Longer limbs are expected to experience larger bending and torsional moments, so the fact that experimental animals had longer femora suggests that limb verticalization reduces these moments by orienting the bone more parallel to the GRF line of action.
1	Longer	long	ADJ	JJR	Degree=Cmp	2	amod	2:amod	Discourse=causal-cause:65->69:2|Entity=(113-object-new-cf7-2-sgl
2	limbs	limb	NOUN	NNS	Number=Plur	4	nsubj:pass	4:nsubj:pass|6:nsubj:xsubj	Entity=113)
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	4:aux:pass	_
4	expected	expect	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
5	to	to	PART	TO	_	6	mark	6:mark	_
6	experience	experience	VERB	VB	VerbForm=Inf	4	xcomp	4:xcomp	_
7	larger	large	ADJ	JJR	Degree=Cmp	11	amod	11:amod	Entity=(114-abstract-new-cf2-5-coref
8	bending	bending	NOUN	NN	Number=Sing	11	compound	11:compound	_
9	and	and	CCONJ	CC	_	10	cc	10:cc	_
10	torsional	torsional	ADJ	JJ	Degree=Pos	8	conj	8:conj:and|11:amod	_
11	moments	moment	NOUN	NNS	Number=Plur	6	obj	6:obj	Entity=114)|SpaceAfter=No
12	,	,	PUNCT	,	_	22	punct	22:punct	_
13	so	so	ADV	RB	_	22	advmod	22:advmod	Discourse=attribution-positive:66->69:1
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	15:det	Entity=(115-abstract-new-cf6-2-sgl
15	fact	fact	NOUN	NN	Number=Sing	22	nsubj	22:nsubj	_
16	that	that	SCONJ	IN	_	19	mark	19:mark	Discourse=adversative-antithesis:67->66:0
17	experimental	experimental	ADJ	JJ	Degree=Pos	18	amod	18:amod	Entity=(19-animal-giv:act-cf1*-2-coref
18	animals	animal	NOUN	NNS	Number=Plur	19	nsubj	19:nsubj	Entity=19)
19	had	have	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	15	acl	15:acl:that	_
20	longer	long	ADJ	JJR	Degree=Cmp	21	amod	21:amod	Entity=(116-object-new-cf9-2-sgl
21	femora	femora	NOUN	NN	Number=Sing	19	obj	19:obj	Entity=116)115)
22	suggests	suggest	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	4:parataxis	Discourse=same-unit_m:68->66:1
23	that	that	SCONJ	IN	_	26	mark	26:mark	Discourse=elaboration-additional:69->62:2
24	limb	limb	NOUN	NN	Number=Sing	25	compound	25:compound	Entity=(117-abstract-new-cf10-3-disc(118-abstract-new-cf8-2-sgl(45-object-giv:inact-cf4-1-coref)
25	verticalization	verticalization	NOUN	NN	Number=Sing	26	nsubj	26:nsubj	Entity=118)
26	reduces	reduce	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	22	ccomp	22:ccomp	_
27	these	this	DET	DT	Number=Plur|PronType=Dem	28	det	28:det	Entity=(114-abstract-giv:act-cf2-2-coref
28	moments	moment	NOUN	NNS	Number=Plur	26	obj	26:obj	Entity=114)
29	by	by	SCONJ	IN	_	30	mark	30:mark	Discourse=mode-means:70->69:0
30	orienting	orient	VERB	VBG	VerbForm=Ger	26	advcl	26:advcl:by	_
31	the	the	DET	DT	Definite=Def|PronType=Art	32	det	32:det	Entity=(61-object-giv:inact-cf3-2-coref
32	bone	bone	NOUN	NN	Number=Sing	30	obj	30:obj|34:nsubj:xsubj	Entity=61)
33	more	more	ADV	RBR	Degree=Cmp	34	advmod	34:advmod	_
34	parallel	parallel	ADJ	JJ	Degree=Pos	30	xcomp	30:xcomp	_
35	to	to	ADP	IN	_	38	case	38:case	_
36	the	the	DET	DT	Definite=Def|PronType=Art	38	det	38:det	Entity=(119-abstract-new-cf11-3-sgl
37	GRF	GRF	NOUN	NN	Number=Sing	38	compound	38:compound	Entity=(64-abstract-giv:inact-cf5-1-coref)
38	line	line	NOUN	NN	Number=Sing	34	obl	34:obl:to	_
39	of	of	ADP	IN	_	40	case	40:case	_
40	action	action	NOUN	NN	Number=Sing	38	nmod	38:nmod:of	Entity=(120-event-new-cf12-1-sgl)119)117)|SpaceAfter=No
41	.	.	PUNCT	.	_	4	punct	4:punct	_
