Kines. Chapter 4
Which of the following muscles inserts on the triangular space at the base of the scapular spine?
trapezius muscle
Which of the following muscles is innervated by the spinal accessory nerve and branches of C3 and C4?
trapezius muscle
T/F: The pectoralis minor muscle can perform adduction, downward rotation, or depression when activated.
true
T/F: The serratus anterior muscle performs abduction in a transverse plane of motion.
true
List any five bony landmarks located on the scapula that can be seen from a lateral view. Essay
1. glenoid fossa 2. scapular spine 3. acromion 4. coracoid process 5. inferior angle
Which of the following is an efficient way to stretch the pectoralis minor muscle?
By lying supine with a rolled towel directly under the thoracic spine while a partner pushes each scapula into retraction
T/F: The origin of the serratus anterior muscle is the surface of the upper seven ribs at the side of the chest.
False, 9 ribs
T/F: The sternoclavicular joint is supported anteriorly by the costoclavicular ligament.
False; change costoclavicular ligament to anterior sternoclavicular ligament
T/F: The levator scapulae muscle is innervated by the dorsal scapular nerve C5 and branches of C6.
False; not C6 but C3-4
T/F: The insertion of the levator scapulae muscle is on the transverse processes of the upper four cervical vertebrae.
False; thats the origin
T/F: The levator scapulae muscle is responsible for an upward rotation of the inferior angle of the scapula.
False; the serrates anterior
T/F: The origin of the levator scapulae muscle is the spinous processes of the seventh cervical and first five thoracic vertebrae.
False; transverse process of the first four cervical vertebrae
T/F: The levator scapulae muscle inserts on the medial border of the scapula from the superior angle to the scapular spine.
False; vertebral border of scapula between medial angle and scapular spine
Which of the following is an important application of the trapezius muscle?
It is always used in preventing the glenoid fossae from being pulled down during the lifting of objects with the arms.
Which of the following is a key application of the serratus anterior muscle?
It is used strongly in doing push-ups, especially in the last 5 to 10 degrees of motion.
Which of the following statements is true about the rhomboid muscles?
They are innervated by the anterior scapular nerve (C5).
Which of the following is a salient feature of the upper fibers of the trapezius muscle?
They assist in extension of the head due to their origin on the base of the skull.
T/F: The actions of the serratus anterior muscle include abduction and upward rotation.
True
T/F: The innervation of the trapezius muscle is the spinal accessory nerve (cranial nerve XI) and branches of C3 and C4.
True
T/F: The insertion of the serratus anterior muscle is on the anterior aspect of the whole length of the medial border of the scapula.
True
Which of the following actions is associated with the middle fibers of the trapezius muscle?
Upward rotation, adduction, and elevation
In the context of shoulder girdle movements, an anterior tilt is a consequential rotational movement of the scapula _____.
about the frontal axis occurring during hyperextension of the glenohumeral joint
In the context of shoulder girdle movements, which of the following terms refers to the movement of the scapula medially toward the spinal column, as in pinching the shoulder blades together?
adduction
Which of the following actions is not performed by the trapezius muscle?
downward rotation
Which of the following actions is performed by the levator scapulae muscle?
elevation
The trapezius lower fibers are involved in all of the following actions except:
elevation involves: adduction, depression and upward rotation
T/F: The scapulothoracic joint is a true synovial joint, and its movement is independent of the sternoclavicular and acromioclavicular joints.
false. not a true synovial joint
T/F: The location of the pectoralis minor muscle facilitates its palpation with little difficulty.
false; alot
T/F: The insertion of the pectoralis minor muscle is on the coronoid process of the scapula.
false; coracoid process
T/F: The origin of the rhomboid muscles is the spinous processes of the last cervical and the first seven thoracic vertebrae.
false; eplace 7 with 5
Which of the following bony landmarks is located on the posterior surface of the scapula?
infraspinous fossa
The pectoralis minor muscle is innervated by the:
medial pectoral nerve arising from C8 and T1.
Which of the following muscles has its origin in the surface of the upper nine ribs at the side of the chest?
serratus anterior muscle
Which of the following muscles is innervated by the long thoracic upward nerve (C5-C7)?
serratus anterior muscle
Which of the following muscles is most commonly affected by scapular winging?
serratus anterior muscle
Which of the following muscles would best be strengthened by the bench press and overhead press exercises?
serratus anterior muscle
Which of the following applications necessarily involves the levator scapulae muscle?
shrugging the shoulders
Which of the following muscles performs stabilization and protection of the sternoclavicular joint?
subclavius muscle
Which of the following bony landmarks is located on the anterior surface of the scapula?
subscapular fossa
The shoulder girdle movements primarily involve all of the following muscles except:
the pectoralis major muscle. involves: -pectoralis minor -serratus anterior -trapezius -rhomboid -levator scapulae
Which of the following muscles are used powerfully in chinning, an activity in which an individual hangs from a horizontal bar suspended by his or her hands and pulls himself or herself up until his or her chin is over the bar?
the rhomboid muscles
Which of the following muscles performs an action in a sagittal plane of motion?
trapezius muscle
Which of the following muscles performs both elevation and depression?
trapezius muscle
T/F: The coracoclavicular ligament is particularly important in providing stability to the acromioclavicular joint.
true
T/F: The dorsal scapular nerve (C5) branch innervates the rhomboid muscles.
true
T/F: The long thoracic nerve originates from C5, C6, and C7 and innervates the serratus anterior muscle.
true
T/F: The most palpable shoulder girdle muscle is the trapezius muscle.
true
T/F: The origin of the pectoralis major muscle is the anterior surfaces of the third to fifth ribs.
true
T/F: The origin of the subclavius muscle is the superior aspect of the first rib at its junction with its costal cartilage.
true
T/F: The scapula moves on the rib cage as a consequence of joint motion actually occurring at the acromioclavicular joint and to a lesser extent at the sternoclavicular joint.
true
T/F: The trapezius muscles can perform adduction in a transverse plane of motion when activated.
true
Which of the following actions is performed by the serratus anterior muscle?
upward rotation
Which of the following movements involves moving the inferior angle superiorly and laterally away from the spinal column to assist in raising the arm out to the side?
upward rotation