---
title: Muscles move bones by pulling, never pushing; the biceps on the fron… — Cells, bones and muscles · tree and pragmatics
description: Muscles move bones by pulling, never pushing; the biceps on the front of the arm shortens to bend the elbow, and the triceps at the back pulls to straighten it. Who acts: Muscles, biceps, triceps. A sentence of the lesson «Cells, bones and muscles» of the biology course of Mova's primary school with
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/15/)

<!-- crumbs -->
[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/) / [Cells, bones and muscles](https://md.mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/) / 15

# Cells, bones and muscles, sentence 15

<!-- .ven lang=en -->
Muscles move bones by pulling, never pushing; the biceps on the front of the arm shortens to bend the elbow, and the triceps at the back pulls to straighten it.

<!-- .vintro -->
**Who acts:** Muscles, biceps, triceps · **What happens:** move, pull, not push, shorten, bend, straighten · **To what, where:** bones, elbow

<!-- .vabout -->
This is a sentence of the lesson «Cells, bones and 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:064-cells-bones-and-muscles.lesson:15
# text = Muscles move bones by pulling, never pushing; the biceps on the front of the arm shortens to bend the elbow, and the triceps at the back pulls to straighten it.
# source = school lesson (ours)
# course = biology
# lesson = 064-cells-bones-and-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): R5-strong ×2, R6-punct-agree ×1, R7-rel-agree ×3
1	Muscles	muscle	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	move	move	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	bones	bone	NOUN	NNS	Number=Plur	2	obj	_	_
4	by	by	SCONJ	IN	_	5	mark	_	Agree=R7-rel-agree|Haiku=5:case|HaikuPos=ADP:IN:_
5	pulling	pull	VERB	VBG	VerbForm=Ger	2	advcl	_	Agree=R7-rel-agree|Haiku=2:obl|HaikuPos=NOUN:NN:Number=Sing
6	,	,	PUNCT	,	_	8	punct	_	_
7	never	never	ADV	RB	PronType=Neg	8	advmod	_	_
8	pushing	push	VERB	VBG	Tense=Pres|VerbForm=Part	2	conj	_	_
9	;	;	PUNCT	:	_	11	punct	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	biceps	biceps	NOUN	NNS	Number=Plur	18	nsubj	_	_
12	on	on	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	front	front	NOUN	NN	Number=Sing	11	nmod	_	Agree=R5-strong|Haiku=18:obl
15	of	of	ADP	IN	_	17	case	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	arm	arm	NOUN	NN	Number=Sing	14	nmod	_	_
18	shortens	shorten	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	parataxis	_	_
19	to	to	PART	TO	_	20	mark	_	_
20	bend	bend	VERB	VB	VerbForm=Inf	18	advcl	_	Agree=R7-rel-agree|Haiku=18:xcomp
21	the	the	DET	DT	Definite=Def|PronType=Art	22	det	_	_
22	elbow	elbow	NOUN	NN	Number=Sing	20	obj	_	_
23	,	,	PUNCT	,	_	30	punct	_	Agree=R6-punct-agree|Haiku=26:punct
24	and	and	CCONJ	CC	_	26	cc	_	_
25	the	the	DET	DT	Definite=Def|PronType=Art	26	det	_	_
26	triceps	triceps	NOUN	NNS	Number=Plur	30	nsubj	_	_
27	at	at	ADP	IN	_	29	case	_	_
28	the	the	DET	DT	Definite=Def|PronType=Art	29	det	_	_
29	back	back	NOUN	NN	Number=Sing	26	nmod	_	Agree=R5-strong|Haiku=30:obl
30	pulls	pull	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	18	conj	_	_
31	to	to	PART	TO	_	32	mark	_	_
32	straighten	straighten	VERB	VB	VerbForm=Inf	30	advcl	_	_
33	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	32	obj	_	_
34	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **move** | present | Muscles | bones |  |  |  |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent bone=Theme |
| 2 | **pull** | gerund | Muscles *not said here* |  |  |  |  |  | vn slide-11.2 «NP V»: agent=Theme |
| 3 | **not** **push** | gerund | Muscles *not said here* |  |  |  |  |  | vn push-12-1-1 «NP V PP»: agent=Agent |
| 4 | **shorten** | present | the biceps on the front of the arm |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 5 | **bend** | to-infinitive | the biceps on the front of the arm *not said here* | the elbow |  |  |  |  | vn knead-26.5 «NP V NP.material»: agent=Agent elbow=Material |
| 6 | **pull** | present | the triceps at the back |  |  |  |  |  | vn slide-11.2 «NP V»: agent=Theme |
| 7 | **straighten** | to-infinitive | the triceps at the back *not said here* | elbow |  |  |  |  | vn bend-45.2 «NP V NP.patient»: agent=Agent it=Patient |

<!-- .note -->
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.

<!-- div src -->

**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:064-cells-bones-and-muscles.lesson:15`.

**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): R5-strong ×2, R6-punct-agree ×1, R7-rel-agree ×3. **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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Cells, bones and muscles, 14](https://md.mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/14/)
- next →: [Cells, bones and muscles, 17](https://md.mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/17/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/)

