Skip to main content
. 2020 Jan 9;10:1550. doi: 10.3389/fphys.2019.01550

Table 2.

Studies characteristics.

References Study type Intensity and description of exercise Subjects Inflammatory markers Measure points Findings
Gonzalo-Calvo et al. (2015) Cross-sectional Intense: 10 km-race (89.12% VO2max) 9 M
Amateur runners
Training experience: 6.6 ± 5.0 yr and 69.7 ± 5.0 km/wk
PBMC: WBC, lymphocytes
Cytokines: IL-6, IL-8, and IL-10
1.5 h before exer, 10 min, 1 day and 3 days after ↑WBC, Lymphocytes and NK cells 10 min after exer
↑CK from 10 min to 1 day after exer
↔IL-8, IL-6, IL-10, and CRP
Intense: HM (81.50% VO2max) CRP
CK
↑WBC, NK cells, IL-6, IL-10 and CRP 10 min after exer
↑NK cells 10 min and 1 day after exer
↑CK and CRP from 10 min to 1 day and ↓after that
↔Lymphocytes and IL-8
Intense: Marathon (68.70% VO2max) ↑WBC, NK cells, IL-6, IL-8, IL-10 and CRP 10 min after exer
↑CK and CRP from 10 min to 1 day and ↓after that
↔Lymphocytes
Wadley et al. (2015) Cross-sectional Intense: LV-HIIE (90% VO2max) and high (80% VO2max)
10 × 1 min cycling of LV-HIIE with 1 min interval
20 min cycling of high exercise
10 M
Untrained
PBMC: Lymphocytes
Cytokines: IL-6 and IL-10
Before, at the end and 30 min after exer ↑Lymphocytes at the end, returns to baseline in 30 min
↑IL-10 30 min at the end
↑IL-6 at the end and 30 min after exer
Moderate: cycled for 27 min(60% VO2max) ↑Lymphocytes at the end and returns to baseline in 30 min
↑IL-6 at the end and 30 min after exer
↔IL-10
Ulven et al. (2015) Cross-sectional Intense: Cycled for 1 h repeated twice
(70% VO2max, % HRmax ≅ 87.8%, and Borg scale ≅ 15.4)
10 M
Very good physical fitness
Cytokines: IL-6, IL-10, and TNF-α Before and at the end of cycle test ↑IL-6, IL-10, and TNF-α at the end of exer
Azizbeigi et al. (2015) Controlled Trial Intense: Resistance training (85–90% of 1 RM)
3 sets of 10–12 repetitions and 1–2 min rest between sets
Moderate: Resistance training
(65–70% of 1 RM)
3 sets of 3–6 repetitions and 3–4 min rest between sets
30 M
(10 control, 10 moderate intensity and 10 high intensity)
Untrained but physically active (running, volleyball or soccer)
Cytokines: IL-6 and TNF-α
CK
Before, at the end and 3 days after training program ↔IL-6, TNF-α, and CK
Stelzer et al. (2015) Cross-sectional Intense: Cycling race (98.68% HRmax)
8 h of competition and
8 h of rest during 4 days
7 (3 F: 4 M)
Moderately trained amateur athletes
Training experience 7.5 ± 3.9 h/wk
PBMC: WBC and lymphocytes
Cytokines: IL-6
CK
2 days pre-race and 15 min post-race ↑WBC, lymphocytes, IL-6, and CK post-race
Abbasi et al. (2013) Cross-sectional Intense: HM in competition conditions
(V ≅ 13.26 km/h for men and 11.11 km/h for women)
Timing: 95.5 ± 8 min for men and 114 ± 12 min for women
16 (8 F: 8 M)
Well-trained athletes
Training experience: endurance training for at least 2 yr;
PBMC: WBC and lymphocytes; Before, 30 min,
3 h and 24 h after exer;
↑WBC at 30 min and 3 h after exer↓Lymphocytes at 30 min and 3 h after exer
Draganidis et al. (2013) Cross-sectional Intense: Resistance training: squat, seated leg extension, horizontal leg curls, barbell side lunges, and calf raises; (85–90% 1 RM)
4 sets, 4–6 repetitions per set with 3 min rest
Training during around 40–45 min following of 10 min warm-up
10 M
Elite football players
Training experience: 6 training sessions/wk
PBMC: WBC
CRP
CK
After, at the end, and daily for 3 days after the exer ↑CRP at the end to 1 day and after returns to baseline
↑CK at 2 days and after returns to baseline
↔WBC
Moderate: Resistance training: squat, seated leg extension, horizontal leg curls, barbell side lunges, and calf raises
