Exam 1-Muscles Day 1

Question 1

Trapezius (Origin, insertion, action)
Spino trapezius
Acromintrapezius
Calvotrapezius

Answer 1

Orgin- occipital bone, cervical and thoracic vertebrae
Insertion- Scapula, clavicle
Action- adduct, elevate and raises scaupla
raises clavicle

Question 2

Deltoid (OIA)
spinodeltiod
acrominodeltiod
clavodeltiod

Answer 2

Origin- clavicle, scapula
Insertion- Humerus
Action- Abduct arm

Question 3

Levator scapulae/ ventrails ( OIA)

Answer 3

Origin- cervical vertebrae
Insertion- scapula
Action- raise scapula

Question 4

Lattisumus dorsi ( OIA)

Answer 4

origin- sacrum,ililum,lumbar and thoracic vertebrae, ribs
Insertion- humerus
Action- extends, adducts, rotates arm medially, pulls shoulder down and back

Question 5

Rhomboidesus Major (OIA)

Answer 5

Origin- Thoracic vertebrae
Insertion- scapula
Action- elevates, adducts scapula and rotates it downward, stabilizes scapula

Question 6

Rhomboidesus minor ( OIA)

Answer 6

Origin- cervical and thoracic vertebrae
Insertion- scapula
Action- elevates, adducts scapula and rotates it downward, stabilizes scapula

Question 7

Infraspinus ( OIA)

Answer 7

Origin- Scapula
Insertion- Humerus
Action- laterally rotates and adducts arm

Question 8

Supraspinatus (OIA)

Answer 8

Orgin- scapula
Insertion- Humerus
Action- Abducts arm

Question 9

Terres major (OIA)

Answer 9

Origin- Scapula
Insertion- humerus
Action- extends, abduct, rotate humerus