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An atypical inferior gluteal artery passing through the piriformis muscle
PurposeIn this article, we report a case of an atypical inferior gluteal artery that passed through the piriformis muscle when it emerged from the...
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Piriformis Syndrome
This book provides an informative guide to Piriformis Syndrome, a condition in which the piriformis muscle, located in the buttock region, spasms and...
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Atypical lipoma of the right piriformis muscle: a case report and review of the literature
BackgroundPiriformis muscle mass is rare, which is particular for intrapiriformis lipoma. Thus far, only 11 cases of piriformis muscle mass have been...
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Effect of hip external rotator muscle contraction on pelvic floor muscle function and the piriformis
Introduction and hypothesisThere is a lack of in-depth understanding of the muscles surrounding the pelvic floor muscle (PFM). The study aimed to...
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Piriformis syndrome: muscle thickness or volume does not correlate with response to CT-guided injection
ObjectiveTo determine whether size of the piriformis muscle, as characterized by either the coronal width or a segmented volume, correlates with...
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Novel anatomical findings with implications on the etiology of the piriformis syndrome
PurposeThe cause of the piriformis-related pelvic and extra-pelvic pain syndromes is still not well understood. Usually, the piriformis syndrome is...
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Radiological Comparison of Femoral Neck–Shaft Angle in Piriformis Syndrome: A Case–Control Study
IntroductionVariations in osseous, neural and muscular anatomical structures in the gluteal region have been investigated for their role in causing...
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Case report and review of the potential role of the Type A piriformis muscle in dynamic sciatic nerve entrapment variant of piriformis syndrome
Piriformis syndrome (PS) is an underdiagnosed but common cause of chronic buttock pain and sciatica. Anatomical variants of the piriformis muscle and...
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Division of neuromuscular compartments and localization of the center of the intramuscular nerve-dense region in pelvic wall muscles based on Sihler's staining
The innervation of the pelvic wall muscles is not very clear. This study aimed to reveal the division of neuromuscular compartments and localize the...
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Intramuscular neural distribution of the obturator internus muscle regarding injective treatment
IntroductionThe obturator internus muscle is frequently targeted for injective treatments such as botulinum toxin injections in the management of...
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Association of mid-thigh quadriceps muscle quality with postoperative outcomes in patients with hip osteoarthritis undergoing total hip arthroplasty: a retrospective cohort study
PurposeMuscle quality is more important than muscle mass for assessing physical function. Computed tomography (CT) is used to evaluate intramuscular...
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A minimally invasive surgical approach for the treatment of piriformis syndrome: a case series
BackgroundPiriformis syndrome accounts for approximately 6% of patients who present with sciatic pain. There are many treatment options ranging from...
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The accessory vascularization of the tensor fasciae latae muscle: towards a new classification?
PurposeThe tensor fasciae latae (TFL) muscle is supplied by the lateral femoral circumflex artery (LCFA), arising from the deep femoral artery....
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Myositis ossificans traumatica of the piriformis muscle: a rare mature case in an adult African male
Myositis ossificans traumatica (MOT) is a common form of heterotopic ossification associated to trauma. Rare mature manifestations and...
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The anatomical location of cystic pseudotumors and muscle atrophy in metal-on-metal resurfacing hip arthroplasty is related to the surgical approach used for implantation. A subgroup analyses of a randomized controlled trial
BackgroundPseudotumors and muscle atrophy have been associated with metal-on-metal (MoM) resurfacing hip arthroplasty (RHA). We aimed to investigate...
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Detailed statistical analysis plan for a randomised controlled trial of the effects of a modified muscle sparing posterior technique (SPAIRE) in hip hemiarthroplasty for displaced intracapsular fractures on post-operative function compared to a standard lateral approach: HemiSPAIRE
BackgroundThe HemiSPAIRE trial is being conducted to determine whether a modified muscle sparing technique (SPAIRE-“Save Piriformis and Internus,...
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Effect of simultaneous application of positional release technique and Maitland mobilization technique on sciatica: a randomized controlled trial
BackgroundLow back pain (LBP) associated with sciatica is considered the primary cause of seeking medical and physical therapy advice. Treating...
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A modified surgical method for the treatment of ONFH: quadratus femoris muscle pedicle bone grafting with preservation of the posterior superior retinacular artery
BackgroundOsteonecrosis of the femoral head (ONFH) can lead to pain and loss of function of the hip joint, which places a great burden on patients...
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Impacts of external rotators and the ischiofemoral ligament on preventing excessive internal hip rotation: a cadaveric study
BackgroundThis study examined the biomechanics of preventing excessive internal hip joint rotation related to the hip flexion angle.
Method ...
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A controlled clinical trial investigating the effects of stretching and compression exercises on electromyography of calf muscles in chronic LBP patients with a deep gluteal syndrome
BackgroundIn deep gluteal syndrome (DGS), the piriformis muscle could im**e the sciatic nerve. The FAIR (flexion adduction internal rotation) test...
