#1
Which muscle is responsible for abduction of the shoulder joint?
Deltoid
Pectoralis major
Trapezius
Latissimus dorsi
#2
Which ligament stabilizes the acromioclavicular joint in the shoulder?
Coracoclavicular ligament
Glenohumeral ligament
Acromioclavicular ligament
Transverse humeral ligament
#3
Which of the following muscles is NOT a part of the rotator cuff?
Infraspinatus
Teres minor
Teres major
Subscapularis
#4
What is the primary function of the subscapularis muscle?
Shoulder abduction
Shoulder adduction
Shoulder internal rotation
Shoulder external rotation
#5
Which muscle is responsible for shoulder external rotation?
Supraspinatus
Infraspinatus
Subscapularis
Teres minor
#6
What is the primary function of the supraspinatus muscle?
Internal rotation of the shoulder
Abduction of the shoulder
Extension of the elbow
Flexion of the wrist
#7
Which nerve innervates the deltoid muscle?
Axillary nerve
Radial nerve
Ulnar nerve
Median nerve
#8
What is the main action of the serratus anterior muscle?
Shoulder adduction
Scapular protraction
Shoulder flexion
Scapular retraction
#9
Which muscle is responsible for medial rotation of the shoulder joint?
Teres major
Infraspinatus
Subscapularis
Supraspinatus
#10
Which structure provides stability to the shoulder joint by deepening the glenoid cavity?
Glenoid labrum
Coracohumeral ligament
Superior transverse scapular ligament
Coracoacromial ligament
#11
Which muscle is commonly known as the 'rotator cuff' muscle?
Subscapularis
Infraspinatus
Teres major
Coracobrachialis
#12
What is the function of the teres major muscle?
Shoulder abduction
Shoulder adduction
Shoulder flexion
Shoulder extension
#13
What is the primary nerve supply to the deltoid muscle?
Musculocutaneous nerve
Axillary nerve
Radial nerve
Ulnar nerve
#14
Which muscle is responsible for the initiation of shoulder abduction?
Supraspinatus
Infraspinatus
Subscapularis
Teres major
#15
What is the primary action of the coracobrachialis muscle?
Shoulder abduction
Shoulder adduction
Shoulder flexion
Shoulder extension