Content - Volume 18, Issue 3
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A method for clinical studies of ground reaction forces during gait is presented. A walkway consisting of two force measuring platforms, each five meter long, allows the recording from several consecutive steps from both feet. Signals from photocells and goniometers have been added and a microcomputer system for on line recording and processing have been developed. The accuracy of the system is te ...
A group of 21 patients with total knee joint replacement was followed-up ten years after the operation. The clinical assessment including pain, range of motion, muscle strength and knee function was related to an objective gait analysis which included ground reaction force patterns and joint angular motion. This method of gait analysis not only confirmed in an objective way the impression from the ...
In 119 patients with total hip replacement (THR) 61 were operated on with cemented (Charnley) and 58 with non-cemented (HP Garches) fixation. The assessment was performed by clinical examination and objective registration by gait analysis 6 and 12 months postoperatively. The group with cemented fixation (Charnley) demonstrated better results in all variables. The greatest difference between the gr ...
The aim of this study was to find out whether maintained extreme flexion position of the lower-cervical-upper-thoracic spine in a sitting posture could induce pain, and thus possibly play a role in work related disorders with cervico-brachial pain. Ten healthy subjects assessed pain intensity of experimentally-induced pain on a Visual Analogue Scale (VAS). The quality and location of the pain was ...
It has been suggested that the increased pressor response to noradrenalin found in tetraplegic patients is due to absence of blood pressure restraining reflexes. However, it has also been found that below the lesion in such patients cutaneous vessels, which in intact man are not under baroreflex control, show prolonged vasoconstriction after sympathetic neural discharges. This finding might indica ...
This study was conducted to obtain information on the number of strides of EMG data needed per subject in a gait study. Ten strides of EMG data were cumulated on eight subjects for each of the soleus, rectus femoris, biceps femoris, vastus medialis and tibialis anterior muscles. The linear envelope of the EMG, normalized in time and amplitude, demonstrated a very high level of stability for a give ...