{"schemaVersion":1,"id":"en-hub-videos","type":"hub","pillar":"trust","locale":"en","translationGroupId":"hub-videos","slugPath":"videos","title":"The explanatory videos","shortTitle":"Videos","summary":"Nine animated videos explain the mechanisms that are hardest to picture from text alone. Each one sits alongside a written page that carries the sources, the limits and the full transcript.","level":"beginner","estimatedMinutes":4,"synonyms":["videos","animations","animated explanations","transcript","chapters"],"blocks":[{"id":"b1","type":"paragraph","content":[{"kind":"text","value":"Some mechanisms are easier to understand in motion. A cycle that repeats, a molecule that reassembles itself, a sequence that stretches over several hours: text describes them, animation makes them visible."}]},{"id":"b2","type":"paragraph","content":[{"kind":"text","value":"Body Lab videos are short and produced in house, from the same 3D models as the interactive scenes on the site. They are neither recordings of exercises nor clips taken from outside sources."}]},{"id":"b3","type":"heading","level":2,"text":"How a video page works","anchor":"how-a-video-page-works"},{"id":"b4","type":"paragraph","content":[{"kind":"text","value":"Each video is published on its own page, built to the same template."}]},{"id":"b5","type":"list","ordered":false,"items":[[{"kind":"text","value":"The video is visible straight away, with a poster shown before it loads."}],[{"kind":"text","value":"Chapters let you jump directly to a passage."}],[{"kind":"text","value":"The full transcript sits below the video, and reads without starting playback."}],[{"kind":"text","value":"Subtitles are available in French and in English."}],[{"kind":"text","value":"Playback speed can be adjusted."}],[{"kind":"text","value":"On mobile, the playback position is remembered locally so you can pick up where you stopped."}],[{"kind":"text","value":"The sources, the limits and the level of certainty are displayed as on any other page."}]]},{"id":"b6","type":"heading","level":2,"text":"Video, 3D scene and text","anchor":"video-3d-scene-and-text"},{"id":"b7","type":"paragraph","content":[{"kind":"text","value":"Body Lab uses three visual formats, which do not serve the same purpose."}]},{"id":"b8","type":"list","ordered":false,"items":[[{"kind":"text","value":"The "},{"kind":"strong","value":"3D scene"},{"kind":"text","value":" is interactive: you turn the model, select a structure, move forward step by step. It answers the question \"where\"."}],[{"kind":"text","value":"The "},{"kind":"strong","value":"video"},{"kind":"text","value":" is linear: it unrolls a sequence in time, at a pace chosen by the author. It answers the question \"in what order\"."}],[{"kind":"text","value":"The "},{"kind":"strong","value":"text"},{"kind":"text","value":" carries the nuance: what is established, what is probable, what remains uncertain, and what the medium simplifies."}]]},{"id":"b9","type":"paragraph","content":[{"kind":"text","value":"An animation simplifies by design. It picks a scale, a colour, a speed. Every video page therefore states explicitly what the picture leaves out and what it exaggerates for the sake of legibility."}]},{"id":"b10","type":"heading","level":2,"text":"Accessibility and graceful degradation","anchor":"accessibility-and-graceful-degradation"},{"id":"b11","type":"paragraph","content":[{"kind":"text","value":"A video page has to stay useful without the video. The transcript is a text in its own right, not a by-product: it holds the same information, in the same order, and stays readable with a screen reader or offline."}]},{"id":"b12","type":"callout","tone":"note","title":"Watching is never compulsory","content":[[{"kind":"text","value":"No information exists only in animated form. If the video does not load, if you would rather read, or if you browse the site with a screen reader, the text on the page is enough to understand the mechanism."}],[{"kind":"text","value":"It is a principle applied across the whole site, 3D scenes included: a page stays complete without rich media."}]]},{"id":"b13","type":"heading","level":2,"text":"How to work through the videos","anchor":"how-to-work-through-the-videos"},{"id":"b14","type":"paragraph","content":[{"kind":"text","value":"The nine videos are spread across five pillars."}]},{"id":"b15","type":"list","ordered":true,"items":[[{"kind":"strong","value":"Adaptation"},{"kind":"text","value":": muscle growth and protein synthesis."}],[{"kind":"strong","value":"Energy"},{"kind":"text","value":": the ATP–phosphocreatine system, glycogen, and "},{"kind":"link","value":"lasting energy","href":"/en/videos/lasting-energy","external":false},{"kind":"text","value":"."}],[{"kind":"strong","value":"Recovery"},{"kind":"text","value":": sleep and "},{"kind":"link","value":"delayed soreness","href":"/en/videos/why-it-hurts-two-days-later","external":false},{"kind":"text","value":"."}],[{"kind":"strong","value":"Movement"},{"kind":"text","value":": the mechanics of the squat."}],[{"kind":"strong","value":"Body"},{"kind":"text","value":": "},{"kind":"link","value":"what holds a joint together","href":"/en/videos/what-holds-a-joint","external":false},{"kind":"text","value":"."}]]},{"id":"b16","type":"paragraph","content":[{"kind":"text","value":"Each video can be watched on its own, but it makes most sense next to the written page on the same topic. The most effective approach is often to watch first, then read the page for the detail, the sources and what remains uncertain."}]},{"id":"b17","type":"heading","level":2,"text":"All the videos","anchor":"all-the-videos"},{"id":"b18","type":"shapierAction","actionId":"dossier-hypertrophie","label":"Putting hypertrophy and progression into practice","description":"Turning these mechanisms into training progression happens in Shapier; Body Lab only makes them visible on video.","webTarget":"https://shapier.app/en/dossiers/hypertrophie-progression","appTarget":"shapier://dossiers/hypertrophie-progression"},{"id":"b19","type":"relatedContent","title":"The nine Body Lab videos","targetIds":["en-video-muscle-growth","en-video-squat-mechanics","en-video-joints","en-video-atp-system","en-video-aerobic","en-video-glycogen-water","en-video-protein-synthesis","en-video-soreness","en-video-sleep"]}],"relations":[],"authors":["equipe-editoriale-shapier"],"reviewers":["Thanh Chau"],"references":[],"review":{"publishedAt":"2026-08-02","reviewedAt":"2026-08-02","reviewDueAt":"2027-08-02"},"limitations":["This entry page presents the video format and how it works; the scientific content, its sources and its limits sit on each video page."],"seo":{"title":"Videos — the mechanisms of the body explained in pictures","description":"Every explanatory video on Body Lab, how they work, how accessible they are, and the link between each animation and its written page.","canonicalPath":"/en/videos","image":"/og/en/hub-videos.png"},"app":{"offlineEligible":true},"version":1}