Visualizing how flutter kick vertical vortices generate propulsion and suppress body sway in swimmers
They analyzed how this kicking motion generates propulsive force and contributes to body stabilization, demonstrating that the vertical vortices resulting from the alternating left and right leg movements not only impart forward propulsion but also suppress body sway. These results provide a fluid-dynamical explanation of the functional value of the flutter kick. In competitive swimming, both upper- and lower-limb motions play important roles in propulsion.
- ▪They analyzed how this kicking motion generates propulsive force and contributes to body stabilization, demonstrating that the vertical vortices resulting from the alternating left and right leg movements not only impart forward propulsion
- ▪These results provide a fluid-dynamical explanation of the functional value of the flutter kick.
- ▪In competitive swimming, both upper- and lower-limb motions play important roles in propulsion.
Phys.org files mainly under science. We currently carry 1,272 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
inspect →
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | Phys.org |
| Canonical URL | https://phys.org/news/2026-05-visualizing-flutter-vertical-vortices-generate.html |
| Publication time | Mon, 25 May 2026 13:40:02 EDT |
| Retrieval time | 2026-05-25T17:42:39.407Z |
| Last seen | 2026-05-25T17:42:40.480Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | lAigZITNes8a |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
May 25, 2026 Visualizing how flutter kick vertical vortices generate propulsion and suppress body sway in swimmers by University of Tsukuba edited by Gaby Clark, reviewed by Robert Egan Gaby Clark Scientific Editor Meet our editorial team Behind our editorial process Robert Egan Associate Editor Meet our editorial team Behind our editorial process Editors' notes This article has been reviewed according to Science X's editorial process and policies. Editors have highlighted the following attributes while ensuring the content's credibility: fact-checked peer-reviewed publication trusted source proofread The GIST Add as preferred source Credit: Pexels Researchers at University of Tsukuba used advanced techniques to visualize the water flow generated by flutter kicking during front-crawl…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Phys.org.