Table 2.

Methodological characteristics of the articles reviewed.

Characteristic	Fong et al. (2015) [45]	García-Liñeira et al. (2020) [46]	García-Soidán et al. (2020) [47]
Objective	To compare neuromuscular performance, balance, and motor skills performance scores in children with DCD and TD.	To determine the reliability and internal consistency of gait and static balance measurement with accelerometry.	To evaluate the effect of the practice of physical activity during childhood on the development of postural control.
Study design	Exploratory cross-sectional.	Descriptive cross-sectional.	Descriptive cross-sectional.
Population	DCD and TD children.	TD children.	TD children.
Sample size	247 (DCD children: 117) (84 girls: 34%).	70 (35 girls: 50%).	118 (54 girls: 45.8%)
Age (mean ± standard deviation)	7.5 ± 1.4 years (range: 6–10)	9 ± 1.8 years (range: 6–12).	10.3 ± 1.2 years (range: 8–12)
Motor tests included	Static test in standing position receiving a push at T12 from behind.	Single leg support with eyes open and closed and single leg support on a mat for 30 s. 20 m walk test.	20 m walking test. Single-leg static balance test.
Accelerometer used	Triaxial accelerometer ACL300 (Biometrics, Newport, UK).	Triaxial accelerometer GT3X+ (Actigraph, Pensacola, FL, USA).	Triaxial accelerometer GT3X+ (Actigraph, Pensacola, USA).
Frequency of data collection	Not specified.	50 Hz and a Threshold filter.	50 Hz.
Sensor placement	Sternum.	L4.	L4.
Variables analyzed	Acceleration in the antero-posterior axis.	Mean and maximum of three axes and root mean square of them.	Mean and maximum of three axes and root mean square of them.
Comparison with gold standard or others	Movement Assessment Battery for Children.	No.	No.

DCD: developmental coordination disorder; TD: typical development.