(65–70% 1 RM)
4 sets, 8–10 repetitions per set with 1 min rest
Training during around 40–45 min following of 10 min warm-up
↑WBC and CRP at 1 day and after returns to baseline
Higher elevation in CRP, at the end and 24 h after exer
↑CK at 1 day and after returns to baseline
Marklund et al. (2013) Cross-sectional Moderate: 24 h ultra-endurance exer: running, cycling, and kayaking
(46–63% VO2max);
12 sets of 110 min of exer with 10 min rest for food intake
9 M
Well-trained ultra-endurance athletes
Training experience: competed in races with long distance (>48 h)
PBMC: WBC
Cytokines: IL-6, IL-8, IL-1β, and TNF-α
CRP
CK
Before, at the end and 28 h after the exer ↑WBC, IL-6 and CK at the end and ↓28 h after exerc
↑IL-8 and CRP at the end and further ↑at 28 h
↔TNF-α and IL-1β
Nieman et al. (2012) Cross-sectional Intense: 1.75 h cycling followed by 10 km time trial as fast as possible (18.3 ± 1.7 min) total of 2.1 h cycling (Borg scale = 13.3 ± 1.1 and 82.2 ± 6.1% HR max) 31 M
Trained cyclists
Training experience: cycling 75 km
PBMC: WBC and lymphocytes
Cytokines: TNF-a, IL-6, IL-8, IL-10, and IL-1β
Before, at the end and 1 h post-exer ↑WBC and lymphocyte at the end and ↓1 h after exer
↑TNF- α, IL-6, IL-8, IL-10, and IL-1β at the end of exer
↓TNF-α, IL-6, and IL-8 1 h after;
IL-10 and IL-1β continued to ↑1 h after
Bernecker et al. (2011) Cross-sectional Intense: Marathon
(89.3% HRmax)
12 M
Training experience: Finished HM before
PBMC: WBC
Cytokines: IL-6 and TNF- α
Before and 1 h after exer ↑WBC, IL-6, and TNF-α 1 h after exer
Spiropoulos et al. (2010) Cross-sectional Intense: Ultra-endurance foot race over a distance of 246 km (9.08 MET by middle age)
Finished the race in <36 h
10 M
Training experience: done an equal race before
PBMC: WBC
Cytokines: IL-6;
CRP
Before, at the end and 2 days after race ↑WBC, IL-6 and CRP at the end of exer, IL-6 and WBC return to baseline 2 days after but CRP still ↑
Fatouros et al. (2006)* Cross-sectional Intense: 4 × 3 wk resistance training period divided in t1, t2, t3, and t4
t1 and t4: low-volume 70 %1 RM (t1 and t4), 75–85% 1 RM (t2) and 85–100% 1 RM (t3);
2 times per wk, 2 sets per exer, 10–12 repeats per set
t2: high-volume training (4 times per wk, 4 sets per exer, 6–10 repeats per set)
t3: very-high-volume training (6 times per wk, 6 sets per exer, 1–6 repeats per set);
17 M
Amateur athletes
CRP
CK
Before and 96 h after each session of exer ↑CRP after t2 and t3
↑CK after t3 and t4
Degerstrøm and Østerud (2006) Cross-sectional Intense: 2 sets of 30 min run with 4 h rest
(80% VO2max)
7 M
5 elite skiers and 3 competing at the district level
Training experience: 1 to 2 times/day
PBMC: WBC and lymphocytes
Cytokines: IL-6 and IL-8
Before, at the end each run and 2 h after second run WBC:
↑at the end 1st race;
↓before 2nd race;
↑more at the end 2nd race than 1st;
↓2 h after 2nd race;
Lymphocytes and IL-8 ↑after 1st and 2nd run, and IL-8 ↓2 h after 2nd race
↔IL-6
Connolly et al. (2004) Controlled Trial Intense: 30 min cycling (80% VO2max)
15 M
Amateur athletes
PBMC: WBC and lymphocytes
Cytokines: IL-6
Before, at the end and 1 h after exer ↑WBC and lymphocytes at the end of exer and return to baseline
↑IL-6 1 h after exer
Bonsignore et al. (2001) Cross-sectional Intense: Marathon
(15.07 MET by middle age)
8 M
Amateur athletes
Training experience: 77 ± 15 km/wk and 14 ± 10 yr
PBMC: WBC and lymphocytes After and at the end of exer ↑WBC at the end of exer↓Lymphocytes at the end of exer
Mucci et al. (1999) Controlled Trial Intense:
(75and 100% of VO2max);
Moderate:
(50% of VO2max);


