Results 61 to 70 of about 904,205 (201)

Functional Differences in Muscle Architecture Across the Pelvis and Hind Limb of Primates

American Journal of Biological Anthropology, Volume 190, Issue 4, August 2026.
ABSTRACT Objectives Understanding the architectural diversity of primate musculature is essential for interpreting locomotor function and reconstructing evolutionary adaptations. This study examines whether interspecific differences in pelvic and hind limb muscle architecture reflect functional differentiation among major muscle groups.
Emma Guimaraes, Evie Vereecke, Ashleigh L. Wiseman   +2 more
wiley   +1 more source

Piriformis muscle metastasis from a rectal polyp [PDF]

BMJ Case Reports, 2012
Rectal cancers constitute over a quarter of all colorectal cancers. Spread of rectal cancer is usually to liver, lung and brain from high risk rectal cancers. Cases have rarely been reported of spread to soft tissue structures. Here we present a case of metastatic spread of a previously excised, early invasive adenocarcinomatous polyp to piriformis.
Omer, Salar, Helen, Flockton, Rajeev, Singh, Jonathan, Reynolds   +3 more
openaire   +2 more sources

Nucleus Pulposus Resorption Following a Paraspinal Hook‐Needle Intervention for Lumbar Disc Herniation: A Case Report

Clinical Case Reports, Volume 14, Issue 8, August 2026.
ABSTRACT The paraspinal hook‐needle intervention is a minimally invasive needle‐based procedure performed under local anesthesia using a specialized hook‐shaped needle at clinically selected lumbar segments. We report the case of a 70‐year‐old woman who presented with intermittent low back pain for more than 10 years, recently aggravated and ...
Mengying Xiao, Zhengchao Cai, Hairui Zhu, Shuanglin Mou, Wensheng Zhu   +4 more
wiley   +1 more source

A rare muscle variation – accessory piriformis muscle

Anatomy, 2018
During routine anatomical dissection of the right lower limb of a 68-year-old male cadaver, a rare muscle variation was revealed and identified as an accessory piriformis muscle. This variant muscle started from the anterior surface of the sacrum below the usual piriformis muscle and extended in a well-identifiable lateral tendon also inserting to the ...
GRADEV, Albert, MALİNOVA, Lina, JELEV, Lazar   +2 more
openaire   +4 more sources

Angular force mechanics of bilateral accessory piriformis muscles with unilateral Type II sciatic nerve involvement

Translational Research in Anatomy
Introduction: The piriformis muscle coordinates external rotation and abduction of the thigh. The superior gluteal and sciatic nerves characteristically enter the gluteal region just superior and inferior to the piriformis, respectively.
Alec J. Steever, Ethan L. Snow
doaj   +1 more source

Ocena przydatności testu Patricka oraz innych testów funkcjonalnych w diagnostyce zespołu mięśnia gruszkowatego = Evaluation of Patrick's test and other functional tests in the diagnosis of piriformis muscle

Journal of Education, Health and Sport, 2016
Kocjan Janusz. Ocena przydatności testu Patricka oraz innych testów funkcjonalnych w diagnostyce zespołu mięśnia gruszkowatego = Evaluation of Patrick's test and other functional tests in the diagnosis of piriformis muscle.
Janusz Kocjan
doaj   +3 more sources

Neorectal Perforation and Necrotizing Soft Tissue Infection of the Lower Limb Following Pelvic Reirradiation for Recurrent Rectal Cancer: A Case Report

Clinical Case Reports, Volume 14, Issue 7, July 2026.
ABSTRACT Neorectal perforation is a rare but serious complication following treatment for rectal cancer, and may lead to catastrophic sequelae if diagnosis and management are delayed. We report the case of a 54‐year‐old woman with locally recurrent rectal cancer who developed neorectal perforation and necrotizing soft tissue infection of the lower limb
Cameron Wells, Bailey van Marrewijk, Elizabeth Ritchie, Bertrand Jauffret   +3 more
wiley   +1 more source

Anatomical and Clinical Integration in the Diagnosis of Piriformis Syndrome: A Systematic Review and Cadaveric Findings

Proceedings
Introduction: Piriformis syndrome (PS) is a compressive neuropathy caused by sciatic nerve irritation due to its relationship with the piriformis muscle [...]
Samuel C. da Silva, Ana C. F. Leite, Isaac D. S. V. Prado, Lavinia H. A. Torres, Luigi Gallo, Mateus G. C. Soares, Carlos N. Aucélio   +6 more
doaj   +1 more source

Significance of fiber orientation in the interosseous sacroiliac ligament: An anatomical and histological study of the implications of its mechanical adaptation

Journal of Anatomy, Volume 249, Issue 1, Page 68-77, July 2026.
Fiber structure of the interosseous sacroiliac ligament exhibits a distinct organization, with predominantly vertical fibers in the inferior region and predominantly horizontal fibers in the superior region. These fiber alignment patterns likely reflect mechanical adaptation to the sacroiliac joint motion and may support imaging‐based evaluation of its
Masahiro Tsutsumi, Akimoto Nimura, Hajime Utsunomiya, Takuya Ibara, Shintarou Kudo, Keiichi Akita   +5 more
wiley   +1 more source

PIRIFORMIS SYNDROME IN RUNNERS

, 2022
Mišić piriformis je snažan i čvrst mišić koji povezuje bedrenu kost, odnosno femur, sa sakrumom, odnosno križnom kosti. Sindrom mišića piriformis je stanje koje se događa zbog kompresije ili iritacije ishijadičnog živca koja je uzrokovana pritiskom ...
Zukanović, Amela
core   +1 more source