Certified personal trainer course_week 4 written assignment_James E Welsh III.docx - Welsh 1 James E Welsh III Professor Bobby Rollins PTR251 Certified

Certified personal trainer course_week 4 written assignment_James E Welsh III.docx

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Welsh 1 James E. Welsh III Professor Bobby Rollins PTR251: Certified Fitness Trainer 05 May 2019 Identify 5 major muscles Muscle Name: Pectoralis Major Origin: Clavicular : medial half of the anterior surface of clavicle Insertion: Flat tendon 2 or 3 inches wide to the outer lip of the intertubercular grove of humerus Intended Action: Clavicular: internal Rotation, horizontal adduction, flexion abduction, and adduction (when the arm is 90 degrees of abduction of the glenohumeral joint Exercises: The barbell bench press is a prime example that uses every part of the pectoralis major muscle. The barbell bench press in my opinion should be saved for intermediate lifters. The Barbell bench press requires balance, strength and proper form to reduce injury and be as effective as possible. I would use the dumbbell bench press to start beginners with as it will build stability and strength and require them to perfect form before attempting more weight. The Push-up is also another great example of an exercise that primarily uses the Pectoralis major. The push-up requires the athlete to press their own bodyweight up and down multiple times. This exercise is great for beginners because it can be modified safely. If an athlete is not strong enough to press their own bodyweight then they can place their knees on the floor during the movement and will reduce the amount of weight required to press. If this is option does not work for them, they can push their weight from a bench or off a wall. The push up will work for all fitness levels and ages. Muscle Name: Latissimus Dorsi
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Welsh 2 Origin: Posterior crest of ilium, back of sacrum, and spinous process of lumbar and lower T6-T12; slips from lower 3 ribs Insertion: Medial side of intertubercular groove of humerus Intended Action: Adduction, extension and internal rotation of glenohumeral joint also horizontal abduction of glenohumeral joint Exercises: The chin up/pull up is a great back workout. The chin up/pull-up can be considered by some to be an advanced exercise. I would place it in the upper intermediate category. It is very difficult to scale to
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