Origin/Insertion Quiz Flashcards
Origin: Frontal Bone + Maxilla
Insertion: Tissue around eye
Action: Blink + close eye
Orbicularis Oculi
Origin: Mandible + Maxilla
Insertion: Skin around mouth
Action: Close/Protrude lips
Orbicularis Oris
Origin: Mandible + Maxilla
Insertion: Orbicularis Oris
Action: Compress cheeks to hold food
Buccinaor
Origin: Zygomatic bone
Insertion: Corner of lips
Action: Smiling
Zygomaticus
Origin: Temporal bone
Insertion: Mandible
Action: Close jaw
Masseter
Origin: Temporal bone
Insertion: Mandible
Action: Close jaw
Temporalis
Origin: Sternum + Clavicle
Insertion: Mastoid process
Action: Flex neck + turn head
Sternocleidomastoid
Origin: Occipital bone, Cervical/Thoracic vertebrae
Insertion: Clavicle + scapular spine
Action: Raise/rotate/retract scapula
Trapezius
Origin: Clavicle + sternum
Insertion: Humerus
Action: Adducts + flexes humerus
Pectoralis major
Origin: Clavicle + scapular spine
Insertion: Deltoid tuberosity
Action: Abduct humerus
Deltoid
Origin: Lumbar spine + Iliac crest
Insertion: Humerus
Action: Extend + adduct humerus
Latissimus Dorsi
Origin: Lower 8 ribs
Insertion: Iliac Crest
Action: Rotate/flex vertebrae
External Oblique
Origin: Pubis bone
Insertion: Sternum, 5-7th rib
Action: Flex vertebral column
Rectus abdominus
Origin: Scapula
Insertion: Radius
Action: Flex elbow + supinate forearm
Biceps Brachii
Origin: Distal Humerus
Insertion: Ulna
Action: Flex elbow
Brachialis