Feasibility and usefulness of video-based markerless two-dimensional automated gait analysis, in providing objective quantification of gait and complementing the evaluation of gait in children with cerebral palsy

Pantzar-Castilla, Evelina; Balta, Diletta; Croce, Ugo Della; Cereatti, Andrea; Riad, Jacques

doi:10.1186/s12891-024-07853-9

Table 1 The number of trials for each side and participant is given, along with the means of all trials for gait speed, step length and for all 2-dimensional markerless analysis variables (hip flexion: femur inclination relative to the horizontal plane, knee flexion, ankle dorsiflexion and foot orientation in the room for the left and right side in each participant). The mean, standard deviation (SD) and range for the total study cohort is given on the bottom rows. A minus (-) indicates a deficit from neutral. Four children used support: participant 7 used a cane and held another person’s hand, participants 14 and 17 each held another person’s hand and participant 19 used crutches for two trials and a walker for one

From: Feasibility and usefulness of video-based markerless two-dimensional automated gait analysis, in providing objective quantification of gait and complementing the evaluation of gait in children with cerebral palsy

Participant	Side	Trials	Temporal spatial		Hip flexion		Knee flexion					Ankle dorsiflexion		Foot orientation
Participant	Side	Trials	Gait speed m/s	Step length m	Max ext	ROM*	Initial contact	Loading response	Max in stance	Max in swing	ROM	Max in stance	Max in swing	Average 10–30% of gait cycle
1	L	5	0.86	0.46	-15	48	25	31	11	66	55	4	1	-0.8
1	R	5	0.85	0.48	-14	50	31	33	15	70	55	5	-11	-2.5
2	L	4	0.85	0.43	-8	49	35	45	22	69	48	15	7	-5.4
2	R	4	0.81	0.49	-19	56	33	41	11	62	51	16	5	3.6
3	L	2	0.86	0.40	-3	31	31	33	26	54	29	5	-8	5.6
3	R	2	0.74	0.38	2	34	33	37	27	71	46	5	-15	3.5
4	L	5	0.91	0.42	-4	42	27	36	23	64	42	12	3	-5.2
4	R	5	0.87	0.44	-5	42	43	46	33	65	32	17	2	-3.4
5	L	5	0.88	0.49	-10	47	31	31	17	69	53	7	-6	2.9
5	R	5	0.81	0.49	-11	50	26	36	11	77	66	19	13	-2.8
6	L	4	0.72	0.25	5	37	50	63	53	69	24	14	-5	7.8
6	R	4	0.70	0.48	14	30	57	67	62	74	22	-1	-9	21.1
7	L	3	0.13	0.12	8	21	38	38	30	45	14	-2	-7	6.9
7	R	3	0.12	0.13	6	21	40	40	25	41	16	-4	-7	1.9
8	L	5	0.83	0.41	-10	42	17	31	16	68	58	12	-9	-6.1
8	R	5	0.89	0.41	-13	40	12	27	11	68	62	12	9	-5.3
9	L	4	0.48	0.31	2	42	36	38	21	64	43	14	6	-3.9
9	R	4	0.52	0.30	-6	37	30	31	16	74	58	11	5	-2.7
10	L	3	0.91	0.44	-4	39	39	41	29	66	37	16	3	0.8
10	R	3	0.90	0.41	-10	45	32	36	14	76	62	16	2	0.5
11	L	3	0.64	0.32	-18	56	21	28	-4	66	70	17	1	-4.3
11	R	3	0.61	0.39	-12	51	32	32	9	78	68	13	-5	0.8
12	L	3	0.87	0.45	-15	48	13	32	20	67	54	14	10	-5.9
12	R	3	0.9	0.42	-18	49	16	31	14	62	51	7	3	-4.8
13	L	5	0.65	0.36	-11	46	34	37	14	51	39	7	-11	7.8
13	R	5	0.58	0.34	0	53	48	52	28	80	52	0	-19	11.7
14	L	2	0.27	0.30	-14	52	58	58	21	71	50	20	-3	3.5
14	R	2	0.30	0.29	1	36	34	35	10	65	57	11	-19	3.1
15	L	6	0.73	0.37	-4	49	23	33	25	72	59	14	4	-1.4
15	R	6	0.81	0.36	-13	49	21	33	22	78	68	15	2	-1.7
16	L	4	0.60	0.36	-14	61	37	42	6	80	74	10	1	1.8
16	R	4	0.62	0.35	-14	58	40	43	2	77	77	9	-5	1.7
17	L	2	0.52	0.31	-8	59	26	26	1	76	75	-19	-15	32.2
17	R	2	0.27	0.24	-13	69	30	30	2	80	77	-10	-8	20.6
18	L	4	0.82	0.39	-25	64	23	42	5	76	71	11	-7	2.3
18	R	4	0.86	0.38	-17	55	35	47	14	76	62	13	-7	-0.4
19	L	3			-13	46	10	10	-8	66	75	9	-13
19	R	3			-9	44	6	6	-9	68	77	13	3
20	L	4	0.73	0.38	-15	56	31	43	10	70	59	12	2	-0.4
20	R	4	0.74	0.40	-21	55	29	44	12	68	55	14	-3	-0.9
Mean			0.69	0.37	-9	46	31	37	17	68	54	9	-3	2.2
SD			0.22	0.09	8	11	12	11	14	9	17	8	8	8.0
Range			0.12–0.91	0.12–0.49	(-25)–14	21–69	6–58	6–67	(-9)–62	41–80	14–77	(-19)–20	(-19)–13	(-6.1)–32.2

*ROM-range of motion

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