Results 41 to 50 of about 2,630,362 (282)

Effects of arm and leg positions on lumbar multifidus muscle activity while on hands and knees or while standing

Journal of Physiological Anthropology, 2022
Background The lumbar multifidus (LMF) muscle, which is involved in the mechanical stability of the lumbar spine, reportedly undergoes atrophy in patients with low back pain.
Yasuhiro Mitani, Masaru Hanafusa, Junichi Hashimoto, Ryuta Inada, Hitoshi Koda   +4 more
doaj   +1 more source

Rotational changes and associated risk factors following intramedullary nail fixation for intertrochanteric femoral fractures in elderly patients

Frontiers in Surgery
ObjectiveTo quantify rotational displacement following intramedullary nail fixation for intertrochanteric femoral fractures using three-dimensional (3D) CT imaging, analyze associated risk factors, and evaluate its clinical significance.MethodsA total of
Chao Han, Xiaodan Li, Zhe Han, Qiang Dong   +3 more
doaj   +1 more source

Using Convolutional Neural Network to Design and Predict the Forces and Kinematic Performance and External Rotation Moment of the Hip Joint in the Pelvis

International Journal of Innovative Science and Research Technology
In order to improve the dynamic and kinematic adaptability of the hip joint, this paper presented a control attitude and kinematics and torque of the hip joint with power based neural network control.
Seyed Masoud Ghoreishi Mokri, Newsha Valadbeygi, Irina G. Stelnikova   +2 more
semanticscholar   +1 more source

Conceptual Design of Spacesuit Hard Hip Joint

International Journal of Aerospace Engineering, 2019
Spacesuit hip joint plays an important role on astronaut activities, such as planetary walking and surveying. This paper proposes a conceptual design of hard hip joint in consideration of the coupling effect of spacesuit hip joint and astronaut thigh ...
Wang Zhen-wei, Chen Peng, Lin Dan-lan
doaj   +1 more source

Lumbosacral fusion increases the risk of hip osteoarthritis

Journal of Orthopaedic Surgery and Research, 2023
Objective There may be biomechanical changes in the adjacent hip joint after lumbosacral fusion. The literature has limited information on how these biomechanical changes may result in hip joint space. Material method Our retrospective study examined hip
İbrahim Ulusoy, Aybars Kıvrak
doaj   +1 more source

A randomised controlled trial of total hip arthroplasty versus resurfacing arthroplasty in the treatment of young patients with arthritis of the hip joint [PDF]

, 2010
Background: Hip replacement (arthroplasty) surgery is a highly successful treatment for patients with severe symptomatic arthritis of the hip joint. For older patients, several designs of Total Hip Arthroplasty have shown excellent results in terms of ...
Achten, Juul, Costa, Matthew L., Edlin, Richard P., Griffin, Damian R., Parsons, Nicholas R.   +4 more
core   +2 more sources

Lumbar Fusion including Sacroiliac Joint Fixation Increases the Stress and Angular Motion at the Hip Joint: A Finite Element Study

Spine Surgery and Related Research, 2022
Introduction: Adult spinal fusion surgery improves lumbar alignment and patient satisfaction. Adult spinal deformity surgery improves saggital balance not only lumbar lesion, but also at hip joint coverage.
Takuhei Kozaki, Hiroshi Hashizume, Hiroyuki Oka, Satoru Ohashi, Yoh Kumano, Ei Yamamoto, Akihito Minamide, Yasutsugu Yukawa, Hiroshi Iwasaki, Shunji Tsutsui, Masanari Takami, Keiji Nakata, Takaya Taniguchi, Daisuke Fukui, Daisuke Nishiyama, Manabu Yamanaka, Hidenobu Tamai, Ryo Taiji, Shizumasa Murata, Akimasa Murata, Hiroshi Yamada   +20 more
doaj   +1 more source

Intertester and intratester reliability of movement control tests on the hip for patients with hip osteoarthritis [PDF]

, 2017
Hip joint complaints are a problem associated with increasing age and impair the mobility of a large section of the elderly population. Reliable and valid tests are necessary for a thorough investigation of a joint.
Keller, Niculina, Lenzlinger-Asprion, Rahel, Luomajoki, Hannu, Meichtry, André   +3 more
core   +1 more source

Classification of pain expression images in elderly with hip fractures based on improved ResNet50 network

Frontiers in Medicine
The aim of this study is designed an improved ResNet 50 network to achieve automatic classification model for pain expressions by elderly patients with hip fractures.
Yang Shuang, Gong Liangbo, Zhao Huiwen, Liu Jing, Chen Xiaoying, Shen Siyi, Zhu Xiaoya, Luo Wen   +7 more
doaj   +1 more source

Development of a Novel Extra-Articular Device for Reducing the Weight-Bearing of the Hip Joint

Journal of Biomechanical Science and Engineering, 2006
The morbidity associated with idiopathic osteonecrosis of the femoral head (ION) is increasing. The primary goal of treatment for ION is to prevent collapse of the femoral head. With the exception of hip arthroplasties, current joint-preserving surgeries
Go YAMAKO, Kunihiko TOKUNAGA, Reiko TAKANO, Naoto ENDO, Toshiaki HARA   +4 more
doaj   +1 more source