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Physical Science
Ch 4-Muscular Strength and Endurance pt 2
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Last updated 6:45 PM on 4/4/23
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7 Terms
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Agonist
A muscle that contracts, and is the main muscle group responsible for the movement
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Antagonist
Muscle that relaxes.
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Agonist muscle groups
Latimus Dorsi (upper back)
Rectus Abdominus (stomach)
Quadricepts (top of thigh
Gastrocnemius (calf)
Soleus (below calf)
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Antagonist muscle groups
Deltoids (shoulder)
Erector Spinae (back muscles)
Hamstrings (back of thigh)
Tibialis Anterior (front of lower leg)
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Importance of proper technique
Reduce the risk of injury, can safely participate in sports and other activities, you can safely complete job tasks.
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Safety in weight training
Always perform the exercise using proper exercise technique.
Use a spotter
Pick up and lower the weights properly
Never train through pain or injury
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Assessing muscular strength and endurance
1\. Push-up test-upper body and arms
2. Squat test-Lower body
3\. Plank test- abs and back