Table 4.
Twin correlations (95% CI) and standardized estimates (95% CI) of additive (A) genetic influences, dominant (D) genetic influences or shared environmental (C), and unique environmental (E) influences on the Feeling Scale and RPE responses and AD ACL subscales Energy, Calmness, Tiredness and Tension
| rMZ | rDZ/sibling | ACE/ADE model | Best fitting | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
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| A | C | D | E | |||||||
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| Cycle ergometer | Exercise | FS | .20 (.02, .36) | .01 (−.15, .16) | .00 (.00, .29) | .19 (.00, .35) | .81 (.65, .98) | A = .15 (.00, .31) | E = .85 (.69, 1) | |
| RPE | .25 (.06, .43) | .20 (.04, .34) | .08 (.00, .41) | .17 (.00, .34) | .75 (.59, .89) | A = .29 (.13, .43) | E = .71 (.57, .87) | |||
| Recovery | Energy | .35 (.17, .50) | .24 (.09, .38) | .25 (.00, .50) | .10 (.00, .36) | .65 (.50, .82) | A = .37 (.23, .51) | E = .63 (.49, .78) | ||
| Calmness | .24 (.05, .40) | .03 (−.11, .18) | .00 (.00, .32) | .22 (.00, .38) | .78 (.62, .95) | A = .19 (.02, .34) | E = .81 (.66, .98) | |||
| Tiredness | .10 (−.10, .29) | −.02 (−.17, .13) | .00 (.00, .23) | .09 (.00, .27) | .91 (.73, 1) | E = 1 | ||||
| Tension | .26 (.08, .41) | .10 (−.05, .25) | .31 (.00, .38) | .09 (.00, .41) | .75 (.59, .91) | A = .24 (.08, .38) | E = .76 (.62, .92) | |||
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| Treadmill | Exercise | FS | .23 (.07, .38) | .14 (−.01, .29) | .12 (.00, .38) | .11 (.00, .30) | .77 (.62, .92) | C = .19 (.08, .30) | E = .81 (.70, .92) | |
| RPE | .33 (.20, .48) | .20 (.05, .34) | .23 (.00, .47) | .10 (.00, .36) | .67 (.53, .83) | A = .35 (.20, .48) | E = .65 (.52, .80) | |||
| Recovery | Energy | .23 (.04, .40) | .23 (.09, .36) | .01 (.00, .39) | .21 (.00, .33) | .78 (.61, .90) | C = .22 (.10, .33) | E = .78 (.67, .90) | ||
| Calmness | .21 (.04, .34) | .09 (−.06, .24) | .16 (.00, .35) | .05 (.00, .37) | .79 (.63, .94) | A= .21 (.05, .35) | E = .79 (.65, .95) | |||
| Tiredness | .11 (−.07, .27) | .13 (−.02, .27) | .00 (.00, .28) | .13 (.00, .24) | .87 (.72, .99) | E = 1 | ||||
| Tension | .17 (−.02 .34) | .03 (−.17, .12) | .00 (.00, .25) | .13 (.00, .30) | .87 (.70, 1) | E = 1 | ||||
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| Maximal Exercise | Recovery | Energy | .39 (.24 .52) | .07 (−.09, .22) | .06 (.00, .48) | .33 (.00, .52) | .61 (.48, .76) | A = .37 (.22, .49) | E = .63 (.51, .78) | |
| Calmness | .38 (.23, .51) | .14 (−.03, .29) | .11 (.00, .48) | .27 (.00, .51) | .62 (.49, .78) | A = .36 (.21, .49) | E = .64 (.51, .79) | |||
| Tiredness | .33 (.15, .48) | .16 (.01, .30) | .32 (.00, .46) | .00 (.00, .44) | .68 (.54, .83) | A = .32 (.17, .46) | E = .68 (.54, .83) | |||
| Tension | .09 (−.10 .27) | .11 (−05, .27) | .00 (.00, .27) | .11 (.00, .23) | .89 (.73, 1) | E = 1 | ||||