Shoulder & Pectoral

The following are functional articulations in the shoulder complex, EXCEPT:
Acromioclavicular
Scapulothoracic
Suprahumeral
Bicipital

Acromioclavicular

From which nerve root does the nerve to subclavius comes from?
C5 only
C5 and C6
C7 only
C8 and T1

C5 and C6

The rib located lateral to the sternal angle of Louis:
1st rib
2nd rib
3rd rib
4th rib

2nd rib

The inferior angle of the scapula lies at this level:
7th cervical vertebra
7th thoracic vertebra
4th and 5th thoracic vertebra
2nd thoracic vertebra

7th thoracic vertebra

Elevation of the scapula is accomplished by which of the following muscles?
Deltoid
Serratus anterior
Rhomboid major
Latissimus dorsi

Rhomboid major

Which of the following muscles DOES NOT produce extension movement of the shoulder?
Latissimus dorsi
Posterior deltoid
Teres major
Teres minor

Teres minor

Which of the following rotator cuff muscles inserts on the lesser tuberosity?
Subscapularis
Supraspinatus
Infraspinatus
Teres minor

Subscapularis

Which muscle is attached on the supraglenoid tubercle of the scapula?
Tendon of the biceps long head
Tendon of the biceps short head
Tendon of the triceps long head
Tendon of the triceps lateral head

Tendon of the biceps long head

The force couple responsible for upward rotation of the scapula:
Rhomboids and levator scapula
Trapezius and serratus anterior
Teres minor and major
Levator scapula and trapezius

Trapezius and serratus anterior

Which of the following statements is NOT TRUE regarding the scapulohumeral rhythm?
- Abduction of the arm involves movement at the shoulder joint and rotation of the scapula
- For every 3° of abduction of the arm, 2° occurs in the shoulder joint and 1° occur by rotation of the scapula
- Further elevation of the arm above the head is accomplished by rotating the scapula
- The muscles responsible for the upward rotation of the scapula are your rhomboids and levator scapula

The muscles responsible for the upward rotation of the scapula are your rhomboids and levator scapula

The following muscles connect the upper limb to the thoracic wall, EXCEPT:
Subclavius
Serratus anterior
Pectoralis minor
Teres major

Teres major

Which of the following structures in the shoulder is a common site for anterior dislocation?
Subacromial space
Foramen of Weitbrecht
Quadrangular space
Deltopectoral triangle

Foramen of Weitbrecht

The muscle that is used when describing the axillary artery to divide it into three parts is innervated by:
Medial pectoral
Lateral pectoral
Axillary
Lower subscapular

Medial pectoral

The stability of the glenohumeral joint is primarily due to:
The size and shape of the articulating surfaces
Ligamental support
Tone of the rotator cuff muscles
Joint capsule

Tone of the rotator cuff muscles

This muscle is responsible for anterior tilting of the scapula:
Pectoralis major
Pectoralis minor
Subclavius
Serratus anterior

Pectoralis minor

The anterior axillary fold is formed by lower border of this structure:
Pectoralis major
Pectoralis minor
Teres major
Latissimus dorsi

Pectoralis major

Injury to this nerve will result to medial winging of the scapula:
Dorsal scapular
Long thoracic
Suprascapular
Thoracodorsal

Long thoracic

The following muscles form the anterior wall of the axilla, EXCEPT:
Pectoralis major
Subclavius
Pectoralis minor
Serratus anterior

Serratus anterior

The following muscles has attachment on the vertebral border of the scapula, EXCEPT:
Serratus anterior
Rhomboid major
Trapezius
Levator scapula

Trapezius

Which of the following branches of the brachial plexus innervates the infraspinatus muscle?
Dorsal scapular
Suprascapular
Long thoracic
Thoracodorsal

Suprascapular

Which of the following muscles produce the forward movement of the clavicle?
Trapezius
Serratus anterior
Sternocleidomastoid
Pectoralis minor

Serratus Anterior

Which structure deepens the concavity of the glenoid fossa of the scapula?
Subscapularis bursa
Glenoid labrum
Supraglenoid tubercle
Infraglenoid tubercle

Glenoid labrum

The superior angle of the scapula lies opposite the:
7th cervical spine
2nd thoracic spine
3rd thoracic spine
4th thoracic spine

2nd thoracic spine

Which of the following muscles produce elevation of the clavicle?
Rhomboids
Subclavius
Serratus anterior
Pectoralis minor

Rhomboids

Which structure inserts on the medial lip of the intertubercular groove?
Pectoralis major
Teres minor
Teres major
Latissimus dorsi

