1. Muscle Naming

2. 1. Direction of muscle fibers
Rectus: muscles are parallel to the body
Transverse: muscles are perpendicular to the body
Oblique: muscles are at an angle to the body

3. 2. size of muscle Maximus: large muscle Gluteus Maximus
Medius: moderate size
Gluteus Medius
Minimus: small muscle
Gluteus Minimus
Longus: long muscle
Extensor Digitorum Longus
Brevis: short muscle
Extensor Digitorum Brevis

4. Zygomaticus major: zygomatic bone Frontalis: frontal bone
3. Location of muscle
Zygomaticus major: zygomatic bone
Frontalis: frontal bone
Orbicularis “Oculi”: eye
Temporalis: temporal bone

5. 4.)Number of Origins: (fixed end of the muscle)
Biceps: 2 origins
Triceps: 3 origins
Quadriceps: 4 origins

6. Sternocleidomastoid 5. Origin & Insertion
The muscles is has the name of the place it begins (origin) and the place it inserts (insertion) in its name.
Sternocleidomastoid
Sterno= sternum
Cleido= clavicle
Mastoid= mastoid process
of temporal bone

7. 6. SHape Deltoid: delta shape Trapezius: trapezoid shape
Orbicularis oculi: circular
Serratus Anterior: “saw toothed”
Teres major: long and round

8. 7. Action of the muscle
The movement that occurs when the muscle contracts.
Adductor Longus
Abductor Digiti Minimi
Extensor Digitorum
Flexor Digitorum