Question | Answer |
Naming Skeletal Muscles: Location | -Some muscle's names indicate the bone or body region with which the muscle is associated
-TEMPORALIS MUSCLE- overlies the temporal bone
-INTERCOSTAL MUSCLES run between the ribs |
Naming Skeletal Muscles: Relative Size | Compare to each other:
-Vastus- huge
-Maximus- large
-Longus- long
-Minimus- small |
Naming of Skeletal Muscles: Number of origins | -Attachment of fixed (immovable) part of muscle
-Biceps- two heads (origins)
-Triceps- three heads
-Quadriceps- four heads |
Naming Skeletal Muscles: Shape | -Different geometric shapes
-Deltoid
-Rhomboid
-Latissimus
-Teres
-Trapezius |
Naming Skeletal Muscles: Direction of Fibers | -Tell how muscle fibers run
-rectus- fibers run straight/ parallel to
the the midline of the body
-Transversus- Transverse/across
-Oblique- fibers run at diagnol angles to
an imaginary defined axis
-Orvicularis- circular |
Naming Skeletal Muscles: Location of attachments | -Named according to point of origin and
insertion
-Origin always named first
-Stemocleidomastoid
-Origin on the sternum and clavicle
-Insertion on the mastoid process
-Brachioradialis
-Origin on the brachium, arm
-Insertion o |
Naming Skeletal Muscles: Action | -Action words: flexor, extensor, or adductor apppear in muscle's name
-Abductor- to abduct structure
-Adductor- to adduct structure
-Flexor- to flex structure
-Extensor- to extend structure
-Levator- to lift or elevate structure
-Masseter- to |
Extrinsic Tongue Muscles | 1. Genioglossus
2. Hyoglossus
3. Styloglossus |
Deep Back Muscles | 1. Quadratus Lamborum
2. Semispinalis
3. Erector Spinae
4. Longismus
5. Spinalis |
Extrinsinc Tongue Muscles are innervated by cranial Nerve | cranial nerve XII Hypoglossal |