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Anatomy
Chapter 6
Question | Answer |
---|---|
Which of the following muscles has fibers on a transverse plane? | Transverse abdominis |
Another name for skeletal muscle cells is | muscle fiber |
When an athlete injures a muscle of the hamstring group, the injury is on the | posterior thigh |
Which of the following statements about the muscles of the thorax is incorrect? | When the diaphragm contracts, it decreases the volume of the thoracic cavity and expels air from the lungs |
The acton of the brachialis muscle is to __ the forearm | flex |
The origin of a muscle is on the femur, and the insertion is on the tivia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name? | Rectus & Femoris |
Muscles that move the upper arm originate on the | clavicle and scapula |
The muscle that flexes the semipronated or semisupinated forearm is the | brachioradialis |
The soleus muscle is an example of a __muscle | pennate |
Which of the following is not a muscle that moves the thigh | Sacrospinalis |
Muscles that contract at the same time as the prime mover are called | Synergists & fixators |
Which of the following body systems assists the muscles in maintaining posture? | Digestive, Endocrine, Excretory |
Skeletal muscles constitute approx __of our body weight | 50% |
Which of the following is not a posterior muscle that acts on the shoulder gridle | pectoralis minor |
The pectoralis major muscle is an example of a __ muscle | convergent |
The teres major and teres minor muscles move the | arm |
The covering of individual muscle fibers is the | endomysium |
Which of the following is not a muscle tht moves the foot | sartorius |
The sternocleidomastoid muscle is an example of a muscle named for its | points of attachment |
The muscle that extends and adducts the arm is the | latissimus dorsi |
Groups of skeletalmuscle fibers are bound together by a connective tissue envelope called the | perimysium |
The latissiumus dorsi muscle is an example of a __muscle | spiral |
All of the following muscles are part of the rotator cuff muscles except the | deltoid |
The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Which of the following is true | The knee is acting as a fulcrum |
Which of the following is not a group of pennate muscles | tripennate |
Which of the following statements is incorrect | All of the following are correct |
A muscle is attached to the femur and tibia. Its function or action is to bend the knee. When it contracts, it is acting as the | prime mover |
The muscle that allows the thumb to be drawn across the palm to touch the tip of any finger is the | Opponens pollicis |
Moving from superficial to deep, the connective tissue compnents would be | epimysium, perimysium, endomysium |
There are more than 600 muscles in the body | True |
In pushing (pressing) a weight from shoulder height to above the head, which of the following muscles is least utilized | biceps brachii |
The posterior arm muscle that extends the forearm is the | triceps brachii |
A muscle that assists with mastication is the | masseter |
The muscle that raises or lowers the shoulders or shrugs them is the | trapezius |
The prime mover can also be called the | agonist |
Which of the following muscles does not move the upper arm | trapezius |
Muscles may be named according to | All of the above |
The muscles assisting in rotating the arm outward is the | teres minor |
The flexor muscles that move the fingers are mostly located on the | anterior medial surface of the forearm |
The achilles tendon is common to both the gastrocnemium and the soleus | True |