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Anatomy Ch. 6

Uilani

QuestionAnswer
Muscles that move the wrist, hand, and fingers can be extrinsic or intrinsic.
The point of attachment that does not move when the muscle contracts is the origin.
The biceps brachii has this fascicle arrangement, which maximizes the range of motion possible. Correct! parallel
The fibrous connective tissue that surrounds the entire muscle and is outside the epimysium and tendon is called the fascia.
The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the serratus anterior.
The Sartorius muscle, a thin straplike muscle would have muscle fascicles arranged in parallel.
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
The muscle fascicle arrangement for Orbicularis oris is best characterized as circular.
A muscle with fascicles that insert into the tendon from both sidesis categorized as bipennate.
A muscle with fascicles that insert into only one side of the tendon is categorized as unipennate.
The common tendon of the gastrocnemius and soleus is called the calcaneal tendon.
Muscles with this type of muscle fascicle arrangement are either fusiform or straplike in appearance. parallel
The continuous low level of sustained contraction maintained by all skeletal muscles is muscle tone.
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.
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.
The term _____ is used to describe a muscle that directly performs a specific movement. agonist
An example of a muscle with this type of fascicle arrangement is the orbicularis oris. circular
Muscles that move the forearm include which of the following? All of these are correct. brachioradialis , pronator teres , biceps brachii
Which of the following is not a muscle that moves the thigh? Sacrospinalis
Which of the following is not a muscle that moves the foot? Sartorius
Skeletal muscles constitute approximately ____ of our body weight. 50%
The most common type of lever in the body is a _____-class lever. third
Which of the following muscles does not move the upper arm? Trapezius
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 posterior muscle that acts on the shoulder girdle? Pectoralis minor
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.
Which of the following is not a muscle of the quadriceps femoris group? Biceps femoris
Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the: perimysium
The flexor muscles that move the fingers are mostly located on the: anterior medial surface of the forearm
Muscles that contract at the same time as the prime mover are called: both A and B. synergists. fixators
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
Muscles that move the upper arm originate on the: clavicle and scapula.
The muscle that extends and adducts the arm is the: latissimus dorsi.
In pushing (pressing) a weight from shoulder height to above the head, which of the following muscles is least utilized? Biceps brachii
The muscle that allows the thumb to be drawn across the palm to touch the tip of any finger is the: opponens pollicis.
The posterior arm muscle that extends the forearm is the: triceps brachii.
The muscle(s) assisting in rotating the arm outward is (are) the: teres minor.
Muscles may be named according to: all of the above. function. direction of fibers. points of attachment.
The pectoralis major muscle is an example of a _____ muscle. The pectoralis major muscle is an example of a _____ muscle.
Moving from superficial to deep, the connective tissue components would be: epimysium, perimysium, endomysium
The sternocleidomastoid muscle is an example of a muscle named for its points of attachment.
There are more than 600 muscles in the body. True
The covering of individual muscle fibers is the: endomysium
The soleus muscle is an example of a _____ muscle. pennate
The teres major and teres minor muscles move the: arm
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? Both A and C. Rectus, Femoris
Which of the following body systems assists the muscles in maintaining posture? All of the above, Digestive, Endocrine, Excertory
The muscle that flexes the semipronated or semisupinated forearm is the: brachioradialis
The Achilles tendon is common to both the gastrocnemius and the soleus True
All of the following muscles are part of the rotator cuff muscles except the: deltoid
The latissimus dorsi muscle is an example of a _____ muscle spiral
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.
Another name for a sphincter muscle is a _____ muscle. circular
Muscles located on the lower leg move the: foot
When an athlete injures a muscle of the hamstring group, the injury is on the: posterior thigh.
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.
Another name for a skeletal muscle cell is a(n): muscle fiber.
Which of the following is not a group of pennate muscles? Tripennate
Created by: ubacoro
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