The table below shows an athlete’s adaptations from training that occurred over 14 weeks.
\begin{array}{|l|l|}
\hline \text{Adaptation} & \text{Result} \\
\hline \text{% slow-twitch muscle fibre} \quad & \text{Increase} \\
\hline \text{Aerobic capacity} & \text{Increase} \\
\hline \text{Number of capillaries} & \text{Increase} \\
\hline \text{Anaerobic capacity} & \text{No change} \\
\hline
\end{array}
Which is the most likely method of training to have been undertaken?
- Circuit training
- Fartlek training
- Resistance training
- Continuous training