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To describe and compare abdominal muscles and inter-rectus distance conditions in postpartum period in comparison with nulliparous women. Also to describe the activation changes during different abdominal exercises.
Pregnancy and childbirth cause corporal changes in women, altering the structure and function of the abdominal and pelvic floor muscles. The distension of the muscular tissue and the possible diastasis recti can alter the performance of the abdominal musculature in the control of intra-abdominal pressure and the lumbo-pelvic stabilization in postpartum term. Abdominal exercise is highly recommended to restore these changes but there is not enough evidence about the effects of exercise modalities.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Primiparous women | Women after normal, not operative, vaginal one-child delivery |
| |
| Nulliparous women | Women without any child or pregnancy, age-matched |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Physical therapy intervention | Other | Primiparous women start a physical therapy intervention in week 6 after normal one-child delivery, based on abdominal and pelvic floor exercises, education and behavior advices. Abdominal muscle condition and activation are measured by transabdominal ultrasound and surface electromiography. This group is going to be examined after treatment and 6 and 12 months after treatment. |
| Measure | Description | Time Frame |
|---|---|---|
| Inter-rectus distance (mm) | Inter-rectus abdominis distance in mm in rest position. | 1 day |
| Measure | Description | Time Frame |
|---|---|---|
| Cross-sectional area (mm) | Cross-sectional area of rectus abdominis, external oblique, internal oblique and transversus abdominis in rest position. | 1 day |
| Neuromuscular activity (mV) | Neuromuscular activity (mV) of rectus abdominis, external oblique and internal oblique + transversus abdominis in rest position. |
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Inclusion Criteria:
Exclusion Criteria:
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Primiparous women after normal, not operative, vaginal one-child delivery, recruited 6-7 weeks after delivery from Hospital Universitario Principe de Asturias (Alcala de Henares, Madrid)
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| Name | Affiliation | Role |
|---|---|---|
| Maria Torres, PhD | University of Alcala | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Beatriz Arranz Martin | Alcalá de Henares | Madrid | 28805 | Spain |
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| 1 day |
| Inter-rectus distance (mm) during an hypopressive exercise | Inter-rectus distance (mm) during an hypopressive exercise performance in supine position. | 1 day |