Back Muscles

• trapezius

• latissimus dorsi

• levator scapulae

• rhomboids

• deltoid

• latissimus dorsi

• supraspinatus

• infraspinatus

• teres major

• teres minor

• latissimus dorsi

• supraspinatus

• infraspinatus

• teres major

• teres minor

• latissimus dorsi

• supraspinatus

• infraspinatus

• teres major

• teres minor

• latissimus dorsi

• supraspinatus

• infraspinatus

• teres major

• teres minor

• trapezius

• latissimus dorsi

• levator scapulae

• rhomboids

• deltoid

• trapezius

• latissimus dorsi

• levator scapulae

• rhomboids

• deltoid

• latissimus dorsi

• supraspinatus

• infraspinatus

• teres major

• teres minor

• latissimus dorsi

• supraspinatus

• infraspinatus

• teres major

• teres minor

Which of the following muscles is primarily responsible for the extension of the spine?

• Latissimus dorsi

• Trapezius

• Erector spinae

• Rhomboid