Table 1 Differences in posture during rest between general movements in infants lying in and outside a nest
Early preterm age(30–33 weeks)Late preterm age(34–36 weeks)Term age(37–40 weeks)
Posture before general movements
NEST more adductionNEST more adductionNEST more adduction
    L shoulder*L shoulder*L shoulder**
    R shoulder*R shoulder*R shoulder**
NEST more flexionNEST more flexionNEST more flexion
    R elbow*R hip*L hip*
    L hip*R knee*R hip*
    R hip*L knee*
    L knee*R knee*
NEST more often
Head in the midline*
Posture after general movements
NEST more adductionNEST more adductionNEST more adduction
L shoulder*
R shoulder**
NEST more flexionNEST more flexionNEST more flexion
    L elbow*L elbow*L hip*
    L hip*L hip**R hip*
    R hip*R hip**L knee*
    L knee*L knee**
    R knee*R knee*
NEST more often
Head in the midline*
  • L, left, R, right.

  • *p<0.05, **p<0.01: differences between lying in a nest and without a nest (Wilcoxon’s signed rank test).