The aim of the study is to investigate the association between olfactory dysfunction (OD), hearing loss, and dysphonia.The cross-sectional data for 17,984 adults who completed the Korea National Health and Nutrition Examination Surveys (2010-12) were analyzed. OD, hearing loss, and dysphonia were assessed using self-reporting questionnaires. The association of OD with hearing loss and dysphonia...

A 62-year-old man presented with seven years of progressive dysphagia, dysphonia and difficulty in closing both eyes. His examination showed weakness and atrophy of facial and bulbar muscles without ocular involvement (Figure A, B and C). Single-fiber electromyography revealed increased jitter (Figure D). To evaluate for concurrent myopathy, a muscle biopsy was performed and showed angulated at...

COBURN, R. F., AND L. B. MAYERS. Myoglobin 02 tension determined from measurements of carboxymyoglobin in skeletal muscle. Am. J. Physiol. 220(l) : 66-74. 1971.-We have developed a method of estimating muscle intracellular oxygen tension in vivo, using myoglobin as an oxygen tension indicator. The method is based on the competition of oxygen and carbon monoxide for binding sites on myoglobin an...

COBURN, R. F., AND L. B. MAYERS. Myoglobin 02 tension determined from measurements of carboxymyoglobin in skeletal muscle. Am. J. Physiol. 220(l) : 66-74. 1971.-We have developed a method of estimating muscle intracellular oxygen tension in vivo, using myoglobin as an oxygen tension indicator. The method is based on the competition of oxygen and carbon monoxide for binding sites on myoglobin an...

The maximum tetanic tension (Po) generated by a skeletal muscle is determined by its functional cross-sectional area (CSA) and its specific tension (tension/CSA). Measurements of average fiber length (normalized to a sarcomere length of 2.2 micron), muscle mass, and approximate angle of pinnation of muscle fibers within a muscle were taken from 26 different guinea pig hindlimb muscles and were ...

This study provides the first in vivo measures of the passive length-tension properties of relaxed human muscle fascicles and their tendons. A new method was used to derive passive length-tension properties of human gastrocnemius muscle-tendon units from measures of ankle stiffness obtained at a range of knee angles. Passive length-tension curves of the muscle-tendon unit were then combined wit...

PURPOSE In a previous study, the authors found that recession of an extraocular muscle resulted in atrophy of both the recessed muscle and its antagonist. To determine if atrophy, caused by weakening of an extraocular muscle, results in changes in developed tension in the antagonist, the authors studied force development of the cat lateral rectus muscle after adductor weakening. METHODS Tenot...

STAINSBY, WENDELL N., AND ARTHUR B. OTIS. BZoodLfTow, blood oxygen tension, oxygen uptake, and oxygen transport in skeletal muscle. Am. J. Physiol. 206(4) : 858-866. rg64.-The effect of changes in blood flow and of blood oxygen tension on oxygen uptake of the in situ gastrocnemius-plantaris muscle group of the dog was examined. Oxygen uptake by resting muscle was not altered by changes in blood...

effects of venom from black scorpion androctonus crasicuda (ac) were determined on isolated chick biventer cervices nerve-muscle and mouse hemidiaphragm preparations using twitch tension method. the isolated nerves were stimulated by electrical stimulator and response to each stimulus was recorded. the venom mainly acted prejunctionally to facilitate neuromuscular activity due to an increase in...

In this study, effects of Buthus eupeus venom on chick biventer cervices nerve-muscle preparation were investigated by twitch tension method. The venom, at 1.3 ?g/ml, increased contractile responses in indirect stimulations. These effects were milder in direct muscle stimulations. It also caused significant enhancement in postjunctional sensitivity as assessed by responses to exogenous acetylch...