Figure 5

The lactic and alactic anerobic energy utilization E ( t )/ E (0) as a function of time t in seconds for different work rates when running with poles at the angle of inclination of 0.105. ______: Lactic energy utilization $E_G\left(t\right)/E_G\left(0\right),E_G\left(0\right)=870J/kg\times m$, - - - - -: Alactic energy utilization $E_{\mathit{CK}}\left(t\right)/E_{\mathit{CK}}\left(0\right),E_{\mathit{CK}}\left(0\right)=830J/kg\times m$ using Model 1, ......: Alactic energy utilization $E_{\mathit{CK}}\left(t\right)/E_{\mathit{CK}}\left(0\right),E_{\mathit{CK}}\left(0\right)=830J/kg\times m$ using Model 2. From below in different colors: pink =$v_8=3.88\text{m}/\text{s},{\overline{Q}}_{\mathit{vir}}=1.09Q_{\mathit{max}}$yellow =$v_7=3.33\text{m}/\text{s},{\overline{Q}}_{\mathit{vir}}=0.94Q_{\mathit{max}}$, green =$v_6=3.19\text{m}/\text{s},{\overline{Q}}_{\mathit{vir}}=0.90Q_{\mathit{max}}$, blue =$v_5=3.08\text{m}/\text{s},{\overline{Q}}_{\mathit{vir}}=0.87Q_{\mathit{max}}$, black =$v_5=3.08\text{m}/\text{s},{\overline{Q}}_{\mathit{vir}}=0.87Q_{\mathit{max}}$ until a recovery phase starts at t = 800s with v = 1.67m/s, ${\overline{Q}}_{\mathit{vir}}=0.47Q_{\mathit{max}}$, red =$v_4=2.83\text{m}/\text{s},{\overline{Q}}_{\mathit{vir}}=0.80Q_{\mathit{max}}$, The exercises are terminated for v₈, v₇ and v₆.