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Mohamed Ali Nabli, Nidhal Ben Abdelkrim, Imed Jabri, Tahar Batikh, Carlo Castagna and Karim Chamari

Purpose:

To examine the relation between game performance, physiological responses, and field-test results in Tunisian basketball referees.

Methods:

Computerized time–motion analysis, heart rate (HR), and blood lactate concentration [La] were measured in 15 referees during 8 competitive games (under-19-y-old Tunisian league). Referees also performed a repeated-sprint test (RSA), Yo-Yo Intermittent Recovery Test level 1 (YYIRTL1), agility T-test, and 30-m sprint with 10-m lap time. Computerized video analysis determined the time spent in 5 locomotor activities (standing, walking, jogging, running, and sprint), then grouped in high-, moderate-, and low-intensity activities (HIAs, MIAs, and LIAs, respectively).

Results:

YYIRTL1 performance correlated with (1) total distance covered during the 4th quarter (r = .52, P = .04) and (2) distance covered in LIA during all game periods (P < .05). Both distance covered and time spent in MIA during the 1st quarter were negatively correlated with the YYIRTL1 performance (r = –.53, P = .035; r = –.67, P = .004, respectively). A negative correlation was found between distance covered at HIA during the 2nd half (3rd quarter + 4th quarter) and fatigue index of the RSA test (r = –.54, P = .029). Mean HR (expressed as %HRpeak) during all game periods was correlated with YYIRTL1 performance (.61 ≤ r < .67, P < .01).

Conclusions:

This study showed that (1) the YYIRTL1 performance is a moderate predictor of game physical performance in U-19 basketball referees and (2) referees’ RSA correlates with the amount of HIA performed during the 2nd half, which represents the ability to keep up with play.

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* Arthur W. English * 10 1997 1 4 340 353 10.1123/mcj.1.4.340 Locomotor Patterns Elicited by Electrical Stimulation of the Brain Stem in the Mudpuppy Mark L. Shik * 10 1997 1 4 354 368 10.1123/mcj.1.4.354 mcj Motor Control 1087-1640 1543-2696 1997 1 4 10.1123/mcj.1997.1.issue-4 Point of View 10

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Ali Brian, Sally Taunton, Lauren J. Lieberman, Pamela Haibach-Beach, John Foley and Sara Santarossa

Fundamental motor skills (FMS) are the building blocks to more complex movement patterns ( Clark & Metcalfe, 2002 ). FMS are often subdivided into include object control (now referred to in the Test of Gross Motor Development-3 [TGMD-3] as ball skills) and locomotor skills ( Gallahue, Ozumn

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Stephanie Field, Jeff Crane, Patti-Jean Naylor and Viviene Temple

higher locomotor proficiency than boys do ( Barnett et al., 2015 ; LeGear et al., 2012 ; Liong et al., 2015 ; Robinson, 2011 ), recent review evidence suggests that the sex of a child is not associated with locomotor skill proficiency ( Barnett, Lai, et al., 2016 ). While the relationship between

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during Arm Movements Using a Model of the Human Arm Sybert Stroeve * 4 1999 3 2 158 185 10.1123/mcj.3.2.158 How Locomotor Parameters Adapt to Gravity and Body Structure Changes during Gait Development in Children Yvon Brenière * 4 1999 3 2 186 204 10.1123/mcj.3.2.186 Cross-Education of Muscle

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* Lesley J. White * 7 2012 29 3 224 242 10.1123/apaq.29.3.224 Barriers to Physical Activity for People With Long-Term Neurological Conditions: A Review Study Hilda F. Mulligan * Leigh A. Hale * Lisa Whitehead * G. David Baxter * 7 2012 29 3 243 265 10.1123/apaq.29.3.243 Locomotor Tests Predict

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Research Information Processing and Constraints-based Views of Skill Acquisition: Divergent or Complementary? Greg Anson * Digby Elliott * Keith Davids * 7 2005 9 3 217 241 10.1123/mcj.9.3.217 The Negotiation of Stationary and Moving Obstructions during Walking: Anticipatory Locomotor

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Guilherme M. Cesar, Rebecca Lewthwaite and Susan M. Sigward

-related differences in performance of athletic locomotor tasks have been observed between pre-pubertal children and young adults. During running and cutting tasks, children re-direct their momentum using larger impact forces (i.e., body weight-normalized ground reaction forces) than young adults ( Sigward, Pollard

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Steven van Andel, Michael H. Cole and Gert-Jan Pepping

target on the ground known as locomotor pointing ( Lee, Lishman, & Thomson, 1982 ). The mechanisms of locomotor pointing have been established in research concerning the long jump approach ( De Rugy, Montagne, Buekers, & Laurent, 2000 ; De Rugy, Taga, Montagne, Buekers, & Laurent, 2002 ; Lee et

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Ryan D. Burns, Youngwon Kim, Wonwoo Byun and Timothy A. Brusseau

Fundamental gross motor skills facilitate physical health, well-being, and performance in activities of daily living for the developing child. 1 , 2 Fundamental gross motor skills manifest from rudimentary phases of infancy to complicated locomotor and manipulative movements and serve as building