Pre to post changes in swimming start performance after 3-weeks of sea level (SLT) and altitude training (AT).

<p>Pre to post changes in swimming start performance after 3-weeks of sea level (SLT) and altitude training (AT).</p

Percent changes in swimming start performance after the sea level training (SLT) and altitude training (AT) periods.

<p>T5, Time to 5 m; T10, Time to 10 m; T15, Time to 15 m; HTOV, Horizontal take-off velocity. *, Significant differences between percent changes (<i>P</i> < 0.05). Standard deviations have been omitted for clarity but are contained in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0160401#pone.0160401.t002" target="_blank">Table 2</a>.</p

Swimmer ready to perform the freestyle track start.

<p>Note: The individual in this picture has given written informed consent (as outlined in PLOS consent form) to publish this photograph.</p

Percent changes in loaded squat jump performance (peak velocity) after the sea level training (SLT) and altitude training (AT) periods.

<p>BW, Body weight. Standard deviations have been omitted for clarity but are contained in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0160401#pone.0160401.t003" target="_blank">Table 3</a>.</p

Descriptive characteristics of the study sample.

<p>Descriptive characteristics of the study sample.</p

Graphical representation of the measurement equipment used to analyze swimming start performance.

<p>Note that another starting flash (not depicted) was positioned at the other poolside perpendicular to the overwater camera.</p

Pre to post changes in loaded squat jump peak velocity after 3-weeks of sea level (SLT) and altitude training (AT).

<p>Pre to post changes in loaded squat jump peak velocity after 3-weeks of sea level (SLT) and altitude training (AT).</p