Is there an impact of feet position on squatting birth position? An innovative biomechanical pilot study

Autor: David Desseauve, Laetitia Fradet, Patrick Lacouture, Fabrice Pierre
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: BMC Pregnancy and Childbirth, Vol 19, Iss 1, Pp 1-7 (2019)
Druh dokumentu: article
ISSN: 1471-2393
DOI: 10.1186/s12884-019-2408-2
Popis: Abstract Background The squatting birth position is widely used for “natural” birth or in countries where childbirth occurs in non-medical facilities. Squatting birth positions, like others, are roughly defined so a biomechanical assessment is required with the availability of noninvasive technology in pregnant women. In practice, we can observe spontaneously two kinds of squatting birth position: on tiptoes and with feet flat. Objective To compare the impact of foot posture on biomechanical parameters considered essential in obstetrical biomechanics during a squatting birth position: on tiptoes versus with feet flat on the floor. Study design Thirteen pregnant women beyond 32 weeks of gestational age who were not in labor were assessed during squatting birth position firstly spontaneously and secondly with the foot posture that was not taken spontaneously (on the tiptoes vs with feet flat). For each position, ANGle of flexion on the spine of the plane of the pelvis external conjugate (ANGec), hip flexion and abduction, and lumbar curve were assessed using an optoelectronic motion capture system and a biomechanical model adapted from the conventional gait model as well as a measuring system of the lumbar curve. Results Spontaneously, 11 out of 13 women squatted on tiptoe at the first test. On tiptoes the hip flexion was lower than with feet flat (p
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