Optimization of upper extremity muscles using compound bow via Lagrange multiplier method (LMM)

Ariffin, Muhammad Shahimi; Rambely, Azmin Sham

doi:10.1063/1.4954566

Cited by 3 publications

(2 citation statements)

References 16 publications

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“…Mathematical models were developed to represent each segment of the body and enable an introduction to a set of movement variables during task function. Some researchers also studied the kinematic data on the upper limb but most of them focused more on the daily routine movement and for stroke patients [15][16][17][18]. In addition, there are many researchers who did their research on kinematic and kinetic data, especially in jump activity [2,5,[19][20][21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Kinetics Study in Parachute Landing Fall Technique by Comparing Professional and Amateur Malaysian Army Parachutists Using Kane’s Method

et al. 2020

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This paper discusses the torque data during Parachute Landing Fall (PLF) activity on the sagittal plane by applying Kane’s method. The value of torque is determined in order to identify the movement of extension and flexion at every joint-segment on the parachutist during landing. Data were obtained from three professional and eighteen amateur parachutists, each with three consecutive landings. Quintic Biomechanics Software v26 was selected to capture motion analysis. The mathematical model for the PLF technique was presented based on a two-link kinematics open chain in a two-dimensional space using Kane’s method. The t-test result showed the p-value of torque at each joint between professionals and amateurs (p ≤ 0.05). According to the torque result, the professional parachutists extended their arm then flexion their elbow, shoulder, hip, knee and the ankle plantar flexion during the foot strike phase. The professional demonstrated a perfect PLF technique by identifying the flexion and extension on each joint segment that was involved during landing activity. The value of torque at each joint segment from professional parachutists may be used as a guideline for amateurs to perform optimal landing and minimise the injury.

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Section: Introductionmentioning

confidence: 99%

Kinetics Study in Parachute Landing Fall Technique by Comparing Professional and Amateur Malaysian Army Parachutists Using Kane’s Method

et al. 2020

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“…Modern archery has been performed in the most international competition such as commonwealth and Olympic due to its accuracy, ease of use and portability [2,[11][12][13][14][15][16]. In order to enhance the performance of the archer, many research works have been carried out [1,3,[17][18][19][20][21][22][23][24][25]. Physiological measures refer to the combination of physiological signals such as electrocardiogram (ECG), electromyography (EMG) and electroencephalogram (EEG) [26].…”

Section: Introductionmentioning

confidence: 99%

Upper Extremity Muscle Force for Traditional Archery using Khatrah Technique

Ariffin¹

2020

IJATCSE

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This study investigated the behaviour of archer's muscle in six phases of archery cycle known as stance (S), knocking arrow (NA), pre-drew (PD), full draw (FD), release (R) and follow through (FT). Firstly, muscle data at bow arm and draw arm are collected from a world class archer that performed archery with the 45lb traditional composite bow with Khatrah technique. The data are collected by using Electromyography (EMG) sensor. The sensor is placed on ten significant muscles. In order to standardise the time frame of data and suppress noise, the extracted data is normalised and smoothed respectively. Further, muscle forces are gauged and compared in each phase. Result obtained shows that high muscle force at upper and lower arm acquired at bow arm, while trunk body part for draw arm. Furthermore, using Khatrah technique, the most affected muscle is flexor carpi radialis at the bow arm. This study provides the foundation for the development of system to monitor the muscle condition of archers.

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Comparison of upper limb muscles behaviour for skilled and recreational archers using compound bow

Ariffin

Rambely²

2017

AIP Conference Proceedings

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The purpose of this study was to investigate muscles activity during archery by carrying out an electromyography (EMG) experiment towards 12 muscles and six joints involving two types of subject (skilled and recreational). EMG is used to detect muscle signals during any particular activity. There were two types of data recorded which were maximum voluntary contraction (MVC) and archery activity. The skilled archer was found to produce 280 N of biceps brachii, 213.9 N of the deltoid, 123.4 N of trapezius forces compare to that of the recreational archer with 371.1 N, 164.9 N and 163.8 N, respectively for the draw arm during drawing phase. It is concluded that the recreational archer tends to a muscle fatigue phenomenon thus may contribute to possible serious injuries.

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Optimization of upper extremity muscles using compound bow via Lagrange multiplier method (LMM)

Cited by 3 publications

References 16 publications

Kinetics Study in Parachute Landing Fall Technique by Comparing Professional and Amateur Malaysian Army Parachutists Using Kane’s Method

Kinetics Study in Parachute Landing Fall Technique by Comparing Professional and Amateur Malaysian Army Parachutists Using Kane’s Method

Upper Extremity Muscle Force for Traditional Archery using Khatrah Technique

Comparison of upper limb muscles behaviour for skilled and recreational archers using compound bow

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