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Upper-Extremity Posture: Definition, Measurement and Control
Published in Nigel Corlett, John Wilson, llija Manenica, The Ergonomics Of Working Postures, 1986
Extreme flexion of the elbow is associated with cubital tunnel syndrome (Bora and Osterman 1982, Feldman et al. 1983, MacNicol 1982, Spanns 1970, Wadsworth and Williams 1973). This posture (see Figure 1 (c)) is often associated with assembly and inspection of small parts that must be held close to the eyes. Extreme rotation of the forearm is associated with medial and lateral epicondylitis (Goldic 1964. Hoffman 1981, Kurppa et al. 1979, Tichaucr 1976). Examples of these postures (sec Figure 1 (J) and (e)) arc often seen in workers holding parts and materials in front of their bodies.
Identify Risk Factors
Published in Mike Burke, Applied Ergonomics Handbook, 2020
A cumulative trauma disorder is a breakdown of a body part as a result of repetitive overuse, overexertion, or excessive stress. Examples of conditions that can be referred to as cumulative trauma disorders are: BursitisCarpal tunnel syndromeCubital tunnel syndromeDeQuervain’s diseaseDigital neuritisEpicondylitisExcessive fatigueFrozen shoulderGamekeeper’s thumbGanglion cystGuyon canal syndromeHypothenar hammer syndromePeritendonitis crepitansPronatoi teres syndromeRadial tunnel syndromeRaynaud’s phenomenaStenosing tenosynovitisStenosing tenosynovitis crepitansSynovitisSupinator syndromeTendonitisTenosynovitisThoracic outlet syndrome
Skill level and forearm muscle fatigue effects on ball speed in tennis serve
Published in Sports Biomechanics, 2021
Lin-Hwa Wang, Kuo-Cheng Lo, Fong-Chin Su
According to hospital examinations, both groups reported multiple dominant arm syndromes (pain, sore muscles and numbness), with the expert group members exhibiting cubital tunnel syndrome (58.33%), carpal tunnel syndrome (33.33%) and tendinopathy of the extensor tendon (25%) and the non-expert group members exhibiting tendinopathy of the extensor tendon (100%), osteoarthritis (63.64%), carpal tunnel syndrome (54.55%), radiculopathy (45.45%), cubital tunnel syndrome (36.36%), tendinopathy of the flexor tendon (36.36%), calcifications (36.36%) and ligament injury (36.36%).
Forearm muscle activation, ulnar nerve at the elbow and forearm fatigue in overhand sports
Published in Sports Biomechanics, 2020
Lin-Hwa Wang, Kuo-Cheng Lo, I-Ming Jou, Fong-Chin Su
Both groups reported multiple dominant arm syndromes, with the tennis players exhibiting cubital tunnel syndrome (58.33%), carpal tunnel syndrome (33.33%) and tendinopathy of the extensor tendon (25%) and baseball pitcher exhibiting cubital tunnel syndrome (60%), ulnar collateral ligament injury (53.33%) and ulnar nerve neuritis (26.67%), according to hospital examination.