From: Seasonal variation of cardiac structure and function in the elite rugby football league athlete
ENDPRE Mean ± SD (Range) | MIDCOMP Mean ± SD (Range) | ENDCOMP Mean ± SD (Range) | ENDOFF Mean ± SD (Range) | |
---|---|---|---|---|
LV Longitudinal | ||||
Global ɛ (%) | − 19.2 ± 2.2 (− 16.3 to − 23.7) | − 19.5 ± 1.3 (− 16.5 to − 21.4) | − 19.4 ± 1.4 (− 16.0 to–21.6) | − 19.4 ± 1.2 (− 17.5 to − 21.6) |
Time to Peak ɛ (s) | 0.37 ± 0.03 (0.32–0.43) | 0.37 ± 0.03 (0.33–0.41) | 0.38 ± 0.02 (0.33–0.41) | 0.37 ± 0.03 (0.33–0.44) |
SRS (s−1) | − 0.94 ± 0.13 (− 0.72 to − 1.31) | − 0.96 ± 0.10 (− 0.81 to − 1.19) | − 0.93 ± 0.08 (− 0.80 to − 1.12) | − 0.94 ± 0.09 (− 0.69 to − 1.12) |
SRE (s−1) | 1.36 ± 0.18 (1.01–1.63) | 1.43 ± 0.14 (1.20–1.71) | 1.44 ± 0.14 (1.11–1.66) | 1.40 ± 0.15 (1.09–1.62) |
SRA (s−1) | 0.56 ± 0.10 (0.37–0.80) | 0.58 ± 0.14 (0.36–0.93) | 0.55 ± 0.09 (0.36–0.75) | 0.59 ± 0.09 (0.41–0.79) |
LV Circumferential | ||||
Global ɛ (%) | − 19.1 ± 2.0 (− 16.6 to − 23.3) | − 18.3 ± 1.4 (− 16.1 to − 21.2) | − 18.1 ± 2.1 (− 14.4 to − 21.4) | − 17.5 ± 2.09 (− 14.0 to − 20.4) |
Time to Peak ɛ (s) | 0.37 ± 0.02 (0.31–0.40 | 0.37 ± 0.03 (0.32–0.42) | 0.39 ± 0.04 (0.33–0.48) | 0.38 ± 0.03 (0.32–0.44) |
SRS (s−1) | − 1.08 ± 0.13 (− 0.90 to − 1.34) | − 1.04 ± 0.13 (− 0.84 to–1.41) | − 1.01 ± 0.11 (− 0.82 to − 1.23) | − 0.98 ± 0.13 (− 0.78 to − 1.19) |
SRE (s−1) | 1.56 ± 0.31 (0.86–2.34) | 1.46 ± 0.24 (1.02–1.94) | 1.42 ± 0.19 (0.98–1.72) | 1.36 ± 0.23 (0.97–1.95) |
SRA (s−1) | 0.44 ± 0.14 (0.29–0.77) | 0.38 ± 0.11 (0.22–0.72) | 0.37 ± 0.11 (0.19–0.61) | 0.40 ± 0.12 (0.18–0.59) |
LV Radial | ||||
Global ɛ (%) | 46.5 ± 12.8 (27.1–70.2) | 49.7 ± 10.3 (34.6–68.4) | 51.5 ± 11.5 (31.7–76.7) | 45.6 ± 10.9 (28.3–75.0) |
Time to Peak ɛ (s) | 0.41 ± 0.03 (0.34–0.48) | 0.42 ± 0.03 (0.36–0.47) | 0.42 ± 0.04 (0.35–0.49) | 0.41 ± 0.04 (0.36–0.49) |
SRS (s−1) | 1.51 ± 0.23 (1.11–1.98) | 1.55 ± 0.24 (1.06–2.05) | 1.60 ± 0.26 (1.29–2.40) | 1.54 ± 0.22 (1.22–1.97) |
SRE (s−1) | − 2.05 ± 0.61 (− 0.99 to − 4.08) | − 2.04 ± 0.33 (− 1.46 to–2.86) | − 2.08 ± 0.47 (− 1.29 to − 2.96) | − 1.97 ± 0.33 (− 1.41 to − 2.59) |
SRA (s−1) | − 0.85 ± 0.26 (− 0.53 to − 1.30) | − 0.96 ± 0.42 (− 1.74 to–0.17) | − 0.93 ± 0.36 (− 0.42 to − 1.92) | − 0.90 ± 0.25 (− 0.47 to − 1.50) |
LV rotation | ||||
Basal rotation (o) | − 7.08 ± 3.05 (− 0.29 to − 11.7) | − 6.81 ± 2.50 (− 3.18 to − 13.42) | − 6.78 ± 3.22 (− 0.08 to − 13.75) | − 6.29 ± 1.82 (− 2.97 to − 8.61) |
Apical rotation (o) | 9.83 ± 3.95*†∫ (3.35–16.79) | 6.13 ± 2.84* (1.88–11.59) | 5.84 ± 3.15† (0.79–11.52) | 6.60 ± 3.07∫ (2.09–13.98) |
Twist (o) | 16.55 ± 4.71*†∫ (6.49–22.63) | 12.62 ± 3.97* (3.66–19.9) | 12.12 ± 4.53† (5.55–19.51) | 12.35 ± 3.45∫ (7.38–19.43) |