Laboratory 6 - Laboratory 6 Dynamic Muscular Strength and...

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Laboratory 6: Dynamic Muscular Strength and Endurance David Jones
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INTRODUCTION: Muscular strength and endurance can be measured in many and in a collection of different techniques. Most sporting events require force production during dynamic events. During the 1960s, companies nationwides began designing equipment to more accurately measure strength and endurance. This was a result of the many research findings from strength specialists. This lab focused on the assessment of strength and endurance through dynamic constant external resisteance (DCER) muscle actions. This type of strength testing equipmentis very common in physical therapy clinics, strength and conditioning facilities, and most commercial gyms. A basic understanding of the equipment and the procedures will be learned from this lab. METHODS: 1. DCER Strength Testing DCER Strength will be measured using bench press to measure upper body DCER and leg press to measure lower body DCER. The value identified will be considered the subject’s one repetition maximum (1-RM). 1-RM is defined as an external load that the subject can lift for one repetition, but not two. There are many ways to estimate 1-RM, but that is an estimate and this procedure measures the actual 1-RM. A direct measurement of 1-RM requires the subject to lift preogressively heavier external loads until they can no longer complete a repetition
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throughout the full range of motion. This procedure can be used for any DCER exercise, but this lab will focus on bench press and leg press. A. Bench Press – Heave subject lie down on the bench press ench and grab the bar. They should place their hands on the bar in the position where they feel most comfortable during the pressing movement. A good starting point is to have the subject put their thumbs at the edge of the knurling on the bar, extend their thumbs, and then wrap their hands around the bar. Next, instruct the subject to count to three, and assist them with lifting the bar off of the rack. The bar should never be over the crown of the subject’s chest. Instruct the subject to lower the bar slowly, gently touching their chest, and then press the bar vetically until their arms are fully extended. For those that have never performed the bench press
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Laboratory 6 - Laboratory 6 Dynamic Muscular Strength and...

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