Maximum values for isometric strength, dynamic and speed of movement (MEV) in the quadriceps muscle were measured 114 male subjects who between 11 70 yr. Biopsy samples taken from 51 (22-65 old). Isometric strength increased up to third decade, remained almost constant fifth then decreased with increasing age. However, no measurable external atrophy muscle, explaining decline could be seen old Histochemical changes tissue such as proportion type II fibers a selective fibers, The age was also...

Blood lipids, red cell volume, heart dynamic spirometry, electrocardiograms made at rest and during exercise, maximal oxygen uptake were determined in 29 former athletes 45 to 70 years old. The subjects had been very successful competitors endurance events before the age of 30, but for least 10 preceding this study sedentary. Maximal averaged 40 ml/kg/min which is 20% higher than that sedentary middle-aged men 25% lower still active same ages. Vital capacity, forced expiratory voluntary...

Standardized measurements of dynamic strength the kneee extensor muscles were performed in 25 healthy male subjects (17–37 yr) by means isokinetic contractions, i.e., knee extensions with constant angular velocities. Overall variation between double determinations maximal torque throughout 90 degrees arc motion (0 = fully extended leg) averaged 10% for different velocities chosen. At any given angle produced was higher isometric than contractions. Dynamic decreased gradually increased speed...

Total respiratory, pulmonary, and chest wall flow resistances were determined by means of forced pressure oscillations (3-9 cps) superimposed upon spontaneous breathing in a group patients with varying degrees obstructive lung disease. Increased total respiratory pulmonary found, whereas the resistance was normal or subnormal. The decreased increasing frequencies. Static compliance measured during interrupted slow expiration, dynamic quiet rapid breathing. Compliance found to be...

The reliability of the grip force instrument, Grippit was tested on 51 right-handed women which 18 were healthy, 19 had rheumatoid arthritis (RA) and 14 fibromyalgia (FM). Normative data obtained from 169 healthy subjects. Results indicate that high in arthritic satisfactory with fibromyalgia. All patients showed greatly reduced (RA average 21% FM 40% control values) when compared to women. Healthy 54% men's force. ratio between over 10 seconds peak 73% for RA women, 69% 83% 85% men.

Abstract A follow‐up study of muscle strength, morphology, and enzymatic activity in 23 men, 73–83 years age, was performed 7 after the first investigation. With exception two men treated for congestive heart failure four hypertension, all were apparently clinically healthy none had functional locomotor disturbances. Body weight reduced by 2% body cell mass 6%, whereas quadriceps strength decreased 10%–22% over 7‐year period. Fiber composition vastus lateralis did not change significantly,...

Twelve men and twelve women 78–81 years of age were studied with muscle biopsies from the right vastus lateralis biceps brachii measurements isometric isokinetic strength for knee‐extension elbow‐flexion. Bicycle ergometry determination heart rate oxygen uptake at submaximal (50 W) “maximal” work loads was also performed. Body cell mass estimated total body potassium. Muscle fibre composition respect to slow twitch (ST = type I) fast (FT II) fibres did not differ between sexes younger...

Objective: To compare the effect of walking training on a treadmill with body weight support (BWS) and ground at an early stage rehabilitation in patients hemiparesis after stroke. Design: Randomized controlled experimental study. Setting: Multicentre design; three departments medicine. Subjects: Seventy-three consecutive first stroke admitted to clinic were randomized into treatment group control group. Interventions: The received BWS for 30 minutes, 5 days week. according Motor Relearning...

Clinical alignment, pain variables, common symptoms and functional activity level associated with patellofemoral syndrome (PFPS) were evaluated in 40 women PFPS 20 healthy controls. No significant difference could be found neither between the patients' most symptomatic knee least knee, nor patients controls regarding clinical lower extremity such as Q-angle leg-heel alignment measurements. There no radiographic signs of malalignment. The significantly more involved competitively sports but...

We measured separate volume-pressure (V-P) relationships or rib cage and diaphragm-abdomen in seven human subjects during voluntary relaxation of the respiratory muscles, breathing at rest, exercise, rebreathing expired air. Estimates volume displacements two parallel chest wall pathways were based on analysis abdominal anteroposterior diameter changes. The pressure developed across each pathway (transthoracic pressure) was partitioned into serial drops: transdiaphragmatic transabdominal...

Changes in anteroposterior diameters of the rib cage and abdomen are sensed with magnetometers summed to give outputs which very nearly linearly related changes lung volume. The volume events breathing can be measured without recourse a mouthpiece or face mask, other than for calibration, minimal encumbrance subject.

Summary. The quadriceps muscle were investigated with respect to isometric and isokinetic strength, morphology as regards some enzymes metabolites of importance for the contractile processes. material comprises 52 men (66–76 years) 13 women (61–71 without clinical symptoms. Some participants used antihypertensive and/or heart‐regulating medicine but symptom‐free. None subjects participated in any systematic training. All them except one physically inactive woman carried out moderate physical...

<h3>Objective</h3> To investigate whether greater cardiovascular fitness in midlife is associated with decreased dementia risk women followed up for 44 years. <h3>Methods</h3> A population-based sample of 1,462 38 to 60 years age was examined 1968. Of these, a systematic subsample comprising 191 completed stepwise-increased maximal ergometer cycling test evaluate fitness. Subsequent examinations incidence were done 1974, 1980, 1992, 2000, 2005, and 2009. Dementia diagnosed according...