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Titolo:
Dynamics of self-injurious behaviors
Autore:
Newell, KM; Sprague, RL; Pain, MT; Deutsch, KM; Meinhold, P;
Indirizzi:
Penn State Univ, Dept Kinesiol, University Pk, PA 16802 USA Penn State Univ University Pk PA USA 16802 l, University Pk, PA 16802 USA Univ Illinois, Urbana, IL 61801 USA Univ Illinois Urbana IL USA 61801Univ Illinois, Urbana, IL 61801 USA Summit Ctr, Windsor, ON, Canada Summit Ctr Windsor ON CanadaSummit Ctr, Windsor, ON, Canada
Titolo Testata:
AMERICAN JOURNAL ON MENTAL RETARDATION
fascicolo: 1, volume: 104, anno: 1999,
pagine: 11 - 21
SICI:
0895-8017(199901)104:1<11:DOSB>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
KARATE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Newell, KM Penn State Univ, Dept Kinesiol, 146 Recreat Bldg, University Pk, PA 16802 USA Penn State Univ 146 Recreat Bldg University Pk PA USA 16802 USA
Citazione:
K.M. Newell et al., "Dynamics of self-injurious behaviors", AM J MENT R, 104(1), 1999, pp. 11-21

Abstract

Self-injurious behavior was examined in a case study of head-banging by an8-year-old girl with profound mental retardation and an autistic disorder. Trajectories of the arm movements and impact forces of the head blows weredetermined from a dynamic analysis of videotapes. Results revealed a high degree of cycle-to-cycle consistency in the qualitative dynamics of the limb motions, with one hand motions being faster than those with two hands (inphase and antiphase) and the motions with the helmet about 25% faster than those without the helmet. The impact force of SIBs as a percentage of body weights are near the low end of forces generated in boxing blows and karatehits.

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Documento generato il 03/04/20 alle ore 09:43:11