NSCA Certified Strength & Conditioning Specialist - CSCS COMPLETE
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Question & Answers 100% Verified!!Why do sedentary ,healthy adults require dietary proteins/amino acids to maintain good health?
- to maintain cellular structure and function
- to prevent diseases such as cancer
- to strengthen bones
ANSWER:
- to maintain cellular structure and function
EXPLANATION:
Protein is the primary structural and functional component of every cell in the human body. Dietary proteins are used for growth and development and to build and repair cells; they
serve as enzymes, transport carriers, and hormones.Therefore, dietary protein is essential for maintaining health, reproduction, and cellular structure and function. This applies to both active and sedentary individuals.
Essentials of Strength Training and Conditioning, 4th Edition.Ch 9, pg 181-182
Which muscle is directly targeted during the pec-deck?
- deltoids
- pectoralis major
- triceps brachii
ANSWER:
- pectoralis major
EXPLANATION:
In the pec-deck movement, the idea is to create a long level out of your arms, therefore putting more pressure on the primary and secondary muscles. The pec-deck directly targets the pectoralis major, and does so in a way different than a bench press because the elbows are unlocked throughout the whole range of motion. This length in the arms makes the movement much harder. The deltoids and triceps brachii are assistance muscles, working with the pectoralis major to create the movement.
Essentials of Strength Training and Conditioning, 4th Edition.Ch 15, pg 376
Which of the following statements is true regarding Golgi tendon organs?
- they are mechanoreceptors located within the
musculotendinous junction that are sensitive to tension and rate of tension change
- they are mechanoreceptors located in joints throughout the
fibrous capsule and ligaments that respond to joint position, movement, and pressure change
- they are major sensory organs that are sensitive to change
in length and rate of length change
ANSWER:
- they are mechanoreceptors located within the
musculotendinous junction that are sensitive to tension and rate of tension change
EXPLANATION:
Golgitendonorgans (GTOs) are activated when the tendon attached to an active muscle is stretched. As tension increases within a muscle, discharge of the GTOs increases. They inhibit a motor neuron when muscle tension increases, and this inhibition is thought to provide a mechanism that protects against the development of excessive tension.