Results 31 to 40 of about 515,195 (259)

Black discoloration of the knee articular cartilage in a patient with pigmented villonodular synovitis: A case report

open access: yesClinical Case Reports, 2023
Key Clinical Message In this case report, total knee arthroplasty was performed in a patient with pigmented villonodular synovitis. During surgery, severe black discoloration of the articular cartilage and menisci was observed in the patient.
Mohammad Ayati Firoozabadi   +4 more
doaj   +1 more source

Skin toxicity after radiotherapy. About a case [PDF]

open access: yes, 2015
A 60-year-old woman was admitted to the Department complaining of a slow growing mass in the right knee. Physical examination demonstrated a mass on the postero-lateral aspect of the right knee, which was not tender or mobile, however was rubbery and ...
Calvieri, Stefano   +6 more
core   +1 more source

Peak knee joint moments accurately predict medial and lateral knee contact forces in patients with valgus malalignment

open access: yesScientific Reports, 2023
Compressive knee joint contact force during walking is thought to be related to initiation and progression of knee osteoarthritis. However, joint loading is often evaluated with surrogate measures, like the external knee adduction moment, due to the ...
Jana Holder   +5 more
doaj   +1 more source

Finite Element Analysis of Decompression Effect of Custom Additively Manufactured Knee Orthosis Compartments

open access: yesShanghai Jiaotong Daxue xuebao, 2023
To simulate the biomechanical changes of knee joint before and after wearing the orthosis in patients with knee osteoarthritis (KOA) by constructing a finite element model of the knee joint and a customized additively manufactured knee orthosis, so as to
XU Yuanjing, GAO Haifeng, WU Yuncheng, LIU Yihao, ZHANG Ziyan, HUANG Chenglan, WANG Zanbo, LIU Tongyou, WANG Caiping, MIAO Weiqiang, WANG Jinwu
doaj   +1 more source

Data-driven control design for neuroprotheses: a virtual reference feedback tuning (VRFT) approach [PDF]

open access: yes, 2004
This paper deals with design of feedback controllers for knee joint movement of paraplegics using functional electrical stimulation (FES) of the paralyzed quadriceps muscle group.
Hunt, K.J.   +3 more
core   +1 more source

Sonography of the knee joint [PDF]

open access: yesJournal of Ultrasound, 2009
The aim of this article is to review the sonographic appearances of common disorders involving the knee joint. Ultrasound is a sensitive method for diagnosis of tendon injuries. Injured ligaments appear swollen with mixed echogenicity. Meniscal injuries and muscle tears can be easily diagnosed.
N. Elmetwaley   +3 more
openaire   +2 more sources

Knee varus alters three-dimensional ankle alignment in standing- a study with upright computed tomography

open access: yesBMC Musculoskeletal Disorders, 2022
Background For knee osteoarthritis (OA) treatment, it is important to correct the lower limb alignment including the foot. However, in the upright position, lower limb alignment is generally assessed from the body surface or radiographs, and it is a ...
Satoshi Hakukawa   +8 more
doaj   +1 more source

Some clinical factors of aseptic instability of the knee joint endoprosthesis

open access: yesBolʹ, Sustavy, Pozvonočnik, 2023
Background. Conducting clinical studies to determine the factors determining the aseptic instability of knee joint endoprosthesis components is an urgent issue in modern orthopedics.
O.M. Sulima   +4 more
doaj   +1 more source

Revision rates after primary hip and knee replacement in England between 2003 and 2006 [PDF]

open access: yes, 2008
<b>Background</b>: Hip and knee replacement are some of the most frequently performed surgical procedures in the world. Resurfacing of the hip and unicondylar knee replacement are increasingly being used.
Alex J MacGregor   +30 more
core   +4 more sources

Knee joint biomechanics of simplified 24 Tai Chi forms and association with pain in individuals with knee osteoarthritis: A pilot study

open access: yesOsteoarthritis and Cartilage Open, 2021
Objectives: Tai Chi (TC) is a multi-beneficial exercise for improving health and function in knee osteoarthritis (OA). Biomechanical insights of 24 ​TC forms at the knee joint are not well understood.
Feng Yang, Wei Liu
doaj   +1 more source

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