exam 1 pt.1
Injury to what nerve would be indicated by scapular winging?
Long thoracic nerve
Normal ROM for shoulder lateral or external rotation is
0 to 80-90 degrees
The angle of inclination—the relationship between the humerus and the humeral head in the frontal plane—should normally have a range of which of the following?
130° to 150°
When does the epiphyseal plate of the medial clavicle close?
25 years old
In a rotator cuff strain, pain increases when the arm moves actively between what degrees of abduction?
70 to 120
Which position would place the GH joint in its closed-packed position?
90° abduction with external rotation
The middle portion of the deltoid is responsible for what motion?
Abduction, horizontal abduction
The ligament that resists independent upward movement of the distal clavicle is the
Acromioclavicular
An athlete with a distal clavicle fracture may exhibit clinical signs and symptoms similar to those of
An acromioclavicular sprain
The primary shoulder flexors are the
Anterior deltoid and clavicular portion of the pectoralis major
Which of the following activities is likely to create chronic posterior instability in the shoulder?
Backstroke swimming
In a glenohumeral dislocation, the glenoid labrum can be damaged or avulsed from the anterior lip of the glenoid fossa, leading to what type of injury?
Bankart lesion
Speed's test is used to test what condition of the shoulder area?
Bicipital tendinitis
Which of the following activities is likely to create chronic posterior instability in the shoulder?
Blocking in Football
The biceps reflex include(s) which of the following dermatomes?
C5-C6
An athlete reports, head turned to the right side, supporting the right arm with the left arm. What injury should be suspected?
Clavicular fracture
In which phase of the throwing motion is maximum external rotation achieved?
Cocking
Circumduction and pendulum swings are examples of range of motion exercises collectively known as
Codman's Exercises
Which of the following is NOT a closed kinetic chain exercise for the shoulder?
Codman's pendulum
Nearly all injuries at the SC joint result from
Compression
In which phase of the throwing motion are the external rotators of the rotator cuff contracting eccentrically?
Deceleration
Most injuries to the rotator cuff occur during which phase of throwing?
Deceleration
If an athlete comes off the field supporting his/her injured arm, with their head tilted towards the injured shoulder and their chin turned towards the opposite side. Which injury have they likely sustained?
Fractured Clavicle
The scapula fossa that articulates with the humerus is deepened by an additional structure called the:
Glenoid labrum
Which of the following tests assesses for impingement syndrome?
Hawkins-Kennedy test
The main function of the rotator cuff muscles is to
Hold the head of the humerus in the glenoid fossa
In a moderate AC joint sprain, what motion will cause increased pain and a snapping sound at the joint?
Horizontal adduction
A mild acromioclavicular sprain is treated with: I. Ice application II. NSAIDs III. Immobilization with a sling IV. Referral to a physician V. Activity as tolerated
I, II, and V
A painful arc is characterized by a(n)
Inability to actively abduct the arm between 70 and 120 degrees
Which of the following ligaments is responsible for restraint during flexion and external rotation of the shoulder?
Middle glenohumeral
Nearly 80% of all clavicular fractures occur where?
Middle one third
Which fibers of the trapezius muscle are responsible for scapular retraction?
Middle trapezius
Peripheral nerve injuries can cause muscle weakness. An injury to which nerve would cause weakness in the biceps and coracobrachialis muscles?
Musculocutaneous
After receiving a blow to the sternum, an athlete has difficulty swallowing, a diminished pulse, and hoarseness. What injury may have occurred?
Posterior displacement of the clavicle
Apley's scratch test is used primarily to determine
ROM of internal and external rotation
A type II acromioclavicular sprain involves a
Rupture of the AC ligament and tear of the coracoclavicular ligament
Dead arm syndrome is associated with
SICK scapula
Which of the following structures is usually NOT injured with an impingement syndrome?
Short head of biceps brachii
What are contusions to the distal end of the clavicle called?
Shoulder pointers
With an anterior glenohumeral dislocation, the athlete's the arm will be in:
Slight abduction and external rotation
In a first-time glenohumeral dislocation, the injured arm is usually held in what position?
Slightly abducted and externally rotated
The upper extremity's only attachment to the axial skeleton occurs at which of the following?
Sternoclavicular (SC) joint
The most commonly injured bursa in the shoulder is the
Subacromial bursa
What is the only member of the rotator cuff group that internally rotates the humerus?
Subscapularis
The drop arm test is used to determine injury to what muscle?
Supraspinatus
The greatest number of upper humeral fractures in young athletic adults occurs at the:
Surgical neck
The coracoclavicular joint is a ______ joint, formed by the binding together of the coracoid process of the scapula and the inferior surface of the clavicle by the coracoclavicular ligament.
Syndesmosis
Which muscle does NOT serve an important function in preventing impingement of the supraspinatus and subacromial bursa during the throwing motion?
Teres major
Which one of the following is NOT a rotator cuff muscle?
Teres major
A more effective method of testing the integrity of the biceps brachii tendon is
speed's test
The _____ bursa may be irritated when repeatedly compressed during the overhand throwing motion.
subacromial
Damage to the long thoracic nerve will be evident in
Winging of the scapula
Which of the following is NOT a test for glenohumeral instability?
allen test
The most commmon shoulder direction for the shoulder to displace is in the _______________ direction.
anterior
What nerve can be damaged in an anterior glenohumeral dislocation?
axillary nerver
Which of the following tests is used to assess a labral lesion?
clunk test
While performing the Yergason's test the elbow is
flexed about 90 degrees
What is a weak site in the GH capsule that is often torn during an anterior GH dislocation?
Weitbrecht's foramen