ANTICIPATORY SET TRUEFALSE 1 2 3 4 5

ANTICIPATORY SET TRUE/FALSE 1. 2. 3. 4. 5. 6. 7. There are 3 types of muscle. There are 600 skeletal muscles in the human body. You use more than 40 muscles to frown. You use about 20 muscle to smile. The smallest muscle is in your ear. The largest muscle is in your butt. The longest muscle is in your thigh.

MATCHING 8. Closes eye ____ 9. Raises corner of mouth ____ 10. Closes lips ____ A. B. C. Orbicularis oris Orbicularis oculi zygomaticus

THE MUSCLES OF THE BODY 3 types of muscle (smooth, cardiac, skeletal) There are more than 600 skeletal muscles in the human body • 60 face muscles

Muscles of Facial Expression MUSCLE LOCATION ACTION Orbicularis oculi Around eye Closes eye Orbicularis oris Around mouth Close/protrude mouth Buccinator Cheek Compress cheek inward Zygomaticus Cheek bone Raises corner of mouth Platysma Neck Draws angle of mouth downward Frontalis Forehead Raises eyebrows Occipitalis Lower back of head Raises eyebrows Nasalis nose Wrinkles nose

FRONTALIS OCCIPITALIS ORBICULARIS OCULI NASALIS ZYGOMATICUS ORBICULARIS ORIS BUCCINATOR PLATYSMA

MUSCLE S OF MASTICATION AND MOVE THE HEAD MUSCLE LOCATION ACTION Masseter Back of jaw Elevate mandible Temporalis Side of head Elevate mandible Sternocleidomastoid Side of neck Pulls head to side and down TEMPORALIS MASSETER

MUSCLES THAT MOVE THE PECTORAL GIRDLE Muscle Location Action Trapezius T of upper back Raises arm Serratus Anterior Sides of ribs Pulls scapula anteriorly and downward Pectoralis Minor Upper chest -scapula-ribs Pulls scapula anteriorly and downward

MUSCLES THAT MOVE THE ARM, FOREARM, AND HAND Muscle Location Action Pectoralis Major Chest Adducts arm & pulls arm across chest Latissimus dorsi Back Extend & adducts arm Deltoid Shoulder Abduct arm Biceps Brachii Front of upper arm Flex forearm Brachialis Below biceps Flex forearm Triceps Brachii Back of upper arm Extend forearm Flexor/Extensor Carpi’s forearm Move wrist

MUSCLES OF THE ABDOMINAL WALL MUSCLE LOCATION ACTION External Oblique Love handles Compress abdomen Internal Oblique Inside external oblique's Compress abdomen Transversus abdominis Side of rectus Compress abdomen Rectus abdominis 6 pack (10) Compress abdomen & flex vertebral column Intercostals b/w ribs Breathing Linea alba Band of CT down middle Separates abdomen of abdomen Diaphragm Separates thoracic & abdominal region breathing

MUSCLES THAT MOVE THIGH MUSCLE LOCATION ACTION Gluteus maximus Outer layer butt Extend thigh Gluteus medius Middle layer butt Adduct & rotate thigh medially Gluteus minimus Inside layer butt Adduct & rotate thigh medially Gracilis Inner thigh Adduct, flex rotate thigh

MUSCLES THAT MOVE THE LEG AND FOOT MUSCLE LOCATION ACTION Sartorius Across front of thigh Flex leg & thigh Biceps femoris Back of thigh Flex leg, extend thigh Rectus femoris Front of thigh Extend leg at knee Vastus lateralis Outside (lateral) thigh Extend leg at knee Vastus medialis Inside (lateral) thigh Extend leg at knee Tibialis anterior Shin (anterior to tibia) Dorsiflexion & inversion Extensor digitorum longus Lateral to tibialis Dorsiflexion and eversion Gastrocnemius Calf Plantarflexion Soleus Lateral/lower leg Plantarflexion Calcaneal Tendon (Achilles) Ankle Attaches calcaneal to gastrocnemius