Upper+Limb+Muscle+Lab
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School
Liberty University *
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Course
027
Subject
Anatomy
Date
Jan 9, 2024
Type
Pages
4
Uploaded by KidThunder973
Name: Date: Upper Limb Muscle Lab Please answer the following questions as you watch the video presentation. Each question is worth 5 points. Video #1: Introduction to the Upper Extremity 1. What are the four sections of the upper limb? 2. What is the only muscle in the posterior compartment of the arm? 3. What two-headed muscle of the anterior compartment allows you to flex your arm? 4. What are the two types of muscles in the forearm? 5. What type of swimmer benefits from being able to hyperextend the elbow?
6. What type of muscles attach to the digits (the fingers)? Video #2: Model of the Upper Limb 7. What are the five muscles that form a box to control the wrist? 8. Which muscle pronates the hand? 9. Which muscle supinates the hand? Video # 3: Arm of the Cadaver 10. What is the name of the "shoulder-cap" muscle? 11. What muscle is directly beneath the biceps brachii?
12. What muscle joins the short head of the biceps brachii? 13. What are the names of the heads of the triceps, and where do they attach? 14. The anterior muscles and tendons of the forearm do what action? 15. What forearm muscle starts in the arm and inserts on the radius bone? 16. What is the action of the posterior muscles of the forearm? 17. What keeps the tendons of the wrist from popping out?
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18. Which muscle allows you to point your index finger? 19. Which muscle allows you to keep your "pinky" finger out to drink tea? 20. Why are the cadavers used in lab treated with respect and care?