LABORATORY MANUAL FOR HUMAN ANATOMY & PH
4th Edition
ISBN: 9781260254426
Author: Martin
Publisher: MCG
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Textbook Question
Chapter 20, Problem 3.6A
When the forearm is extended at the elbow joint, the ___________________ muscle acts as the agonist.
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Chapter 20 Solutions
LABORATORY MANUAL FOR HUMAN ANATOMY & PH
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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- Antagonists are muscles that resist the actions of _______________________ and cause movement in the oppositedirection.arrow_forwardIn the female, the _______________________ muscles are separated by the vagina, urethra, and anal canal.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
- The detachment of the cross-bridge during muscle contraction occurs when __________________arrow_forwardIs the length of muscle contraction at the beginning of tetanic contraction the same or different from the lengthof the single muscle contractions before tetanic contraction occurred? ___________ How do you explain this?arrow_forwardPart B Label the muscles that move the arm. Reset Help Teres minor Brachioradialis Supraspinatus Deltoid Biceps brachii Spine of scapula Brachialis Submit Request Answer Part Carrow_forward
- The major superficial muscle of the shoulder,where injections are often given, is the______________arrow_forwardThe _______________________ muscle of the human is homologous to the sternomastoid muscle of the pig.arrow_forwardList all the muscles that compose the quadriceps femoris (All must be listed for credit). List all the muscles that compose the hamstrings (All must be listed for credit). ____________________________________________________________________________ Identify the arm muscles (A-E). Each letter will only be used once. Brachioradialis Triceps brachii Brachialis Deltoid Biceps brachii _____________________________________________________________________________ Identify the leg muscles (A-I). Each letter will only be used once. Rectus femoris Biceps femoris Tensor fascia latae Semitendinosus Gracilis Vastus lateralis Sartorius Vastus medialis Semimembranosusarrow_forward
- Select the most appropriate muscle(s) that perform(s) this body movement: Pectoralis Major Sternohyoid | Semispinalis Capitis Splenius Capitis Levator scapulae Platysmaarrow_forwardThe muscle used for pouting and to express horror is the _______________________.arrow_forwardA muscle contraction that occurs without the muscle shortening (like tryiing life an immovable object) is called __________________ contraction.arrow_forward
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