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M Bodor

Publications and source records attributed to M Bodor.

9 recordsLinked to original sources
PubMed2001

Quadriceps protects the anterior cruciate ligament.

The aim of this study is to show that the quadriceps is the primary muscular restraint to anterior tibial translation during closed kinetic chain activities such as running, jumping, walking, and standing. It is my hypothesis that the quadriceps vector is directed superiorly during open kinetic chain knee extension and inferiorly during closed kinetic chain knee extension. My methods involve vector analysis based on a lateral radiograph of the normal human knee and muscle ultrasound. My results show that the quadriceps vector is directed superiorly for open kinetic chain knee extension and inferiorly for closed kinetic chain knee extension. The inferiorly directed quadriceps vector has an anterior femoral-tibial or posterior tibial-femoral component, which protects the anterior cruciate ligament (ACL) from anterior tibial-femoral shear. Therefore during closed kinetic chain activities, the quadriceps protects the ACL regardless of the activity of the hamstrings. Given that the quadriceps is much stronger than the hamstrings, has better leverage at low knee flexion angles, and a favorable vector with regard to the ACL during closed kinetic chain activities, and since most activities of daily living, sports, and non-contact ACL injuries occur with the foot on the ground, then it can be concluded that the quadriceps is the primary ACL protagonist. My findings have the following implications: (1) weak quadriceps are a risk factor for non-contact ACL injuries, (2) strong quadriceps are important for ACL injury prevention and rehabilitation, and (3) preservation of quadriceps strength is an important surgical goal.

Adult↗
PubMed2000

Prevalence of cardiovascular risk factors of the smokers and non-smokers in the city of Debrecen, Hungary.

The aim of our study was to compare the major cardiovascular disease (CVD) risk factors of smokers and non-smokers. Risk screening of CVD was estimated by a questionnaire, via interview. Random samples of 20 000 inhabitants of Debrecen, Hungary, aged 30-65 y, took part in the study. 19 922 questionnaires were considered appropriate for further evaluation. 32.2% of the participants (n=6410) were smokers, whose data were compared to those of the 68.8% of non-smokers (n=13 512). There were more male smokers than female (39.3% vs 27.7%), (P<0.001). 36.5% of males and 58.9% of females had not previously smoked regularly (P<0.001). 24.2% of males and only 13.3% of females were able to stop smoking (P<0.001). 8.7% of the participants smoked more than 20 cigarettes per day (14.8% of males, 5.0% of females), (P<0.001). Smokers were younger, with a mean age of 43.4 y vs 47.1 y for non-smokers (P<0.01). The ex-smokers and non-smokers had a higher body mass index than light, moderate and heavy smokers (26. 75+/-4.1 kg/m2 and 26.09+/-4.3 kg/m2 vs 24.87+/-3.9 kg/m2 and 24. 89+/-4.2 kg/m2 and 25.32+/-4.3 kg/m2, respectively), (P<0.001). The results of the last measured blood pressures did not differ between the two groups. 94.8% of smokers and 93.6% of non-smokers did not perform any regular leisure time exercises (P<0.01). 39.8% of smokers regularly ate fatty food, in comparison to 28.0% of non-smokers (P<0.001). 30.6% of smokers vs 28.6% of non-smokers were factory workers while 69.4% of smokers vs 71.4% of non-smokers did sedentary jobs (P<0.001). 2.3% of smokers vs 0.9% of non-smokers admitted regular consumption of alcohol (P<0.001). Amongst the parents and brothers/sisters of smokers the prevalence of heart attack was higher 19.7% vs 18.7%, than for those of non-smokers (P<0. 05). We observed an accumulation of cardiovascular risk factors in the case of smokers, which indicates the higher susceptibility of smokers to CVD.

Adult↗
PubMed1990

111-indium human antimyosin monoclonal antibody-fragment study on alcoholic (and diabetic) cardiomyopathic patients (ACM-DCM) with Centocor Europe Myoscint (Msc).

The criteria of Msc-positivity were: typical accumulation of hot spots in 2 directions of planar scan in the 24-48-hr measurements, while in atypical cases the hot spots were present only in the 48 hr picture. Twenty-one male volunteers were assessed. 18 of them had ACM (2 patients were studied repeatedly). The negative and positive control cases exhibited the expected Msc pattern. Seven ACM patients were regarded typically positive, in 5 cases atypical positivity was stated, and 6 patients were classified as Msc negatives. The heart lung activity ratio was 1.75 +/- 0.45 and 1.68 +/- 0.44 for typical and atypical positive cases, respectively. The control and DCM H/L ratios were 1.15 and 1.3 +/- 0.2, respectively, in AMI the H/L was 1.91, in DCM of dilatative phase it was 1.55 +/- 0.06 with serum myosin in the normal range. Heart dilation in the DCM groups: 5 dilated out of 7 typically positive cases while in atypically positive, and negative cases the dilation occurred in 2 out of 5 and 1 out of 6 cases, respectively. Low LV-EF (less than 45%) were found in ratios of 4/7, 2/5, and 1/6 in typically positive, atypically positive and negative cases, respectively. Elevated PCP similar ratios. In the same groups pathological ECG was seen in ratios of 5/7, 1/5, and 1/6, respectively. The g-GT activity was enhanced in all cases, there was, however, no evident correlation between the actual enzyme activity and intensity of hot accumulation.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