lab practical 3 muscles

Question 1

Deltoid

Answer 1

large superficial shoulder muscle

actions: Abduct, flex and extend shoulder; medially and laterally rotate arm

Question 2

Supraspinatus

Answer 2

deep to the Deltoid, located just above the collarbone

Abduct shoulder

Question 3

Infraspinatus

Answer 3

just deep to the pecs, and superficial to the Subscapularis

Extend and adduct shoulder

Question 4

Teres minor

Answer 4

deep to the pecs and below the Infraspinatus

Extend and adduct shoulder

Question 5

Teres major

Answer 5

deep to the pecs and below the teres minor

Extend and adduct shoulder

Question 6

Subscapularis