Case Study II - Emma Scott

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Arkansas State University, Main Campus *

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201930

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Biology

Date

Jan 9, 2024

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docx

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4

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Case Study II: Muscular Fitness Assessment and Exercise Prescription Harold is a 40-year-old biology professor who teaches at the university and does research on cellular aging of skeletal muscle in dogs. Harold weighs 180 lb. (81.6 kg). He recently purchased a new townhome that requires very little household or yard maintenance. His primary recreation consists of playing chess, reading, and playing classical guitar. For physical exercise, he regularly puts the garbage out on Monday, presses remote control buttons for the home entertainment center, swipes through the screens on his smartphone, and rides his bicycle to work (2 miles [3.2 km] round-trip) 5 days per week. His research on aging prompted concern about his own muscular fitness. He contacted you to assess his strength and to design a resistance training program to increase his strength in an attempt to retard the degeneration of his muscular system. The results of his strength assessment were as follows: Test item 1-RM 1. Bench press 100 lb. (45.4 kg) 2. Arm curl 60 lb. (27.2 kg) 3. Lat pull-down 110 lb. (49.9 kg) 4. Leg press 300 lb. (136 kg) 5. Leg extension 95 lb. (43 kg) 6. Leg curl 60 lb. (27.2 kg)
Questions 1. Evaluate Harold’s strength for each test item. Bench Press 100 / 180 = .56 POINTS = 0 Arm Curl 60 / 180 = .34 POINTS = 2 Lat Pull-Down 110 / 180 = .61 POINTS = 0 Leg Press 300 / 180 = 1.67 POINTS = 3 Leg Extension 95/180 = .53 POINTS = 4 Leg Curl 60/180 = .33 POINTS = 2 2. Classify Harold’s overall strength. Harold’s Strength Fitness Category is Poor 3. Identify Harold’s two weakest muscle groups. Harold’s 2 weakest muscle groups are his Back and Biceps
4. Identify Harold’s strongest muscle groups. Harold’s 2 strongest muscle groups are his Quads and Hamstrings 5. Calculate and evaluate Harold’s quadriceps-to-hamstring ratio. 95/60lb = 1.583 Normal ratio = 3:2 Harold’s quad-to-hamstring ratio = Normal 6. Based on Harold’s performance on each test item, how many exercises for each major muscle group will you include in his resistance training exercise prescription? Harold needs more attention to strengthen his back and biceps. I will prescribe more reps with a lower weight for him to be able to fully work his muscles. For the other muscle groups, I will prescribe higher weight with less reps. 7. Harold’s goal is to improve strength. Design a resistance training program for him that uses free weights and exercise machines. Notes: For Strength - >80% 1RM with 1-6 Reps Exercise Program – Resistance Training DAY ONE – “Back and Bis” *Rest 2-5 minutes between sets Arm Curl Set 1: 30 lbs for 6 Set 2: 32.5 lbs for 5 Set 3: 35 lbs for 3 Lat Pull Down Machine Set 1: 70 lbs for 6 reps Set2: 75 lbs for 5 reps Set3: 80 lbs for 3 reps Bench Press Set 1: 60 lbs for 5 reps Set 2: 65 lbs for 3 reps Set 3: 70 lbs for 2 reps
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DAY TWO – “LEGS” *Rest 2-5 minutes between sets Leg Press Set 1: 180lbs for 6 reps Set 2: 210lbs for 4 reps Set 3: 240lbs for 2 reps Leg Extension: Set 1: 60lbs for 6 reps Set 2: 65lbs for 5 reps Set 3: 70lbs for 3 reps Leg Curl: Set 1: 40lbs for 5 reps Set 2: 45lbs for 3 reps Set 3: 50lbs for 2 reps 8. How will Harold know when he should increase resistance to apply the principle of progressive overload? When he can complete 2 extra reps or more on his last set, two workouts in a row