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Anatomy 6-12
Ch 6-12
| The Sartorius muscle, a thin straplike muscle would have muscle fascicles arranged in | parallel |
| This arrangement of muscle fascicles tends to be triangular in shape. The Pectoralis major is an example of a muscle with this type of muscle fascicle arrangement | convergent |
| The innermost muscle of the abdominal wall is the | transverse abdominis |
| The biceps brachii has this fascicle arrangement, which maximizes the range of motion possible | parallel |
| In addition to the Pectoralis major, another muscle that displays this pattern of fascicle arrangement is Latissimus dorsi | convergent |
| The individual muscle fibers are covered by a connective tissue membrane called the | endomysium |
| Muscles that move the wrist, hand, and fingers can be | extrinsic or intrinsic |
| The continuous low level of sustained contraction maintained by all skeletal muscles is muscle | tone |
| The common tendon of the gastrocnemius and soleus is called the | calcaneal tendon |
| Muscles that move the forearm include which of the following? | brachioradialis, pronator teres, biceps brachii |
| The fibrous connective tissue that surrounds the entire muscle and is outside the epimysium and tendon is called the | fascia |
| The muscle fascicle arrangement for Orbicularis oris is best characterized as | circular |
| The term _____ is used to describe a muscle that directly performs a specific movement | agonist |
| A muscle with fascicles that insert into the tendon from both sides is categorized as | bipennate |
| The long axes of the fascicles run parallel to the long axis of the muscle is a description of this type of fascicle arrangement | parallel |
| A muscle with fascicles that insert into only one side of the tendon is categorized as | unipennate |
| The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the | serratus anterior |
| The point of attachment that does not move when the muscle contracts is the | origin |
| All of the following muscles are part of the rotator cuff muscles except the: | deltoid |
| Which of the following statements about the muscles of the head is incorrect? | The splenius capitis muscle is sometimes called the prayer muscle because it causes the head to bow |
| The sternocleidomastoid muscle is an example of a muscle named for its: | points of attachment |
| Which of the following is not a muscle that moves the foot? | sartorius |
| 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 |
| Which of the following statements is incorrect? | All of the above are correct: The origin of the muscle is attached to the bone that does not move, The insertion of the muscle is attached to the bone that moves, When the muscle contracts, the insertion moves toward the origin |
| The most common type of lever in the body is a _____-class lever | third |
| Which of the following is not a muscle that moves the thigh? | sacrospinalis |
| Which of the following is not a posterior muscle that acts on the shoulder girdle? | pectoralis minor |
| The soleus muscle is an example of a _____ muscle | pennate |
| There are more than 600 muscles in the body T/F | true |
| Muscles that contract at the same time as the prime mover are called: | synergists and fixators |
| Skeletal muscles constitute approximately ____ of our body weight | 50% |
| Which of the following muscles does not move the upper arm? | trapezius |
| The teres major and teres minor muscles move the: | arm |
| Muscles located on the lower leg move the: | foot |
| Muscles that move the upper arm originate on the: | clavicle and scapula |
| The muscle that extends and adducts the arm is the: | latissimus dorsi |
| The muscle that allows the thumb to be drawn across the palm to touch the tip of any finger is the: | opponens pollicis |
| When an athlete injures a muscle of the hamstring group, the injury is on the: | posterior thigh |
| The prime mover can also be called the: | agonist |
| The action of the brachialis muscle is to _____ the forearm | flex |
| Another name for a skeletal muscle cell is a(n): | muscle fiber |
| Muscles may be named according to: | function, direction of fibers, and points of attachment |
| 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 muscle that flexes the semipronated or semisupinated forearm is the: | brachioradialis |
| Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the: | perimysium |
| The Achilles tendon is common to both the gastrocnemius and the soleus T/F | true |
| The origin of a muscle is on the femur, and the insertion is on the tibia. 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 and femoris |
| In pushing (pressing) a weight from shoulder height to above the head, which of the following muscles is least utilized? | biceps brachii |
| 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 |
| The latissimus dorsi muscle is an example of a _____ muscle | spiral |
| The muscle(s) assisting in rotating the arm outward is (are) the: | teres minor |
| The origin of a muscle is on the femur, and the insertion is on the tibia. 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? | flexor |
| The muscle that raises or lowers the shoulders or shrugs them is the: | trapezius |
| Another name for a sphincter muscle is a _____ muscle | circular |
| Which of the following body systems assists the muscles in maintaining posture? | digestive endocrine excretory |
| Moving from superficial to deep, the connective tissue components would be: | epimysium, perimysium, endomysium |
Created by:
MyraB01