--- title: Eyes, backs and thumbs — a lesson of Mova's school · trees and pragmatics description: «Eyes, backs and thumbs», a lesson of the everyday course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: After two hours of Roblox curled over his tablet like a prawn, Kai stood up and said «ow, my neck» in the voice of his grandad. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Everyday](https://md.mova.elamur.ai/free/en/corpora/school/everyday/) / Eyes, backs and thumbs # Eyes, backs and thumbs Lesson 420 of the everyday course of Mova's primary school: 28 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/everyday/420-eyes-backs-and-thumbs/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/0/) — After two hours of Roblox curled over his tablet like a prawn, Kai stood up and said «ow, my neck» in the voice of his grandad. - [1](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/1/) — His mum laughed, then showed him how to sit back with the screen held up near eye level, so his head was not hanging forward. - [2](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/2/) — Ollie liked to play lying on his tummy on the floor; it was comfy for twenty minutes and his back ached the whole next day. - [3](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/3/) — How you sit matters as much as how long you sit. - [5](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/5/) — Priya's eyes went blurry after a long game, because people blink less when they stare at a screen and eyes get tired from looking at something close for a long time. - [6](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/6/) — Her dad taught her the 20-20-20 rule: every twenty minutes, look at something about twenty feet away (about six metres, like the far side of a big room) for twenty seconds. - [7](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/7/) — Theo thought playing in the pitch dark was cooler, like a cinema. - [8](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/8/) — He got headaches, and when he switched on a lamp they went away, because a bright screen in a dark room is hard on the eyes. - [9](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/9/) — Ruby forgot to drink anything for three hours of Minecraft and ended up tired, thirsty and headachey; now a water bottle lives next to her console. - [10](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/10/) — Zara's optician asked her how long she plays. - [11](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/11/) — Zara went red and felt a bit nervous, but her eyes were fine; the optician just said to keep taking breaks and come back for regular checks. - [12](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/12/) — Jayden started doing star jumps between Fortnite matches. - [13](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/13/) — His squad laughed at first, then saw him on camera bouncing about and joined in; now the whole squad does «jump breaks», including his cousin in Australia. - [14](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/14/) — Noah's dad got him a proper chair, and his back stopped aching. - [15](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/15/) — And Mia's rule is simple: after an hour of games she goes outside and kicks a football about, then comes back with fresh energy. - [16](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/16/) — A body needs running about every day as much as a brain likes games. - [17](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/17/) — Sitting hunched with your head bent forward over a screen strains the neck and back. - [18](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/18/) — Holding a screen nearer eye level and sitting back supported is easier on the neck. - [19](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/19/) — Staying in one position for a long time, sitting or lying, makes muscles stiff and achy. - [20](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/20/) — Sore thumbs or hands after playing are a sign to take a break, not a badge of skill. - [21](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/21/) — People blink less when staring at screens, which can make eyes feel dry and tired. - [22](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/22/) — The 20-20-20 rule: every 20 minutes, look at something about 20 feet away for 20 seconds. - [23](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/23/) — Playing with a bright screen in a dark room can cause eye strain and headaches, so a light on helps. - [24](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/24/) — Forgetting to drink during long games can leave you tired and headachey. - [25](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/25/) — Short movement breaks between games, like star jumps or a walk, keep the body fresh. - [26](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/26/) — Regular eye checks with an optician can catch problems early. - [27](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/27/) — Children need about an hour of active play every day. - [28](https://md.mova.elamur.ai/free/en/corpora/school/everyday/420-eyes-backs-and-thumbs/28/) — If pain does not go away after resting, tell a grown-up, who may take you to a doctor. - ← previous: [Homework first?](https://md.mova.elamur.ai/free/en/corpora/school/everyday/419-homework-first/) - next →: [Screen-time rules and arguments](https://md.mova.elamur.ai/free/en/corpora/school/everyday/421-screen-time-rules-and-arguments/) - ↑ back to [Everyday](https://md.mova.elamur.ai/free/en/corpora/school/everyday/)