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Lower Limb Muscles
Published in Eve K. Boyle, Vondel S. E. Mahon, Rui Diogo, Handbook of Muscle Variations and Anomalies in Humans, 2022
Eve K. Boyle, Vondel S. E. Mahon, Rui Diogo, Malynda Williams
Obturator internus originates from bony surfaces that surround the obturator foramen including the inferior pubic ramus, the ischial ramus, the pelvic surface of the ilium, and the greater sciatic foramen (Standring 2016). It also originates from the obturator membrane and the obturator fascia (Standring 2016). Its fibers converge into four or five tendinous bands that pass through the lesser sciatic foramen to insert as a single tendon onto the greater trochanter (Standring 2016). The superior gemellus and inferior gemellus fuse with this tendon prior to insertion (Standring 2016).
Anatomy Trains Structural Integration
Published in David Lesondak, Angeli Maun Akey, Fascia, Function, and Medical Applications, 2020
Treatment focus and aims: The goal of these sessions was to balance the pelvic and respiratory diaphragms, give more length and lift to the abdominals along with decreasing the forward head position.Lower deep front line—lifted adductor magnus cephalad to ease posterior pelvic tilt and relieve tension on the posterior pelvic floor. Obturator internus to soften and relax the pelvic floor holding. Left psoas to pick up the left side of abdominals and ribcage.Upper deep front line—the diaphragm and costal arch were a strong focus in this session for breath and lift to the upper body. Pec minor was worked on to ease the anterior tilt of the shoulders.Deep back line—balance and encourage sacral ease and movement—treated both piriformii and sacral fascia. Lifted the left side erector spinae muscles for the left spinal bend and seated work on transversospinalis for the left spinal rotation.Head, neck, and jaw—sternocleidomastoid, anterior scalenes for the forward head posture. Tension was eased in the infra and super hyoids with gentle pin and stretch movements for the feeling of restriction in the front of the throat.
Normal Anatomy of the Female Pelvis and Sonographic Demonstration of Pelvic Abnormalities
Published in Asim Kurjak, Ultrasound and Infertility, 2020
Other anatomical structures that can be consistently demonstrated by sonography within lesser pelvis are the pelvic musculature and blood vessels. Visualization of these structures is less important from a clinical standpoint. The obturator internus muscle occupies a large part of the anterior and lateral pelvic walls and is demonstrated as a well-defined hypoechoic ovoid structure. The levator ani muscle is seen on a transverse scan at the level of the cervix and vaginal fornices and denotes the pelvic diaphragm. Other muscles forming the pelvic diaphragm are rarely seen because of their deep position.
Ten-Step Surgical Approach to Management of Pathology of the Ischiorectal Fossa—A Review of the Literature and Application in a Rare Pelvic Schwannoma
Published in Journal of Investigative Surgery, 2022
Sarah Louise Smyth, Sunanda Dhar, Miss Lucy Cogswell, Hooman Soleymani majd
We describe the case of a 24-year-old nulliparous female who presented to the colorectal team with an eight-year history of an enlarging left-sided perineal mass, associated with pain and numbness radiating to the leg with bowel and sexual dysfunction. She has a previous medical history of hiatus hernia, gastritis, fibromyalgia and reversed cervical lordosis. She takes omeprazole regularly and has no known drug allergies. The patient has no previous surgical history and is an occasional smoker. On examination, there was a 7 × 5 cm firm and mobile mass, with no vaginal, rectal or anal sphincter involvement. It was well defined on Magnetic Resonance Imaging (MRI) with internal lobular areas and avid rim enhancement, extending 10 cm caudally yet distal to Alcock’s canal with no local invasion or lymphadenopathy (Figure 1). There was noted to be effacement of the sphincteric complex, levator ani and obturator internus muscles with inferior vaginal displacement. On Positron Emission Tomography (PET) scan it was heterogeneously mildly fluorodeoxyglucose (FDG) avid (Figure 2).
Prevalence analysis of urinary incontinence after radical prostatectomy and influential preoperative factors in a single institution
Published in The Aging Male, 2018
Antonio Tienza, Jose E. Robles, Mateo Hevia, Ruben Algarra, Fernando Diez-Caballero, Juan I. Pascual
Obturator internus muscle shows in our analysis influence over UI. Only Baba et al. found a relation with UI. They performed anterior approach for total hip arthroplasty and this approach increased tension of the OIM by improving external rotation contracture of the hip joint and leg length, which could also increase and improve UI [29]. Because of this, a term not reported before and we found a relation with age we decide to exclude this measure.