Changes in segmental mass and inertia during pregnancy: A musculoskeletal model of the pregnant woman

Haddox, Annetta; Hausselle, Jérôme; Azoug, Aurélie

doi:10.1016/j.gaitpost.2019.12.024

Cited by 22 publications

(12 citation statements)

References 27 publications

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“…15 Factors categorized as discomfort, including general discomfort, and discomfort related to the size and positioning of the baby were also common in the current study cohort. This is unsurprising, as the pregnancy-related gain in body mass and shift in the center-of-mass position are associated with increased joint moments and ground reaction forces, [33][34][35] which are likely to be exacerbated during running. In addition, PFD was a common reason why women did not run during pregnancy, with prolapse, incontinence, and pelvic pain frequent responses (Table 2).…”

Section: Discussionmentioning

confidence: 99%

Running During Pregnancy and Postpartum, Part A: Why Do Women Stop Running During Pregnancy and Not Return to Running in the Postpartum Period?

James¹,

Moore²,

Donnelly³

et al. 2022

Journal of Women's Health Physical Therapy

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Background: In the absence of complications or contraindications, running is recognized as a safe mode of exercise for women who ran before pregnancy. Despite this, participation in running decreases during pregnancy and postpartum, with limited research conducted to examine why women who were runners before pregnancy cease running during pregnancy and do not return postpartum. Objectives: To understand the experiences of women who have recently given birth and were runners before pregnancy, specifically reasons for not running during pregnancy or returning to running postpartum, as well as postpartum running concerns. Study Design: Observational, cross-sectional, mixed methods. Methods: In total, 883 postpartum females completed an online questionnaire related to running habits, reasons for not running during pregnancy, not returning to running postpartum, and concerns returning to running postpartum. Most questions were closed-ended, with opportunity to provide free-text responses. Descriptive statistics of close-ended questions and thematic analysis of free-text responses were conducted. Results: Women did not run during pregnancy due to nausea/morning sickness, fatigue, fear of or experience of miscarriage and anxiety, nervousness, and fear. Women had not returned to running postpartum due to experience of symptoms/pain and complications postpartum and were concerned about leaking urine, vaginal heaviness, and not knowing how to return safely. Pelvic floor concerns were prevalent throughout pregnancy and postpartum. Conclusion: There is a need for evidence-based guidance for women to return to running postpartum gradually and safely. This includes greater pelvic health education and support, including access to treatment. Importantly, return-to-running guidance postpartum needs to be considered as an ongoing and longitudinal process.

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Section: Discussionmentioning

confidence: 99%

Running During Pregnancy and Postpartum, Part A: Why Do Women Stop Running During Pregnancy and Not Return to Running in the Postpartum Period?

James¹,

Moore²,

Donnelly³

et al. 2022

Journal of Women's Health Physical Therapy

View full text Add to dashboard Cite

show abstract

“…Haddox et al [35] created a musculoskeletal model of a pregnant woman to simulate the changes in segmental mass and inertia distribution. It included a case of changing breast size during pregnancy.…”

Section: Literature Reviewsmentioning

confidence: 99%

“…Comparing the average results of chest, waist, hip, upper arm circumference, thigh, and inseam, with standard deviation and the correlation between the Z-Size Ladies statistical value and the circumference values measured cross-sectionally on 3D modeling for the case of postpartum women. Avg 90.08 89.71 84.70 85 35. 96.34 96.31 26.77 29.01 53.90 56.50 67.38 67.14 SD 7.17 7.85 10.23 10.75 8.31 8.98 2.77 1.89 6.32 3.09 2.62 3.24 L CI 87.51 86.90 81.04 81.50 93.37 93.10 25.78 28.33 51.64 55.39 66.44 65.98 U CI 92.65 92.52 88.36 89.20 99.31 99.52 27.76 29.69 56.16 57.61 68.32 68.30…”

mentioning

confidence: 99%

Simulation of 3D Body Shapes for Pregnant and Postpartum Women

Sinthanayothin

Xuto

Bholsithi

et al. 2022

Sensors

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Several studies have reported that pre-pregnant women's body mass index (BMI) affects women’s weight gain with complications during pregnancy and the postpartum weight retention. It is important to control the BMI before, during and after pregnancy. Our objectives are to develop a technique that can compute and visualize 3D body shapes of women during pregnancy and postpartum in various gestational ages, BMI, and postpartum durations. Body changes data from 98 pregnant and 83 postpartum women were collected, tracked for six months, and analyzed to create 3D model shapes. This study allows users to simulate their 3D body shapes in real-time and online, based on weight, height, and gestational age, using multiple linear regression and morphing techniques. To evaluate the results, precision tests were performed on simulated 3D pregnant and postpartum women’s shapes. Additionally, a satisfaction test on the application was conducted on new 149 mothers. The accuracy of the simulation was tested on 75 pregnant and 74 postpartum volunteers in terms of relationships between statistical calculation, simulated 3D models and actual tape measurement of chest, waist, hip, and inseam. Our results can predict accurately the body proportions of pregnant and postpartum women.

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“…Pregnancy induces tremendous changes in the body to accommodate a growing fetus [ 1 ]. During pregnancy, hormonal, anatomical, and physiological changes occur in the female body.…”

Section: Introductionmentioning

confidence: 99%

“…Walking is the most commonly chosen type of physical activity during pregnancy [ 12 ]. The gait parameters, balance, and center of mass of pregnant women changes during walking and leads to a higher risk of falling [ 1 , 6 , 13 , 14 ]. The rate of falls during pregnancy is similar to that of women over 65 [ 6 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

The Influence of a Shoe’s Heel-Toe Drop on Gait Parameters during the Third Trimester of Pregnancy

Sun

et al. 2022

Bioengineering

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Background: Changes in physical shape and body mass during pregnancy may increase the risk of walking falls. Shoes can protect and enhance the inherent function of the foot, helping to maintain dynamic and static stability. Methods: Sixteen women during the third trimester of pregnancy participated in this study to investigate the effect of negative heel shoes (NHS), positive heel shoes (PHS), and normal shoes (NS) on spatiotemporal parameters, ground reaction force (GRF), and stability. Differences in spatiotemporal parameter, GRF, and center of pressure (COP) between footwear conditions were examined using Statistical Parametric Mapping (SPM) and repeated measures analyses of variance (ANOVA). Results: The walking speed and step length increased with the increase in heel-toe drop. The anterior-posterior (AP)-COP in NHS decreased significantly (p < 0.001). When wearing NHS, peak posterior angles were significantly lower than NS and PHS (p < 0.05). Conclusions: The results show that changing the heel-toe drop can significantly affect the gait pattern of pregnant women. Understanding the gait patterns of pregnant women wearing shoes with different heel-toe drops is very important for reducing the risk of injury and equipment design.

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Changes in segmental mass and inertia during pregnancy: A musculoskeletal model of the pregnant woman

Cited by 22 publications

References 27 publications

Running During Pregnancy and Postpartum, Part A: Why Do Women Stop Running During Pregnancy and Not Return to Running in the Postpartum Period?

Running During Pregnancy and Postpartum, Part A: Why Do Women Stop Running During Pregnancy and Not Return to Running in the Postpartum Period?

Simulation of 3D Body Shapes for Pregnant and Postpartum Women

The Influence of a Shoe’s Heel-Toe Drop on Gait Parameters during the Third Trimester of Pregnancy

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