223 -Lab Final University of South
Carolina Questions and All Actual
Answers.
3 structural classifications of joints - Answer fibrous, cartilaginous, synovial
synovial joints - Answer created where two bones articulate to permit a variety of motions
cartilaginous joints - Answer allow only slight movement and consist of bones connected
entirely by cartilage
fibrous joints - Answer consists of inflexible layers of dense connective tissue, holds the
bones tightly together
Symphysis structure and function - Answer symphysis is an amphiarthrosis, a slightly
movable joint. type of cartilaginous joint
tooth is what kind of joint - Answer peg joint
synovial joints types - Answer Hinge Joints
Gliding Joints
Pivot Joints
Ball and Socket Joints
7 criteria for naming muscles - Answer 1. Muscle location
2. Muscle shape
3. Muscle size
4. Direction of muscle fibers
5. Number of origins
6. Location of the attachments
7. Muscle action
Epicranius - Answer The broad muscle that covers the top of the skull consists of the
occipitalis and frontalis.
orbicularis oculi - Answer Closes eyelids; used in blinking, winking, and squinting
, orbicularis oris - Answer closes and protrudes lips
Buccinator - Answer compresses cheek
Masseter - Answer closes jaw
Temporalis - Answer elevates and retracts mandible
Sternocleidomastoid - Answer Contraction of one side: laterally flexes neck, rotates head to
opposite side; Contraction of both sides together: flexes neck
pectoralis major - Answer Adducts and flexes humerus
serratus anterior - Answer pulls scapula anteriorly and downward
Deltoid - Answer shoulder
rectus abdominis - Answer flexes and rotates vertebral column
Trapezius - Answer Elevates, depresses, retracts, and rotates the scapula; rotates the arm
latissimus dorsi - Answer Extends, adducts, and medially rotates the arm; draws the shoulder
downward and backward
Infraspinatus - Answer lateral rotation at shoulder
teres major - Answer extends, adducts, and medially rotates arm
teres minor - Answer rotates arm laterally
Supraspinatus - Answer Abducts arm; stabilizes the head of the humerus in glenoid cavity;
one of the "rotator cuff" muscles
levator scapulae - Answer elevates scapula
Carolina Questions and All Actual
Answers.
3 structural classifications of joints - Answer fibrous, cartilaginous, synovial
synovial joints - Answer created where two bones articulate to permit a variety of motions
cartilaginous joints - Answer allow only slight movement and consist of bones connected
entirely by cartilage
fibrous joints - Answer consists of inflexible layers of dense connective tissue, holds the
bones tightly together
Symphysis structure and function - Answer symphysis is an amphiarthrosis, a slightly
movable joint. type of cartilaginous joint
tooth is what kind of joint - Answer peg joint
synovial joints types - Answer Hinge Joints
Gliding Joints
Pivot Joints
Ball and Socket Joints
7 criteria for naming muscles - Answer 1. Muscle location
2. Muscle shape
3. Muscle size
4. Direction of muscle fibers
5. Number of origins
6. Location of the attachments
7. Muscle action
Epicranius - Answer The broad muscle that covers the top of the skull consists of the
occipitalis and frontalis.
orbicularis oculi - Answer Closes eyelids; used in blinking, winking, and squinting
, orbicularis oris - Answer closes and protrudes lips
Buccinator - Answer compresses cheek
Masseter - Answer closes jaw
Temporalis - Answer elevates and retracts mandible
Sternocleidomastoid - Answer Contraction of one side: laterally flexes neck, rotates head to
opposite side; Contraction of both sides together: flexes neck
pectoralis major - Answer Adducts and flexes humerus
serratus anterior - Answer pulls scapula anteriorly and downward
Deltoid - Answer shoulder
rectus abdominis - Answer flexes and rotates vertebral column
Trapezius - Answer Elevates, depresses, retracts, and rotates the scapula; rotates the arm
latissimus dorsi - Answer Extends, adducts, and medially rotates the arm; draws the shoulder
downward and backward
Infraspinatus - Answer lateral rotation at shoulder
teres major - Answer extends, adducts, and medially rotates arm
teres minor - Answer rotates arm laterally
Supraspinatus - Answer Abducts arm; stabilizes the head of the humerus in glenoid cavity;
one of the "rotator cuff" muscles
levator scapulae - Answer elevates scapula
