Table 1 Characteristics, baseline data and joint laxity of the participants at the time of inclusion (1st trimester) and subsequent evaluations (2nd and 3rd trimesters).

From: Assessment of Pelvic-Lumbar-Thigh Biomechanics to Optimize The Childbirth Position: An “In Vivo” Innovative Biomechanical Study

N = 18

 

1st T

Inclusion

2nd T

3rdT

P

(Friedman)

Maternal age

\(\bar{X}\) [95% CI] - SD

33.1 [30.9–35.3] −2.8

—

—

—

Primipara

n (%)

6 (35)

—

—

—

GA (WA)

\(\bar{X}\) [95% CI] - SD

13.8 [12.3–15.2] −0.7

24.0 [22.5–25.7] −0.7

34.0 [32.3–35.5] −0.7

—

BMI (kg.m−2)

\(\bar{X}\) [95% CI] - SD

24.0 [22.0–25.0] −0.7

25.0 [24.0–28.0] −0.8

26.0 [24.0–28.0] −0.8

—

Joint Laxity

\(\bar{X}\) - SD

41.3–9.0

45.3–10.8

44.04–10.0

<0.001

  1. BMI = body mass index, kg.m−2 = kilogram per square meter, n = number of subjects, GA = gestational age, 95% CI = 95% confidence interval, SD = standard deviation, T = trimester, WA = week of amenorrhea, \(\bar{X}\)  = mean.
Back to article page