Muscle: frontalis
Origin: cranium
Insertion: skin of eyebrow
Action: raises eyebrows
Muscle: orbicularis oculi
Origin: frontal bone and maxilla
Insertion: tissue around eye
Action: blinking (close eyes)
Muscle: orbicularis oris
Origin: maxillae and mandible
Insertion: tissue around lips
Action: lip puckering (kissing?)
Muscle: temporalis
Origin: temporal bone
Insertion: mandible
Action: close jaw
Muscle: masseter
Origin: temporal bone
Insertion: mandible
Action: close mouth
Muscle: sternocleidomastoid
Origin: sternum/clavicle
Insertion: mastoid process
Action: flex, rotate head
Muscle: pectoralis major
Origin: sternum/clavicle
Insertion: humerus bone
Action: adduct humerus
Muscle: rectus abdomius
Origin: pubis (anterior)
Insertion: sternum
Action: flex at waist (sit ups)
Muscle: external obliques
Origin: lower ribs
Insertion: illiac crest
Action: flex and rotate
Muscle: internal obliques
Origin: coxal bone
Insertion: ribs
Action: flex and rotate
Muscle: transverse abdominus
Origin: costal cartilage
Insertion: pubis
Action: flex and rotate
Muscle: deltoid
Origin: scapula/clavicle (superior)
Insertion: humerus
Action: abduct humerus
Muscle: latissimus dorsi
Origin: lower spine
Insertion: humerus
Action: extend/adduct humerus
Muscle: erector spinae
Origin: hip/vertebrae
Insertion: ribs/vertebrae
Action: extend back
Muscle: biceps brachii
Origin: scapula
Insertion: radius
Action: flex forearm (not humerus)
Muscle: brachioradialis
Origin: humerus
Insertion: ulna
Action: flex forearm (synergist to biceps)
Muscle: triceps brachii
Origin: scapula/humerus
Insertion: ulna
Action: extend forearm
Origin: scapula/humerus
Insertion: ulna
Action: extend forearm
Muscle: flexor digitorum
Origin: radius/ulna
Insertion: medial phalanges
Action: flex phalanges (fingers)
Muscle: extensor digitorum
Origin: humerus
Insertion: middle phalanges
Action: extend phalanges
Muscle: gluteus maximus
Origin: illium and sacrum
Insertion: femur
Action: rotate/abduct femur or thigh
Muscle: tensor fasciae latae
Origin: coxal bone
Insertion: femur
Action: abduct thigh/femur
Muscle: sartorius
Origin: illium of coxal bone
Insertion: tibia
Action: leg crosser (flex/rotate laterally)