Leif Hasselquist
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Explore the profile of Leif Hasselquist including associated specialties, affiliations and a list of published articles.
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Articles
14
Citations
103
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Recent Articles
1.
ODonovan M, Hancock C, Bode V, Hasselquist L
Appl Ergon
. 2023 Oct;
114:104131.
PMID: 37783048
Marksmanship is a foundational Soldier skill required for all active-duty military personnel regardless of duty position. This research compared shooting performance and underlying postural mechanics of Expert and Novice marksmen...
2.
Loverro K, Hasselquist L, Lewis C
J Biomech
. 2019 Aug;
95:109280.
PMID: 31405526
The purpose of this study was to determine if females and males use different hip and knee mechanics when walking with standardized military-relevant symmetric loads. Fifteen females and fifteen males...
3.
Giles G, Hasselquist L, Caruso C, Eddy M
Med Sci Sports Exerc
. 2019 Jul;
51(12):2540-2546.
PMID: 31274685
Introduction: Physical exertion has both beneficial and detrimental effects on cognitive performance, particularly cognitive control. Research into physical exertion under conditions of load carriage is particularly important given that military...
4.
Fellin R, Seay J, Gregorczyk K, Hasselquist L
J Hum Kinet
. 2017 Feb;
50:27-35.
PMID: 28149338
Influences of load carriage and inclination on spatiotemporal parameters were examined during treadmill and overground walking. Ten soldiers walked on a treadmill and overground with three load conditions (00 kg,...
5.
Eddy M, Hasselquist L, Giles G, Hayes J, Howe J, Rourke J, et al.
PLoS One
. 2015 Jul;
10(7):e0130817.
PMID: 26154515
In the current study, ten participants walked for two hours while carrying no load or a 40 kg load. During the second hour, treadmill grade was manipulated between a constant...
6.
Brown T, ODonovan M, Hasselquist L, Corner B, Schiffman J
J Biomech
. 2014 Sep;
47(14):3494-501.
PMID: 25257813
This study quantified how body borne load impacts hip and knee biomechanics during anticipated and unanticipated single-leg cutting maneuvers. Fifteen male military personnel performed a series of single-leg cutting maneuvers...
7.
Frykman P, Merullo D, Banderet L, Gregorczyk K, Hasselquist L
J Strength Cond Res
. 2012 May;
26 Suppl 2:S30-6.
PMID: 22614225
Studies of exhaustive exercise on marksmanship are inconclusive and have not measured trigger pull latencies (LAT) nor considered impact of added torso loads. This study examined the impact of exhaustive...
8.
Seay J, Hasselquist L, Bensel C
Ergonomics
. 2011 Feb;
54(2):187-96.
PMID: 21294016
The purpose of this study was to assess how carrying a rifle in both hands affects upper body motion and coordination during locomotion. In total, 11 male soldiers walked (1.34...
9.
Gregorczyk K, Hasselquist L, Schiffman J, Bensel C, Obusek J, Gutekunst D
Ergonomics
. 2010 Sep;
53(10):1263-75.
PMID: 20865609
This study investigated the effects on metabolic cost and gait biomechanics of using a prototype lower-body exoskeleton (EXO) to carry loads. Nine US Army participants walked at 1.34 m/s on...
10.
Schiffman J, Chelidze D, Adams A, Segala D, Hasselquist L
J Biomech
. 2009 Aug;
42(13):2196-9.
PMID: 19647830
Linking human mechanical work to physiological work for the purpose of developing a model of physical fatigue is a complex problem that cannot be solved easily by conventional biomechanical analysis....