ELIZA

return kwic search for factors out of >500 occurrences
295043 occurrences (No.82 in the rank) during 5 years in the PubMed. [cache]

297) At this point, the particular factors affecting PFPS have not yet been determined.

--- ABSTRACT ---

PMID:23952913 DOI:10.1080/10255842.2013.803082

2015 Computer methods in biomechanics and biomedical engineering

* A geometric approach to study the contact mechanisms in the patellofemoral joint of normal versus patellofemoral pain syndrome subjects.

- The biomechanics of the patellofemoral (PF) joint is complex in nature, and the aetiology of such manifestations of PF instability as patellofemoral pain syndrome (PFPS) is still unclear. At this point, the particular factors affecting PFPS have not yet been determined. This study has two objectives: (1) The first is to develop an alternative geometric method using a three-dimensional (3D) registration technique and linear mapping to investigate the PF joint contact stress using an indirect measure: the depth of virtual penetration (PD) of the patellar cartilage surface into the femoral cartilage surface. (2) The second is to develop 3D PF joint models using the finite element analysis (FEA) to quantify in vivo cartilage contact stress and to compare the peak contact stress location obtained from the FE models with the location of the maximum PD. Magnetic resonance images of healthy and PFPS subjects at knee flexion angles of 15°, 30° and 45° during isometric loading have been used to develop the geometric models. The results obtained from both approaches demonstrated that the subjects with PFPS show higher PD and contact stresses than the normal subjects. Maximum stress and PD increase with flexion angle, and occur on the lateral side in healthy and on the medial side in PFPS subjects. It has been concluded that the alternative geometric method is reliable in addition to being computationally efficient compared with FEA, and has the potential to assess the mechanics of PFPS with an accuracy similar to the FEA.

--- ABSTRACT END ---

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(1)62 for	(12)10 related	(23)3 using	(34)2 during
(2)44 null	(13)8 on	(24)3 which	(35)2 from
(3)36 that	(14)7 have	(25)3 with	(36)2 including
(4)34 associated	(15)7 such	(26)2 (age,	(37)2 independently
(5)31 and	(16)6 may	(27)2 along	(38)2 involved
(6)29 in	(17)4 influence	(28)2 as	(39)2 jointly
(7)20 were	(18)4 significantly	(29)2 c-Jun	(40)2 other
(8)14 influencing	(19)4 to	(30)2 can	(41)2 produced
(9)13 are	(20)3 across	(31)2 contribute	(42)2 was
(10)13 of	(21)3 among	(32)2 contributing
(11)10 affecting	(22)3 like	(33)2 diagnostic

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--- WordNet output for factors --- Overview of noun factor The noun factor has 7 senses (first 4 from tagged texts) 1. (31) factor -- (anything that contributes causally to a result; "a number of factors determined the outcome") 2. (8) component, constituent, element, factor, ingredient -- (an abstract part of something; "jealousy was a component of his character"; "two constituents of a musical composition are melody and harmony"; "the grammatical elements of a sentence"; "a key factor in her success"; "humor: an effective ingredient of a speech") 3. (4) divisor, factor -- (one of two or more integers that can be exactly divided into another integer; "what are the 4 factors of 6?") 4. (1) agent, factor, broker -- (a businessman who buys or sells for another in exchange for a commission) 5. factor -- (any of the numbers (or symbols) that form a product when multiplied together) 6. factor -- (an independent variable in statistics) 7. gene, cistron, factor -- ((genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; "genes were formerly called factors") Overview of verb factor The verb factor has 3 senses (first 1 from tagged texts) 1. (2) factor, factor in, factor out -- (resolve into factors; "a quantum computer can factor the number 15") 2. factor -- (be a contributing factor; "make things factor into a company's profitability") 3. factor, factor in, factor out -- (consider as relevant when making a decision; "You must factor in the recent developments") --- WordNet end ---