#1
Which bone is commonly known as the collarbone?
Clavicle
ExplanationThe collarbone is commonly known as the clavicle.
#2
What is the main function of the subscapularis muscle?
Shoulder internal rotation
ExplanationThe main function of the subscapularis muscle is shoulder internal rotation.
#3
Which of the following muscles is part of the rotator cuff?
Supraspinatus
ExplanationThe supraspinatus muscle is part of the rotator cuff.
#4
Which of the following is not a rotator cuff muscle?
Teres major
ExplanationThe teres major is not a rotator cuff muscle.
#5
What is the main joint connecting the arm to the shoulder girdle?
Glenohumeral joint
ExplanationThe main joint connecting the arm to the shoulder girdle is the glenohumeral joint.
#6
Which muscle is responsible for abducting the arm at the shoulder joint?
Deltoid
ExplanationThe deltoid muscle is responsible for abducting the arm at the shoulder joint.
#7
What is the medical term for the shoulder blade?
Scapula
ExplanationThe medical term for the shoulder blade is scapula.
#8
What nerve innervates the deltoid muscle?
Axillary nerve
ExplanationThe axillary nerve innervates the deltoid muscle.
#9
Which of the following is a common cause of rotator cuff injuries?
Repetitive overhead arm movements
ExplanationRepetitive overhead arm movements are a common cause of rotator cuff injuries.
#10
Which ligament stabilizes the glenohumeral joint and helps prevent dislocation?
Glenohumeral ligament
ExplanationThe glenohumeral ligament stabilizes the glenohumeral joint and helps prevent dislocation.
#11
What is the term for the medical condition characterized by inflammation of the bursa located between the acromion and the rotator cuff tendons?
Bursitis
ExplanationThe medical condition characterized by inflammation of the bursa between the acromion and rotator cuff tendons is called bursitis.
#12
Which of the following movements is primarily associated with the supraspinatus muscle?
Shoulder abduction
ExplanationThe supraspinatus muscle is primarily associated with shoulder abduction.
#13
Which structure helps form the socket of the glenohumeral joint, providing stability to the joint?
Labrum
ExplanationThe labrum helps form the socket of the glenohumeral joint, providing stability to the joint.
#14
The acromioclavicular (AC) joint is formed by the articulation of which two bones?
Clavicle and scapula
ExplanationThe AC joint is formed by the articulation of the clavicle and scapula.