Search for dissertations about: "Ronny Lorentzon"

Found 4 swedish dissertations containing the words Ronny Lorentzon.

  2. 1. Effects of repetitive work on proprioception and of stretching on sensory mechanisms : implications for work-related neuromuscular disorders

    Author : Martin Björklund; Håkan Johansson; Albert Crenshaw; Ronny Lorentzon; Måns Magnusson; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Medicine; Repetitive motions; Muscle fatigue; Proprioception; Muscle stretching; Work-related musculoskeletal disorders; Nociception; Ergonomics; Medicin; Dermatology and venerology; clinical genetics; internal medicine; Dermatologi och venerologi; klinisk genetik; invärtesmedicin; medicin; Medicine;

    Abstract : The aims of the thesis were (i) to investigate the impact of repetitive low-intensity work exposure on proprioception and (ii) to examine effects of muscle stretching (especially sensory effects and effects on muscle nociception) and to relate its application to the prevention, alleviation and/or treatment of work-related neuromuscular disorders. The effects of low-intensity repetitive work on the shoulder proprioception were tested in healthy subjects. READ MORE

  4. 2. Quantitative morphological studies of the parathyroid gland

    Author : Hans-Olov Larsson; Ronny Lorentzon; Lennart Boquist Lennart Boquist; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Parathyroids; stereology; electron microscopy;

    Abstract : This work is based upon a series of quantitative morphological studies of the parathyroid glands of Mongolian gerbils and rats. Standard stereological methods were used on light and electron microscopical levels. READ MORE

  5. 3. Bone mass in the young athlete

    Author : Ulrika Pettersson; Ronny Lorentzon; Olle Svensson; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; bone mass; bone area; physical activity; muscle strength; body constitution; amenorrhea; puberty; adolescents; young aduts;

    Abstract : Bone mass and bone size accumulate during childhood and adolescence and peak in the twenties. The obtained peak bone mass has been suggested to be a major determinant of bone mass even in the very elderly. READ MORE

  6. 4. Position-matching and goal-directed reaching acuity of the upper limb in chronic neck pain : associations to self-rated characteristics

    Author : Jonas Sandlund; Mats Djupsjöbacka; Eugene Lyskov; Ronny Lorentzon; Alf Thorstensson; Umeå universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Neck pain; whiplash injuries; shoulder; proprioception; kinesthesis; vision; psychophysiology; somatosensory disorders; psychomotor performance; self assessment; Sports research; Idrottsforskning;

    Abstract : Neck-shoulder pain is common in the general population and causes individual suffering as well as large costs for the society. Despite substantial efforts, there is still a shortage of methods for objective diagnosis and effective rehabilitation of such disorders. Thus, there is a great need to develop and evaluate new methods for these purposes. READ MORE