Table 5.
Skill | Age | Result | N | Country | Study design | Author |
---|---|---|---|---|---|---|
Head in midline in supine position | 3 m | 60% could keep head in midline to a limited extent | 8 | SE | Cross‐sectional | Hedberg et al. (2005) |
Head in midline in supine position | 3 and 4 m | Increased frequency of headline posture in midline | 13 | BR | Longitudinala | Lima‐Alvarez et al. (2014) |
Head in midline in supine position | 4 m | 60% could keep the head adequately in the midline and another 20% could keep it in the midline to a limited extent | 8 | SE | Cross‐sectional | Hedberg et al. (2005) |
Head in midline in supine position | 5 m | 100% could keep the head adequately in the midline | 8 | SE | Cross‐sectional | Hedberg et al. (2005) |
Control of head movements in supine position | 3 and 4 m | Increased proportion of midline‐to‐side and side‐to‐side movements | 13 | BR | Longitudinal | Lima‐Alvarez et al. (2014) |
Control of head movements in supine position | 4 m | Increased peak velocity of head movements | 13 | BR | Longitudinal | Lima‐Alvarez et al. (2014) |
Head control when pulled to sitting | 3–4 m | Mean age when milestone reached: 3.25 (SD 0.72) m | 13,076 | JP | Longitudinal | Yokoyama et al. (2011) |
Head control when pulled to sitting | 4 m | 33% had a good head control | 51 | AU | Longitudinal | Pin et al. (2009) |
Head balance at aided sitting | 4 m | 100% of infants had adequate head control at aided sitting | 8 | SE | Cross‐sectional | Hedberg et al. (2005) |
AU: Australia; BR: Brazil; JP: Japan; m: months; SE: Sweden.
Studied at birth, 1, 2, 3 and 4 months of age.