What is the musculoskeletal system compromised of? Correct Answer-
system comprised of bones, joints, and muscles
what is function of musculoskeletal system? Correct Answer--Support
and to stand erect
-Movement
-Protection for inner vital organs
-Production of RBCs in the bone marrow
-Reservoir for storage of essential minerals (calcium/phosphorous)
what are the types of joints? Correct Answer-fibrous(very little
movement), cartilaginous(some movement), synovial(free movement)
ligaments Correct Answer-connects bones to strengthen joints
Bursa Correct Answer-fluid-filled sac that cushions a joint
how much do muscle account for our body weight? Correct Answer-40-
50%
types of muscles Correct Answer-skeletal, smooth, cardiac
tendons Correct Answer-attach muscle to bone
,muscle movements Correct Answer--Flexion
-Extension
-Abduction
-Adduction
-Pronation
-Supination
-Circumduction
-Inversion
-Eversion
-Rotation
-Protraction
-Retraction
-Elevation
-Depression
Temporomandibular joint Correct Answer-The joint formed where the
mandible and cranium meet, just in front of the ear.
-Assists with speaking and chewing
3 motions of TMJ Correct Answer-1. hinge action to open and close the
jaws
2. gliding action for protrusion and retraction
3. gliding for side-to-side movement of the lower jaw
, Spine vertebrae Correct Answer-7 cervical
12 thoracic
5 lumbar
5 sacral
3/4 coccygeal
What are vertebrae separated by? Correct Answer-intervertebral discs.
each disc contains a nucleus pulposus
what type of joint is in the shoulder? Correct Answer-Ball and socket
joint
what does the shoulder contain? Correct Answer-Contains the juncture
of the humerus, scapula, and clavicle
bony prominences of the shoulder Correct Answer--Acromiom process
-Greater tubercle
-Coracoid process
radiocarpal joint (wrist) Correct Answer-articulation of the radius and 8
carpal bones
-Allows flexion/extension and side-to-side movements