The fine-tuning phase of aiming directly prior to trigger pull has been hypothesized to influence shot accuracy, however there is little research exploring and distinguishing the different phases of motor control during aiming. This analysis seeks to establish a baseline model for determining the duration of the fine-tuning stage of target acquisition, or the critical aiming window (CAW). The study uses data collected from United States Army Soldier volunteers in a simulated firing event from two different stationary shooting positions (standing and kneeling). The method of investigation included calculation of velocity, acceleration, and jerk of the target marker over the course of aiming to identify trends indicative of a transition between shooting phases. While acceleration and jerk yielded inconclusive results, a significant decrease in velocity was identified during specific shooting positions. This model uses a function of average velocity throughout the shooting trial to determine the CAW.
References
1.
BacaA.KornfeindP. (2012). Stability analysis of motion patterns in biathlon shooting. Human Movement Science, 31(2), 295-302.
2.
BenselC.K. (1997). Soldier performance and functionality: impact of chemical protective clothing. Military Psychology, 9(4), 287-300.
3.
BrownS.A.T.VillaJ.D.HancockC.L.HasselquistL. (2018). Stance and transition movement effects on marksmanship performance of expert shooters during a simulated multiple target engagement task.
4.
BrownS. A. T.MitchellK. B. (2017) Shooting Stability: A Critical Component of Marksmanship Performance as Measured through Aim Path and Trigger Control. U.S. Army Natick Soldier Research, Development, & Engineering Center, Natick, MA.
5.
BrownS.A.TMcNamaraJ.A.ChoiH.J.MitchellK.B. (2016). Assessment of a marksmanship simulator as a tool for clothing and individual equipment evaluation. In Proceedings of the Human Factors Society 60th Annual Meeting, 60(1), 1424-1428.
6.
CarboneP.D.CarltonS.D.StierliM.OrrR.M. (2014). The impact of load carriage on the marksmanship of the tactical police officer: a pilot study. Journal of Australian Strength and Conditioning. 22(2), 50-57.
7.
ChungG.K.DelacruzG.C.deVriesL.F.BewleyW.L.BakerE.L. (2006). New directions in rifle marksmanship research. Military Psychology, 18(2), 161-179.
8.
ChoiH. J.MitchellK. B.GarlieT.McNamaraJ.HennessyE.CarsonJ. (2016). Effects of Body Armor Fit on Marksmanship Performance. Advances in Physical Ergonomics and Human Factors, 341-354.
9.
CrowleyJ.C.HallmarkB.W.ShanleyM.G.SollingerJ.M. (2014). Changing the army’s weapon training strategies to meet operational requirements more efficiently and effectively. RAND Corporation Research Report, RAND Arroyo Center, Santa Monica, CA.
10.
HagmanJ.D. (2000). Basic rifle marksmanship training with the laser marksmanship training system (Research Report 1761). U.S. Army Research Institute for the Behavioral and Social Sciences.
11.
HawkinsR.N.SeftonJ.M. (2011). Effects of stance width on performance and postural stability in National-Standard pistol shooters. Journal of Sports Science, 29(13), 1381-1387.
12.
HumphreysL. G.BuxtonC. E.TaylorH. R. (1936). Steadiness and rifle marksmanship. Journal of Applied Psychology, 20(6), 680.
13.
Headquarters DOA. (2012). Soldier’s manual of common tasks: Warrior skills level 1. (STP 21-1-SMCT). Washington, DC.
14.
Headquarters DOA. (2003). Rifle marksmanship M16A1, M15A2/3, M16A4, and M4 carbine (FM 3-22.9). Washington, D.C.
15.
HudgensG.A.FatkinsL.T.BillingsleyP.A.MazurczakJ. (1988). Hand steadiness: Effects of sex, menstrual phase, oral contraceptives, practice, and handgun weight. Human Factors, 30, 51-60.
16.
JohnsonR.F.KobrickJ.L. (1997). Effects of wearing chemical protective clothing on rifle marksmanship and on sensory and psychomotor tasks. Military Psychology, 9(4), 301-314.
17.
JohnsonR.F.McMenemyD.J.DauphineeD.T. (1990). Rifle marksmanship with three types of combat clothing. In Proceedings of the Human Factors Society 34th Annual Meeting, 1529-1532.
18.
KemnitzC.P.RiceV.J.IrwinJ.S.MerulloD.J.JohnsonR.F. (1997). The effects of gender, rifle stock length, and rifle weight on military marksmanship and arm-hand steadiness. Technical Report. U.S. Army Research institute of Environmental Medicine; Natick, MA.
19.
KramlichG.R. (2005). The effects of posture, body armour, and other equipment on rifleman leathality. Unpublished master’s thesis. Naval Graduate School, Monterey, CA.
20.
McNamaraJ.ChoiH.J.BrownS.A.T.MitchellK. (2016). Evaluating the effects of clothing and individual equipment on marksmanship performance using a novel five target methodology. In Proceedings of the Human Factors Society 60th Annual Meeting, 60(1), 2043-2047.
21.
MononenK.KonttinenN.ViitasaloJ.EraP. (2007). Relationships between postural balance, rifle stability and shooting accuracy among novice rifle shooters. Scandinavian Journal of Medicine & Science in Sports, 17(2), 180-185.
22.
PalmerC.J.BigelowC.Van EmmerikR. (2013). Defining soldier equipment trade space: load effects on combat marksmanship and action-perception coupling. Ergonomics, 56(11), 1708-1721
23.
Program Executive Office (PEO) Soldier. (2015). Soldier systems integration dismounted baseline version 2.0. Fort Belvoir, VA.
24.
SchendelJ.D.HellerF. H.FinleyD.L.HawleyJ.K. (1985). Use of weaponeer marksmanship trainer in predicting M16A1 rifle qualification performance. Human Factors, 27 (3), 313-325.
25.
SchmidtR.A.LeeT.D. (1999). Motor control and learning: a behavior approach. Human Kinetics, Champaign.
26.
ShawR.Kinsella-ShawJ. (2007). The survival value of informed awareness. Journal of Consciousness Studies, 14(1-2), 137-154.
27.
TharionW.J.Shukitt-HaleB.LiebermanH. R. (2003). Caffeine effects on marksmanship during high-stress military training with 72 hours sleep deprivation. Aviation, Space, and Env. Medicine, 74(4), 309-314.
28.
TorreJ. P.MaxeyJ. L.PiperA. S. (1987). Live fire and simulator marksmanship performance with the M16A1 rifle, Study I: A validation of the artificial intelligence direct fire weapons research test bed. Volume I: Main Report. Volume II: Appendixes (Tech.Memo7-87). U.S. Army Human Engineering Laboratory and U.S. Army Project Manager for Training Devices: Aberdeen Proving Ground, MD.
29.
U.S. Army Marksmanship Unit (USAMU) Fort Benning. (2015, January13). Meeting on marksmanship training and performance. Natick Soldier Research Development and Engineering Center, Natick, MA.
30.
U.S. Marine Corps (USMC). (2001). Rifle Marksmanship (PCN 144 000091 00, MRCP 3-01A). Albany, GA.
31.
WarberJ. P.TharionW. J.PattonJ. E. (2002). The effect of creatine monohydrate supplementation on obstacle course and multiple bench press performance. The Journal of Strength and Conditioning Research, 16(4), 500-508.
