lab pratical 2

Question 1

Trapezius

Answer 1

origin- occipital bone, thoracic vertebrae
insertion- Clavicle,scapula
Action- extends head

Question 2

Deltoid

Answer 2

Origin - Clavicle, scapula
Insertion - Deltoid tuberosity of the humerus
Action - ABducts arm

Question 3

Pectoralis major

Answer 3

Origin - Clavicle, sternum, ribs 1-7
Insertion - Greater tubercule of humerus
Action - ADduction and medially rotates arm