It might just be coincidence or the fact those great big trotters with those extremely long backs lost a bit of fine coordination to get those gangly bodies around those tighter turns.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	5:nsubj|8:nsubj	_
2	might	might	AUX	MD	VerbForm=Fin	5	aux	5:aux	_
3	just	just	ADV	RB	_	5	advmod	5:advmod	_
4	be	be	AUX	VB	VerbForm=Inf	5	cop	5:cop	_
5	coincidence	coincidence	NOUN	NN	Number=Sing	0	root	0:root	_
6	or	or	CCONJ	CC	_	8	cc	8:cc	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	8:det	_
8	fact	fact	NOUN	NN	Number=Sing	5	conj	5:conj:or	_
9	those	that	DET	DT	Number=Plur|PronType=Dem	12	det	12:det	_
10	great	great	ADJ	JJ	Degree=Pos	12	amod	12:amod	_
11	big	big	ADJ	JJ	Degree=Pos	12	amod	12:amod	_
12	trotters	trotter	NOUN	NNS	Number=Plur	18	nsubj	18:nsubj	_
13	with	with	ADP	IN	_	17	case	17:case	_
14	those	that	DET	DT	Number=Plur|PronType=Dem	17	det	17:det	_
15	extremely	extremely	ADV	RB	_	16	advmod	16:advmod	_
16	long	long	ADJ	JJ	Degree=Pos	17	amod	17:amod	_
17	backs	back	NOUN	NNS	Number=Plur	12	nmod	12:nmod:with	_
18	lost	lose	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	8	acl	8:acl	_
19	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	20:det	_
20	bit	bit	NOUN	NN	Number=Sing	18	obj	18:obj	_
21	of	of	ADP	IN	_	23	case	23:case	_
22	fine	fine	ADJ	JJ	Degree=Pos	23	amod	23:amod	_
23	coordination	coordination	NOUN	NN	Number=Sing	20	nmod	20:nmod:of	_
24	to	to	PART	TO	_	25	mark	25:mark	_
25	get	get	VERB	VB	VerbForm=Inf	18	advcl	18:advcl:to	_
26	those	that	DET	DT	Number=Plur|PronType=Dem	28	det	28:det	_
27	gangly	gangly	ADJ	JJ	Degree=Pos	28	amod	28:amod	_
28	bodies	body	NOUN	NNS	Number=Plur	25	obj	25:obj	_
29	around	around	ADP	IN	_	32	case	32:case	_
30	those	that	DET	DT	Number=Plur|PronType=Dem	32	det	32:det	_
31	tighter	tight	ADJ	JJR	Degree=Cmp	32	amod	32:amod	_
32	turns	turn	NOUN	NNS	Number=Plur	25	obl	25:obl:around	SpaceAfter=No
33	.	.	PUNCT	.	_	5	punct	5:punct	_
