--- title: Muscles can only pull, never push, so they work in pairs: the biceps… — Muscles and joints by name: biceps, triceps, kne… · tree and pragmatics description: Muscles can only pull, never push, so they work in pairs: the biceps bends the elbow and the triceps straightens it. Who acts: Muscles, biceps, triceps. A sentence of the lesson «Muscles and joints by name: biceps, triceps, knees, elbows and the busiest muscles» of the biology course of Mova's prima --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/360-muscles-and-joints-by-name-biceps-triceps-knees-elbows-and-the-busiest-muscles/7/) [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/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Muscles and joints by name: biceps, tr…](https://md.mova.elamur.ai/free/en/corpora/school/biology/360-muscles-and-joints-by-name-biceps-triceps-knees-elbows-and-the-busiest-muscles/) / 7 # Muscles and joints by name: biceps, triceps, knees, elbows and the busiest muscles, sentence 7 Muscles can only pull, never push, so they work in pairs: the biceps bends the elbow and the triceps straightens it. **Who acts:** Muscles, biceps, triceps · **What happens:** pull, not push, work, bend, straighten · **To what, where:** elbow, body This is a sentence of the lesson «Muscles and joints by name: biceps, triceps, knees, elbows and the busiest muscles» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Muscles, biceps, triceps), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:360-muscles-and-joints-by-name-biceps-triceps-knees-elbows-and-the-busiest-muscles.lesson:7 # text = Muscles can only pull, never push, so they work in pairs: the biceps bends the elbow and the triceps straightens it. # source = school lesson (ours) # course = biology # lesson = 360-muscles-and-joints-by-name-biceps-triceps-knees-elbows-and-the-busiest-muscles.lesson # annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×1 1 Muscles muscle NOUN NNS Number=Plur 4 nsubj _ _ 2 can can AUX MD VerbForm=Fin 4 aux _ _ 3 only only ADV RB _ 4 advmod _ _ 4 pull pull VERB VB VerbForm=Inf 0 root _ _ 5 , , PUNCT , _ 7 punct _ _ 6 never never ADV RB PronType=Neg 7 advmod _ _ 7 push push VERB VB VerbForm=Inf 4 conj _ _ 8 , , PUNCT , _ 11 punct _ _ 9 so so ADV RB _ 11 advmod _ _ 10 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 11 nsubj _ _ 11 work work VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 parataxis _ Agree=R7-rel-agree|Haiku=4:advcl 12 in in ADP IN _ 13 case _ _ 13 pairs pair NOUN NNS Number=Plur 11 obl _ _ 14 : : PUNCT : _ 16 punct _ _ 15 the the DET DT Definite=Def|PronType=Art 16 det _ _ 16 biceps biceps NOUN NNS Number=Plur 17 nsubj _ _ 17 bends bend VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 11 parataxis _ _ 18 the the DET DT Definite=Def|PronType=Art 19 det _ _ 19 elbow elbow NOUN NN Number=Sing 17 obj _ _ 20 and and CCONJ CC _ 23 cc _ _ 21 the the DET DT Definite=Def|PronType=Art 22 det _ _ 22 triceps triceps NOUN NNS Number=Plur 23 nsubj _ _ 23 straightens straighten VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 17 conj _ _ 24 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 23 obj _ _ 25 . . PUNCT . _ 4 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **pull** | can | Muscles | | | | | | vn slide-11.2 «NP V»: agent=Theme | | 2 | **not** **push** | infinitive | Muscles *not said here* | | | | | | vn push-12-1-1 «NP V PP»: agent=Agent | | 3 | **work** | present | muscles *= muscle* | | | | | in pairs | vn employment-95.3 «NP V PP.theme»: agent=Agent in pair=Theme | | 4 | **bend** | present | the biceps | the elbow | | | | | vn knead-26.5 «NP V NP.material»: agent=Agent elbow=Material | | 5 | **straighten** | present | the triceps | body | | | | | vn bend-45.2 «NP V NP.patient»: agent=Agent it=Patient | One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree. **Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:360-muscles-and-joints-by-name-biceps-triceps-knees-elbows-and-the-busiest-muscles.lesson:7`. **The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence. See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Muscles and joints by name: biceps, tr…, 6](https://md.mova.elamur.ai/free/en/corpora/school/biology/360-muscles-and-joints-by-name-biceps-triceps-knees-elbows-and-the-busiest-muscles/6/) - next →: [Muscles and joints by name: biceps, tr…, 8](https://md.mova.elamur.ai/free/en/corpora/school/biology/360-muscles-and-joints-by-name-biceps-triceps-knees-elbows-and-the-busiest-muscles/8/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/360-muscles-and-joints-by-name-biceps-triceps-knees-elbows-and-the-busiest-muscles/)