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WorksheetsMuscles of the Chest, Shoulder, & Upper Arm
Total questions: 41
Worksheet time: 32mins
What are the four muscles of the pectoral region?
What is the function of the pectoralis major muscle?
Extends the upper limb
Adducts and medially rotates the upper limb
Flexes the lower limb
Abducts and laterally rotates the upper limb
Which nerves innervate the pectoralis major muscle?
Radial and ulnar nerves
pectoral nerves
Phrenic nerves
Axillary nerve
The pectoralis minor muscle originates from the (a) and inserts into the (b) process of the (c) .
1st-2nd ribs
9th-11th ribs
What is the function of the pectoralis minor muscle?
Flexes the elbow
Stabilizes the scapula
Extends the shoulder
Rotates the forearm
What is the function of the serratus anterior muscle?
Depresses and abducts the clavicle
Rotates and protracts the scapula
Flexes and rotates the elbow
Extends the wrist
Which nerve innervates the serratus anterior muscle?
Long thoracic nerve
Median nerve
Ulnar nerve
Radial nerve
What is the primary function of the subclavius muscle?
Elevates and abducts the scapula
Anchors and depresses the clavicle
Flexes the shoulder
Rotates and abducts the humerus
Where does the subclavius muscle originate?
Lateral aspects of ribs 1-8
Junction of the 1st rib and its costal cartilage
Medial border of the scapula
Superior surface of the clavicle
What clinical sign is produced if the long thoracic nerve is damaged?
Winging of the scapula
Foot drop
Carpal tunnel syndrome
Tennis elbow
True or false:
The intrinsic muscles of the shoulder originate from the scapula and/or clavicle and attach to the humerus.
True
False
What are the six intrinsic muscles of the shoulder?
What shape is the deltoid muscle?
Circle
triangle
Square
Rectangle
Which nerve innervates the deltoid muscle?
Radial nerve
Axillary nerve
Ulnar nerve
Median nerve
What muscle is the major abductor of the arm?
Deltoid
Where does the teres major muscle originate?
Lateral third of the clavicle
Posterior surface of the inferior angle of the scapula
Spine of the scapula
Acromion
What is the collective function of the rotator cuff muscles?
To extend the elbow
To stabilize the glenohumeral joint
To flex the shoulder
To enable lateral rotation of the head and neck
List the four rotator cuff muscles.
Which muscle is responsible for assisting the deltoid to abduct the upper limb at the shoulder?
Infraspinatus
Subscapularis
Supraspinatus
Teres Minor
Which nerve innervates the supraspinatus muscle?
Axillary nerve
Suprascapular nerve
Radial nerve
Subscapular nerve
What action is performed by the infraspinatus muscle?
Laterally rotates the arm
Medially rotates the arm
Abducts the arm
Extends the arm
Which nerve innervates the infraspinatus muscle?
Axillary nerve
Suprascapular nerve
Radial nerve
Subscapular nerve
What action is performed by the subscapularis muscle?
Laterally rotates the arm
Medially rotates the arm
Abducts the arm
Extends the arm
Which nerve innervates the subscapularis muscle?
Axillary nerves
Suprascapular nerve
Radial nerve
Subscapular nerves
Which nerve innervates the teres minor muscle?
Axillary nerve
Suprascapular nerve
Radial nerve
Subscapular nerve
Which rotator cuff muscles attach to the greater tubercle of the humerus?
Infraspinatus
Subscapularis
Supraspinatus
Teres Minor
Which rotator cuff muscles attach to the lesser tubercle of the humerus?
Infraspinatus
Subscapularis
Supraspinatus
Teres Minor
Which muscle is most commonly affected by rotator cuff tendonitis?
Supraspinatus
Biceps brachii
Triceps brachii
Coracobrachialis
Where is the upper arm located?
Between the shoulder joint and elbow joint
Between the wrist and elbow joint
Between the knee and ankle joint
Between the hip and knee joint
Which muscles are located in the anterior compartment of the upper arm?
What nerve innervates the muscles in the anterior compartment of the upper arm?
Brachial nerve
Ulnar nerve
Musculocutaneous nerve
Median nerve
What is the function of the biceps brachii?
Extension of the shoulder joint
Flexion and supination of the forearm
Abduction of the arm
Pronation and extension of the forearm
Where does the coracobrachialis muscle originate?
Supraglenoid tubercle of the scapula
Coracoid process of the scapula
Radial tuberosity
Deltoid tubercle
What is the arterial supply to the anterior compartment of the upper arm?
Radial artery
Ulnar artery
Brachial artery
Axillary artery
Which muscle lies deep to the biceps brachii and forms the floor of the cubital fossa?
Brachialis
Coracobrachialis
Triceps brachii
Deltoid
What is the function of the brachialis muscle?
Extension at the elbow
Flexion at the elbow
Rotation of the shoulder
Abduction of the arm
What is the result of a rupture of the long head of the biceps brachii muscle?
Swelling of the forearm
Popeye sign
Loss of hand movement
Shoulder dislocation
Which muscle is located in the posterior compartment of the upper arm?
Biceps brachii
Coracobrachialis
Triceps brachii
Deltoid
How many heads does the triceps brachii muscle have?
One
Two
Three
Four
What is the function of the triceps brachii?
Flexion of the arm at the elbow
Extension of the arm at the elbow
Rotation of the arm
Abduction of the arm
Which nerve is primarily responsible for the innervation of the triceps brachii?
Ulnar nerve
Median nerve
Radial nerve
Axillary nerve
