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Wyszukujesz frazę "wrist" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Effects of Ergorest Arm Supports on Muscle Strain and Wrist Positions During the Use of the Mouse and Keyboard in Work With Visual Display Units: A Work Site Intervention
Autorzy:
Lintula, M.
Nevala-Puranen, N.
Louhevaara, V.
Powiązania:
https://bibliotekanauki.pl/articles/90210.pdf
Data publikacji:
2001
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
ergonomics
arm support
electromyography
wrist angle
ergonomia
elektromiografia
nadgarstek
Opis:
The effects of Ergorest arm supports on wrist angles and musculoskeletal strain in the neck-shoulder-arm region and electrical activity in the shoulder and arm muscles were studied during typing or the use of the mouse in work with a visual display unit (VDU). Twenty-one women were randomized into 3 groups (1 arm support, 2 arm supports, and control). Measurements were carried out before and after the 6-week intervention. The wrist extension of the mouse hand, the muscle activity of the trapezius muscle, and the subjective discomfort ratings indicated that 2 arm supports were better than 1 in work with a mouse. The Ergorest arm support alleviates muscle and joint strain in VDU work when used for both arms.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2001, 7, 1; 103-116
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Flexion and Extension Angles of Resting Fingers and Wrist
Autorzy:
Lee, K.-S.
Jung, M.- C.
Powiązania:
https://bibliotekanauki.pl/articles/90396.pdf
Data publikacji:
2014
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
finger
wrist
resting posture
angle
palce
nadgarstek
kąt zgięcia
pozycja odpoczynku
Opis:
This study determined flexion and extension angles of resting fingers and wrist in terms of forearm posture (neutral, pronation and supination) and shoulder flexion (0°, 45°, 90° and 135°). The participants participated in 12 angle measurements for 16 finger joints and wrist. The finger joints flexed more in supination than in neutral posture and pronation and the thumb flexed more than the other fingers because of the gravity and skin tension. This phenomenon became more apparent as the shoulder flexed. The carpometacarpal joint had the largest flexion angle in the thumb joints, whereas the proximal interphalangeal joints had the largest flexion angles in the other finger joints. The resting posture of the wrist extended of ~16° in any forearm postures when the shoulder was at 0°. The results of this study could be useful for rehabilitation tool and product designs.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2014, 20, 1; 91-101
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computer Professionals and Carpal Tunnel Syndrome (CTS)
Autorzy:
Ali, K. M.
Sathiyasekaran, B. W. C.
Powiązania:
https://bibliotekanauki.pl/articles/90158.pdf
Data publikacji:
2006
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
musculoskeletal disorders
cross-sectional study
occupational disorder
Tinel’s sign
Phalen’s sign
wrist
hand
body mass index
nadgarstek
ręka
praca a choroby
komputer
choroby narządów ruchu
pozycja przy pracy
choroba zawodowa
syndrom cieśni nadgarstka
Opis:
Carpal Tunnel Syndrome (CTS) is an important problem among computer professionals. Hence the prevalence of CTS among computer professionals and risk factors were studied. 648 subjects were selected from 4,276 computer professionals from 21 companies with a simple random sampling method. CTS was diagnosed based on clinical features.The prevalence of CTS was found to be 13.1% (95% CI 10.5–15.7%). Subjects with over 8 years of computer work, over 12 hrs of work per day and system administrators were at a higher risk for CTS (OR 3.3, 4.9 and 2.5 respectively). Flexed or extended hand position had higher risk for CTS. Higher risk for CTS was found with higher exposure to computer work. Ergonomic considerations are important in facilitating proper positioning of hand while working with a computer. Further studies on CTS risk factors among computer professionals are essential for planning prevention.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2006, 12, 3; 319-325
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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