Kinesiology Anatomy Chapter 4
What 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
Which of the following actions is performed by the levator scapulae muscle? Upward rotation Downward rotation Depression Elevation
Elevation
Which of the following actions can the rhomboids muscle perform? Protraction, depression, upward rotation Retraction, protraction, depression Internal rotation, retraction, downward rotation Elevation, retraction, downward rotation
Elevation, retraction, downward rotation
Agonists for shoulder joint flexion include the anterior deltoid, coracobrachialis, and teres major muscles. (T/F)
False
Concentric action of the levator scapulae can cause upward rotation of the scapula. (T/F)
False
Concentric action of the pectoralis minor can result in scapular retraction. (T/F)
False
Having someone hold your hands and pull firmly, while you round your back, is a good way to stretch the serratus anterior. (T/F)
False
The cause of a winged scapula is most often some sort of injury which damages the nerve that innervates the trapezius. (T/F)
False
The scapulothoracic joint is a synovial joint. (T/F)
False
The serratus anterior functions to retract and downwardly rotate the scapulae. (T/F)
False
The intrinsic muscles of the hand originate on the carpals and insert on the phalanges. (T/F)
False--intrinsic refers to muscles located entirely within the body part upon which it acts
Which of the following statements is true of the shoulder joint? It is classified as an enarthrodial joint. Its movement is restricted to the sagittal plane. It is formed by the junction of the clavicle and humerus. Its stability is enhanced by the glenoid retinaculum.
It is classified as an enarthrodial joint.
Which of the following is a key application of the serratus anterior muscle? It is used strenuously when lifting with the hands, as in picking up a heavy wheelbarrow. It is used strongly in pulling the clavicle anteriorly and inferiorly toward the sternum. It is used in rotating the medial border of the scapula down and back toward the spinal column. It is used strongly in doing push-ups, especially in the last 5 to 10 degrees of motion.
It is used strongly in doing push-ups, especially in the last 5 to 10 degrees of motion.
Which of the following is NOT a common mechanism of spraining the AC joint? Receiving a direct blow to the acromion Falling directly on the acromion Receiving a direct blow to the coracoid process Falling on an outstretched hand
Receiving a direct blow to the coracoid process
The trapezius muscle is named for its ____.
Shape
What action involves the levator scapulae as a prime mover?
Shrugging the shoulders
Which of the following bony landmarks is located on the anterior surface of the scapula? Infraspinous fossa Subscapular fossa Supraspinous fossa Glenoid fossa
Subscapular fossa
Which of the following muscles would best be strengthened by the bench press and overhead press exercises? The rhomboid muscle The serratus anterior muscle The levator scapulae muscle The trapezius muscle
The serratus anterior muscle
Which of the following muscles has an insertion that spans the posterior scapular spine? The rhomboid muscle The serratus anterior muscle The trapezius muscle The levator scapulae muscle
The trapezius muscle
Contraction of the trapezius muscles can result in scapular retraction. (T/F)
True
The acromioclavicular joint is an arthrodial joint. (T/F)
True
The insertion of the pectoralis minor muscle is on the coracoid process of the scapula.
True
The origin of the pectoralis minor muscle is the anterior surfaces of the third to fifth ribs. (T/F)
True
The serratus anterior inserts along the entire length of the medial border of the scapula. (T/F)
True
Which of the following actions are associated with the middle fibers of the trapezius muscle? Horizontal adduction, depression, and abduction Internal rotation, extension, and adduction Upward rotation, adduction, and elevation Abduction, horizontal adduction, and flexion
Upward rotation, adduction, and elevation
Anterior tilt of the scapula is rotational movement _____.
about the frontal axis occurring during hyperextension of the glenohumeral joint
Posterior tilt of the scapula is rotational movement _____.
about the frontal axis, occurring during hyperflexion of the glenohumeral joint
Which of the following terms refers to the movement of the scapula medially toward the spinal column, as in pinching the shoulder blades together? Elevation Depression Adduction Abduction
adduction
Which exercise best targets development of the middle trapezius and rhomboids?
bent over dumbbell rows
The conoid and trapezoid ligaments most directly stabilize the _____ joint.
coracoclavicular
Which of the following is most likely to be sensitive to palpation? coracoid process scapular spine acromion inferior angle
coracoid process
Which of the following actions is NOT performed by the trapezius muscle? Upward rotation Elevation Depression Downward rotation
downward rotation
The lower fibers of the trapezius can perform all of the following actions except _____. depression. adduction. upward rotation. elevation.
elevation
Movement during which the scapula rotates around its vertical axis, so that its medial border moves anteriorly and its lateral border moves posteriorly is referred to as _____.
external rotation (medial tilt)
Anterior tilt of the scapula is rotational movement _____.
in which the superior border moves anteroinferiorly and the inferior angle moves posterosuperiorly
Which of the following bony landmarks is located on the posterior surface of the scapula? Subscapular fossa Posterior fossa Glenoid fossa Infraspinous fossa
infraspinous fossa
Movement during which the scapula rotates around its vertical axis, so that its lateral border moves anteriorly and its medial border moves posteriorly is referred to as _____.
internal rotation (lateral tilt)
Which of the following dislocation injuries has the greatest potential to be life-threatening? posterior sternoclavicular lateral scapulothoracic superior acromioclavicular inferior costoclavicular
posterior sternoclavicular
Which of the following actions is performed by the serratus anterior muscle? Retraction Elevation Protraction Depression
protraction
Movement of the shoulder girdle in the horizontal plane toward the spine is called _____.
retraction (adduction)
Which of the muscles are used powerfully in performing chin-ups, as an individual hangs by the hands from a horizontal bar and pulls his/her chin above the bar?
rhomboid muscles
Which of the following muscles is most commonly affected by scapular winging?
serratus anterior
The shoulder girdle movements primarily involve all of the following muscles except: the pectoralis major muscle the serratus anterior muscle. the trapezius muscle. the rhomboid major and minor muscles.
the pectoralis major muscle
Which of the following muscles has its origin in the surface of the upper nine ribs at the side of the chest? The levator scapulae muscle The serratus anterior muscle The trapezius muscle The rhomboid muscle
the serrates anterior
Which of the following muscles performs stabilization and protection of the sternoclavicular joint? The trapezius muscle The subclavius muscle The serratus anterior muscle The pectoralis minor muscle
the subclavius muscle
Which of the following muscles performs both elevation and depression? The trapezius muscle The serratus anterior muscle The rhomboid muscle The pectoralis minor muscle
the trapezius muscle
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? Adduction Elevation Abduction Upward rotation
upward rotation
