Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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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 & Physiology
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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- Pronation of the forearm is achieved by two muscles, the pronator _____ just distal to the elbow and the pronator _____ near the wrist.arrow_forwardWhy are the muscles of the face different from typicalskeletal muscle?arrow_forwardWhich muscle is NOT supposed to make contraction when you do elbow flexion? Triceps brachii O Biceps brachii O Brachialis Biceps and triceps brachiiarrow_forward
- Doing chin-ups does NOT typically work which of the following muscle groups? A) GastrocnemusB) BicepsC) TrapeziusD) Deltoidarrow_forwardThe three large muscles on the posterior side of the thigh are collectively known by the colloquial name of _____ muscles.arrow_forwardWhich muscle extends the forearm?a. biceps brachiib. triceps brachiic. brachialisd. deltoidarrow_forward
- A muscle that has a pattern of fascicles running along thelong axis of the muscle has which of the following fasciclearrangements?a. circularb. pennatec. paralleld. rectusarrow_forwardSynergists / Fixators / SupinatorsQuestion:Muscle or muscles that answers the question:Name any two muscles that stabilize the shoulder joint.This muscle is a synergist in flexion of the forearm, and also stabilizes the elbow joint during rapid flexion and extension of the forearm.This muscle, besides being a flexor, supinates the forearm (performs the motion needed to turn a corkscrew and uncork a wine botte.arrow_forwardLabel anconeus, biceps brachii, extensor digitorum communis, extensor carpi radialis extensor carpi ulnaris, abductor indicis longus, flexor carpi radialis, palmaris longus and flexor carpi ulnaris. LABEL THE PICTURE, do not just COPY PASTE GOOGLE IMAGES and put it here.arrow_forward
- The tendons of which muscles form the rotator cuff?Why is the rotator cuff important?arrow_forwardBoth the gastrocnemius and _____ muscles insert on the heel by way of the calcaneal tendon:- a. semimembranosus b. tibialis posterior c. tibialis anterior d. soleus e. plantarisarrow_forwardA muscle that works with another to produce the same or similar movement is called a/an ___________.arrow_forward
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