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Chap 15 & 16

Week 6 Axial & Appendicular Muscles

QuestionAnswer
The prime mover can also be called the: agonist.
The muscle that raises or lowers the shoulders or shrugs them is the: trapezius.
Which of the following is not a posterior muscle that acts on the shoulder girdle? Pectoralis minor
The sternocleidomastoid muscle is an example of a muscle named for its: points of attachment.
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 Achilles tendon is common to both the gastrocnemius and the soleus. True
The covering of individual muscle fibers is the: endomysium.
A muscle that assists with mastication is the: masseter.
The posterior arm muscle that extends the forearm is the: triceps brachii.
There are more than 600 muscles in the body. True
Which of the following is not a muscle that moves the thigh? Sacrospinalis
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.
he muscle(s) assisting in rotating the arm outward is (are) the: teres minor.
The flexor muscles that move the fingers are mostly located on the: anterior medial surface of the forearm.
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.
Another name for a sphincter muscle is a _____ muscle. circular
Muscles located on the lower leg move the: foot
The teres major and teres minor muscles move the: arm.
The action of the brachialis muscle is to _____ the forearm. flex
Skeletal muscles constitute approximately ____ of our body weight. 50%
When an athlete injures a muscle of the hamstring group, the injury is on the: posterior thigh.
The soleus muscle is an example of a _____ muscle. pennate
Muscles may be named according to: function. direction of fibers. points of attachment. all of the above. all of the above.
Which of the following is not a group of pennate muscles? Tripennate
Which of the following is not a muscle of the quadriceps femoris group? Biceps femoris
The most common type of lever in the body is a _____-class lever. third
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 muscle that flexes the semipronated or semisupinated forearm is the: brachioradialis.
Muscles that contract at the same time as the prime mover are called: synergists. fixators. antagonista both A and B. synergists & fixators
All of the following muscles are part of the rotator cuff muscles except the: deltoid.
Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the: perimysium.
Which of the following statements about the muscles of the head is incorrect? They are paired muscles. They have different actions depending on whether one or both parts of the pair contract. The splenius capitis muscle is sometimes called the prayer The splenius capitis muscle is sometimes called the prayer muscle because it causes the head to bow.
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
Which of the following muscles does not move the upper arm? Trapezius
Moving from superficial to deep, the connective tissue components would be: epimysium, perimysium, endomysium.
Which of the following muscles has fibers on a transverse plane? Transverse abdominis
The muscle that extends and adducts the arm is the: latissimus dorsi.
Which of the following is not a muscle that moves the foot? Sartorius
The pectoralis major muscle is an example of a _____ muscle. convergent
The biceps brachii has this fascicle arrangement, which maximizes the range of motion possible. parallel
A muscle with fascicles that insert into only one side of the tendon is categorized as unipennate.
The point of attachment that does not move when the muscle contracts is the ORIGIN
In addition to the Pectoralis major, another muscle that displays this pattern of fascicle arrangement is Latissimus dorsi. convergent
The innermost muscle of the abdominal wall is the transverse abdominis.
A muscle with fascicles that insert into the tendon from both sidesis categorized as bipennate.
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 term _____ is used to describe a muscle that directly performs a specific movement. agonist
Muscles that move the forearm include which of the following? brachioradialis pronator teres biceps brachii All of these are correct. ALL OF THESE ARE CORRECT!
The common tendon of the gastrocnemius and soleus is called the calcaneal tendon.
The continuous low level of sustained contraction maintained by all skeletal muscles is muscle tone.
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
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 fibrous connective tissue that surrounds the entire muscle and is outside the epimysium and tendon is called the fascia.
Muscles with this type of muscle fascicle arrangement are either fusiform or straplike in appearance. parallel
The muscle fascicle arrangement for Orbicularis oris is best characterized as circular.
An example of a muscle with this type of fascicle arrangement is the orbicularis oris. circular
muscles that move the wrist, hand, and fingers can be extrinsic or intrinsic.
The individual muscle fibers are covered by a connective tissue membrane called the endomysium.
Created by: Crystal C
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