Not reported Severity of FM and cognitive function Improvement of FM severity (lower FIQ scores) and in cognitive function (improvement in neuropsychological tests) NA
Munguía-Izquierdo and Legaz-Arrese (2008)77 8 RCT Tender point count, PPT over tender points, health status (FIQ) 3 groups:
Ex (n=35)
CG (n=25)
Healthy group
(n=25)
60 min/session, 3×/week, 16 weeks
Protocol: warm-up with slow walks and mobility exercises, strength exercises, aerobic exercises, and cool-down
50–80% of predicted maximum HR according to age 32 °C Decreased pain (reduced number of tender points, increased PPT over all tender points) compared to control group, Improvement in health status (lower FIQ scores) Not reported Anxiety, sleep quality, cognitive function, physical function Improvement in sleep quality (lower PSQI scores), cognitive function (greater PASAT scores) and physical function (increased muscle endurance for upper and lower limbs) NA
Pérez de la Cruz and Lambeck (2016)78 3 Pilot study VAS (10 cm) for pain 1 group:
FMS (n=20)
45 min/session, 2/week, 10 weeks
Protocol: warm-up, Ai Chi program, cool-down
Not reported 33 °C±0.5 °C Significant improvement in pain (lower VAS scores) Not reported Health-related quality of life Improved quality of life (increased scores in all domains of SF-36 except role physical and role emotional) NA
Piso et al (2001)54 4 Case–control study PPT over tender points 2 groups:
Sauna (n=9)
HT (n=9)
30 min/session, 2×/week, 6 weeks.
Protocol: bodily awareness exercises, low-impact strength exercises
Patient determined Sauna: 90 ºC
HT: 35 °C
No significant differences comparing groups; significant improvement in PPT only for sauna group Not reported Previous treatment Out of 18, 12 patients consider HT as first-choice treatment NA
Santana et al (2010)53 1 Analytical clinical trial FM impact and pain over tender points 2 groups:
Ai Chi (n=5)
CG (n=5)
40 min/session, 10 sessions (number of weeks not specified)
Protocol: Ai Chi program (sequence of slow and wide movements with upper limbs, lower limbs, and trunk, emphasizing deep breathing during the exercises)
Not reported 34–36 °C No significant improvement was observed for intervention group compared to CG Not reported NA NA NA
Segura-Jiménez et al (2013)79 2 Uncontrolled clinical trial Tender point count and immediate pain (VAS – 10 cm) 1 group:
FMS (n=33)
45 min/session, 2×/week, 12 weeks
Protocol: warm-up, general exercises (on Mondays: strength; on Wednesdays: balance), stretching, and relaxation
RPE (Borg): 12±2 points 34 °C Improvement in immediate pain (decreased VAS scores) Not reported Body composition No differences were observed in body composition NA
Sevimli et al (2015)80 5 RCT Pain (VAS – 100 mm) 3 groups:
ISSEP (n=25)
AEP (n=25)
AAEP (n=25)
ISSEP: 15 min/day (3 months) of home-based stretching and strength exercises
AEP and AAEP: 40–50 min/session, 2×/week, 12 weeks
Protocol not described for AEP and AAEP
60–80% maximal HR Not reported Pain improved for AEP and AAEP (lower VAS after treatment) Not reported Health status, endurance, quality of life, depression Improvement in quality of life (greater SF-36 scores), depression (lower BDI scores), health status (lower FIQ scores) and endurance (greater scores for 6MWT) for AAEP and AEP NA
Tomas-Carus et al (2007)81 7 RCT FM impact (FIQ total score) 2 groups:
EG (n=17)
CG (n=17)
60 min/session, 3×/week, 12 weeks
Protocol: warm-up, mobility exercises, aerobic exercises, lower limb exercises, cool-down exercises, and relaxation
60–65% maximal hear rate 33 °C Improvement of FM impact (lower FIQ scores) NA FIQ subscores (including pain) Improvement of all FIQ subscores (lower scores for all, including pain) Not reported
Tomas-Carus et al (2009)82 7 RCT FM impact (FIQ total score and subscores, including pain) and anxiety state (STAI) 2 groups:
EG (n=15)
CG (n=15)
60 min/session, 3×/week, 24 weeks
Protocol: warm-up, mobility exercises, aerobic exercises, lower limb exercises, cool-down exercises
60–65% maximal hear rate 33 °C Significant reduction of FM impact (lower FIQ total scores, and FIQ pain subscores) Treatment effect of −0.5 (−1.8 to 0.7) for the FIQ pain subscore Physical fitness Improvement of physical fitness (increase in maximal oxygen uptake, and increased scores for mobility and balance tests) NA
Trevisan et al, (2015)31 1 Single-arm study Postural control (center of pressure sway) 1 group:
FMS (n=17)
45 min/session, 2×/week, 16 weeks.
Protocol: familiarization, warm- up, exercises (aerobic and strength exercises for upper and lower limbs and trunk), cool-down stretching, and relaxation
Patient determined 30 °C ±2 °C Improvement in postural sway (lower center of pressure sway in different situations) NA Pain (VAS – 100 mm during rest and movement) and function (FIQ) Improvement in pain (lower VAS scores) and function (lower FIQ scores) VAS:
Rest: −2.12 (−2.90 to −1.23)
Movement:
–1.94 (−2.70 to −1.08)

Abbreviations: 6MWT, 6-min walking test; AAEP, pool-based aquatic aerobic exercise program; ABD, aquatic biodance; AEP, gymnastic-based aerobic exercise program; AIMS, Arthritis Impact Measurement Scales; ARG, aquatic respiratory exercise-based program; BDI, Beck Depression Inventory; CG, control group; DWR, deep water running; Edu, education group; EG, exercise group; EuroQoL-5D, EuroQol Research Foundation Quality of Life Questionnaire; EuroQoL-VAS, EuroQol Research Foundation Quality of Life Questionnaire Visual Analog Scale; Ex, exercise group; Ex-Edu, exercise and education group; FIQ, Fibromyalgia Impact Questionnaire; FMS, fibromyalgia syndrome; HAS, Hamilton Anxiety Scale; HDRS, Hamilton Depression Rank Scale; HG, hydrotherapy group; HR, heart rate; HRQOL, health-related quality of life; HT, hydrotherapy; ISSEP, home-based isometric strength and stretching exercise program; LE, land-based exercise group; LTPAI, leisure-time physical activity instrument; MMPP+DWR, multimodal physiotherapy program+deep water running; MPI-S, Multidimensional Pain Inventory – Swedish Version; MPQ, McGill Pain Questionnaire; NA, not applicable; NPRS, numerical pain rating scale; PASAT, Paced Auditory Serial Addition Task; PE, pool-based exercise group; PPT, pressure pain threshold; PSQI, Pittsburgh Sleep Quality Index; PTM, physical therapy modalities; PTM+BT, photobiomodulation+balneotherapy; PTM+HT, photobiomodulation+hydrotherapy; RCT, randomized controlled trial; ROM, range of motion; RPE, rate of perceived exertion; SAI, State Anxiety Inventory; SF-36, Medical Outcomes Study 36-item Short Form Health Survey; STAI, State-Trait Anxiety Inventory; TENS, transcutaneous electrical nerve stimulation; TG, training group; VAS, visual analog scale; VAT, ventilatory anaerobic threshold; VO2, oxygen uptake.