Part of a Book
Refine
Year of publication
- 2024 (18)
- 2023 (23)
- 2022 (31)
- 2021 (17)
- 2020 (20)
- 2019 (42)
- 2018 (31)
- 2017 (34)
- 2016 (29)
- 2015 (39)
- 2014 (31)
- 2013 (25)
- 2012 (36)
- 2011 (21)
- 2010 (20)
- 2009 (24)
- 2008 (13)
- 2007 (16)
- 2006 (5)
- 2005 (12)
- 2004 (5)
- 2003 (11)
- 2002 (3)
- 2001 (4)
- 2000 (4)
- 1999 (6)
- 1998 (7)
- 1997 (14)
- 1996 (3)
- 1995 (2)
- 1994 (2)
- 1992 (2)
- 1991 (3)
- 1990 (3)
- 1989 (2)
- 1987 (2)
- 1985 (1)
- 1983 (1)
- 1982 (1)
- 1978 (2)
- 1971 (1)
Institute
- Fachbereich Bauingenieurwesen (86)
- Fachbereich Energietechnik (83)
- Fachbereich Wirtschaftswissenschaften (72)
- Fachbereich Elektrotechnik und Informationstechnik (64)
- Fachbereich Medizintechnik und Technomathematik (62)
- Fachbereich Architektur (47)
- Fachbereich Luft- und Raumfahrttechnik (43)
- Fachbereich Gestaltung (40)
- IfB - Institut für Bioengineering (37)
- Fachbereich Maschinenbau und Mechatronik (32)
Has Fulltext
- no (566) (remove)
Document Type
- Part of a Book (566) (remove)
Keywords
- Aktionskunst (4)
- Papierkunst (4)
- Wind Tunnel (3)
- Autonomous mobile robots (2)
- Central receiver power plant (2)
- Central receiver system (2)
- Concentrated solar collector (2)
- Concentrated systems (2)
- Datenschutz (2)
- Datenschutzrecht (2)
Pelvic floor dysfunction (PFD) is characterized by the failure of the levator ani (LA) muscle to maintain the pelvic hiatus, resulting in the descent of the pelvic organs below the pubococcygeal line. This chapter adopts the modified Humphrey material model to consider the effect of the muscle fiber on passive stretching of the LA muscle. The deformation of the LA muscle subjected to intra-abdominal pressure during Valsalva maneuver is compared with the magnetic resonance imaging (MRI) examination of a nulliparous female. Numerical result shows that the fiber-based Humphrey model simulates the muscle behavior better than isotropic constitutive models. Greater posterior movement of the LA muscle widens the levator hiatus due to lack of support from the anococcygeal ligament and the perineal structure as a consequence of birth-related injury and aging. Old and multiparous females with uncontrolled urogenital and rectal hiatus tend to develop PFDs such as prolapse and incontinence.