LAB MANUAL FOR HUMAN A&P MAIN VERSION
4th Edition
ISBN: 9781266871016
Author: Martin
Publisher: MCG
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Textbook Question
Chapter 20, Problem 3.7A
When the biceps brachii acts as the agonist, the _______ muscle assists as a synergist.
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The triceps brachii muscle has 2 different origin attachment points.
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Chapter 20 Solutions
LAB MANUAL FOR HUMAN A&P MAIN VERSION
Ch. 20 - The outermost layer of connective tissue of a...Ch. 20 - The thick myofibril filament of a sarcomere is...Ch. 20 - The muscle primarily responsible for an action is...Ch. 20 - The neuron and the muscle fibers it innervates is...Ch. 20 - The functional contractile unit of a muscle fiber...Ch. 20 - Prob. 6PLCh. 20 - A synergistic muscle contraction assists the...Ch. 20 - The plasma membrane of a muscle fiber (cell) is...Ch. 20 - Match the terms in column A with the definitions...Ch. 20 - FIGURE 20.7 Label this transmission electron...
Ch. 20 - When stimulated to contract, the sarcomeres...Ch. 20 - Prob. 3.1ACh. 20 - The ____________ of a muscle is attached to a more...Ch. 20 - A muscle responsible for most of an action is...Ch. 20 - Assisting muscles of an agonist are called...Ch. 20 - Antagonists are muscles that resist the actions...Ch. 20 - When the forearm is extended at the elbow joint,...Ch. 20 - When the biceps brachii acts as the agonist, the...Ch. 20 - A _____________ is a synergistic muscle that will...
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- A/An ____________________________ injury can be a strain or tear on any of the three muscles that straighten the hip and bend the knee. Achilles tendon hamstring myofascial shin splintarrow_forwardThe _______________________ of a muscle is usually attached to a fixed part.arrow_forwardPronation of the forearm is achieved by two muscles, the pronator _____ just distal to the elbow and the pronator _____ near the wrist.arrow_forward
- Antagonists are muscles that resist the actions of _______________________ and cause movement in the oppositedirection.arrow_forwardThe _____ muscles diverge like a V from the middle of the upper thorax to attachments behind the ears.arrow_forwardMost of the muscles acting in groups and most of skeletal muscles are arranged in opposing pairs at joint acting either as agonist or orarrow_forward
- Which of the following muscle groups is the antagonist for quadriceps? rectus femoris pectoralis major trapezius hamstringsarrow_forwardThe _______________________ of a muscle is usually attached to a movable part.arrow_forwardThe _________ is the strongest muscle of the body for its size Temporalis Messeter Stapedius trapezius Which of the following muscles is a hip flexor? Gluteus maximus Bicep femoris Iliopsoas piriformis The pectoralis major, latissimus dorsi and subscapularis work together to create Elevations of the scapula Medial rotation at the shoulder Lateral rotation at the shoulder Flexion at the shoulderarrow_forward
- A muscle responsible for most of a movement is called a(n) _______________________.arrow_forwardThis muscle group primarily acts on the knee; involved with flexion at the knee.This muscle is involved with plantar flexion of the foot (a ballet dancer would use this muscle to point his or her toes in a dance move, and plantar flexion is necessary for a ballet dancer to dance en pointe).This muscle is the prime mover (agonist) of dorsiflexion of the foot.arrow_forwardmyofibril is only found in straight muscles. True or falsearrow_forward
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