Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40798-022-00508-w/MediaObjects/40798_2022_508_Fig2_HTML.png)
Dose-response relationship between total protein intake and change in muscle strength. Spline curves illustrating the associations between total protein intake and change% in muscle strength for a trials with RT, and b trials without RT. The solid line and dashed line represent the mean change% in muscle strength and 95% CI, respectively. Abbreviations: RT, resistance training; BW, body weight