Teres major

The following muscles are responsible for adduction of the shoulder joint, EXCEPT:
Pectoralis major
Pectoralis minor
Teres major
Latissimus dorsi

Pectoralis minor

Which of the following statements regarding the branches of the brachial plexus is FALSE?
The lateral pectoral nerve arises from the lateral cord and supplies the pectoralis minor
The radial nerve is the largest branch of the brachial plexus and supplies the muscles of the posterior compartment of the arm and forearm
The median nerve arises from the lateral and medial cords
The suprascapular nerve is supplied by the C5 and C6 roots

The lateral pectoral nerve arises from the lateral cord and supplies the pectoralis minor

The following are proximal attachments of the rhomboid minor, EXCEPT:
Ligamentum nuchae
Spine of C7
Transverse processes of C1-C4
Spine of T1

Transverse processes of C1-C4

The following muscles have attachment on the coracoid process of the scapula, EXCEPT:
Deltoid
Pectoralis minor
Coracobrachialis
Biceps short head

Deltoid

Which of the following muscles is innervated by the dorsal scapular nerve?
Teres minor
Teres major
Levator scapula
Trapezius

Levator scapula

The thoracodorsal nerve supplies which of the following muscles?
Deltoid
Latissimus dorsi
Trapezius
Levator scapula

Latissimus dorsi

Significant stability of the acromioclavicular joint is accomplished by which structure?
Coracoclavicular ligament
Acromioclavicular ligament
Coracoacromial ligament
Coracohumeral ligament

Coracoclavicular ligament

Which part of the brachial plexus does the musculocutaneous nerve arise from?
Upper trunk
Lateral cord
Medial cord
Posterior cord

Lateral cord

The following are branches of the posterior cord of the brachial plexus, EXCEPT:
Radial
Ulnar
Axillary
Thoracodorsal

Ulnar

The connective tissue enclosing the brachial plexus and the axillary artery:
Clavipectoral fascia
Suspensory ligament
Axillary sheath
Epineurium

Axillary sheath

Which of the following statements is FALSE regarding the cords of the brachial plexus?
All three cords of the brachial plexus lie above and lateral to the first part of the axillary artery
The anterior division of the upper and middle trunk form the posterior cord
The anterior division of the lower trunk form the medial cord
The lateral cord gives off a branch to the median nerve

The anterior division of the upper and middle trunk form the posterior cord

The only joint that connects the upper limb to the thorax:
Sternoclavicular
Acromioclavicular
Glenohumeral
Scapulothoracic

Sternoclavicular

Which of the following muscles is responsible for the first 0 – 30° abduction?
Deltoid
Supraspinatus
Infraspinatus
Trapezius

Supraspinatus

Excessive overhead activity may impinge this structure in the subacromial arch:
Tendon of the biceps long head
Tendon of the triceps long head
Tendon of the infraspinatus
Tendon of the supraspinatus

Tendon of the supraspinatus

The concave anterior surface of the scapula is known as:
Subscapular fossa
Suprascapular fossa
Infrascapular fossa
Suprascapular notch

Subscapular fossa

Which of the following muscles inserts on the floor of the bicipital groove?
Teres major
Latissimus dorsi
Pectoralis major
Biceps brachii

Latissimus dorsi

The sternal angle of Louis lies at the level of:
4th and 5th thoracic vertebra
7th cervical vertebra
7th thoracic vertebra
2nd thoracic vertebra

2nd thoracic vertebra

The following structures in the shoulder are palpable, EXCEPT:
Coracoid process
Supraglenoid tubercle
Inferior angle of scapula
Lesser tuberosity

Supraglenoid tubercle

This structure holds the long head of the biceps in the intertubercular groove:
Transverse humeral ligament
Conoid ligament
Trapezoid ligament
Glenohumeral ligament

Transverse humeral ligament

Paralysis of this muscle leads to a “dropped shoulder”:
Rhomboids major and minor
Trapezius
Deltoid
Pectoralis major

Trapezius

Which of the following motions does the pectoralis major is NOT capable of performing:
Shoulder flexion
Shoulder abduction
Shoulder adduction
Shoulder internal rotation

Shoulder abduction

Which of the following muscles is NOT innervated by a nerve branch from the brachial plexus?
Coracobrachialis
Trapezius
Latissimus dorsi
Subclavius

Trapezius

Which structure does your pectoralis minor inserts?
Acromion
Coracoid process
Lateral third of clavicle
Supraglenoid tubercle

Coracoid process

The apex of the axilla is formed by these structures, EXCEPT:
Clavicle
Scapula
1st rib
Axillary folds

Axillary folds