Cycling at 30 Watts for untrained and 60 watts for trained athletes with successive increases of 30 watts every minute (at the end of test the increase was smaller)
22 M
11 highly trained endurance athletes (athletes group)
Training experience: 5.2 ± 06 yr and 16.3 ± 1 h/wk
Cytokines: IL-1β and IL-8 Before the exer, at 50% VO2max, 75% VO2max, 100% VO2max and recovery (5 min after) ↑IL-1β both intensities and returns to baseline in recovery↑IL-8 both intensities and returns to baseline in recovery
11 untrained group but physically active (control) ↑IL-8 at 100% VO2max↔IL-1β
Brenner et al. (1999)# Randomize controlled Trial Intense: Cycling for 5 min
(90% VO2max)
8 M
Moderately fit
PBMC: NK cells and NK Cytolytic activity
Cytokines: IL-6, TNF-α and IL-10
CK
30 min before, at the end, 3 h, 1 day and 3 days after each test ↑NK cells at the end of exer and return to baseline 3 h after
↑Citolytic activity at the end of exer;
↓IL-10 from 3 h to 3 days after
↔IL-6, TNF- α, and CK
Upper limit of moderate: 2 h cycling
(60–65% VO2max)
↑NK cells at the end of exer and return to baseline 3 h after
↑Citolytic activity at the end of exer
↑IL-6 at the end to 3 h after exer
↑TNF-α from 3 h to 3 days after exer
↔IL-10
Moderate: 3 sets of 10 repeats in resistance training (bicep curl, knee extension, hamstring, curl, bench press, and leg press) (60–70% 1 RM)
↑NK cells at the end of exer and return to baseline 3 h after
↑CK 3 days after exer
↔IL-10, IL-6, IL-10 and NK cells cytolytic activity
Ostrowski et al. (1999) Cross-sectional Intense: Marathon (75.33% VO2max) 10 M Cytokines: TNF-α, IL-1β, IL-6 and IL-10 1 wk before, at the end and every 30 min in the 4 h after exer ↑TNF-α, IL-1β, IL-6 and IL-10 at the end
↓IL-10 and IL-6 (immediately)
↓TNF-α and IL-1β (slowly)

↑, significant increase; ↓, significant decrease; ↔, no change; 1 RM, one repeat maximum; 1st, first; 2nd, second; CK, creatinine kinase; CRP, C-reactive protein; Exer, exercise; F, Female; h, hour; HIGH, high intensity; HM, half marathon; HRmax, maximum heart rate; IL, interleukin; LV-HIIE, high intensity interval exercise; M, male; PBMC, peripheral blood mononuclear cel; TNF-α, Tumor necrosis factor alpha; V, velocity; VO2max, maximum rate of oxygen consumption; WBC, white blood cells; wk, week; yr, years;

*

<75% in STROBE quality scale;

#

<75% in CONSORT quality scale.