Exam 4 Final Flashcards
(39 cards)
stability
Stability is the ability to maintain control of joint movement or positioning
mobility
the ability to move well with coordination and a lack of restriction
functions of MS
(1) for support- to stand erect
(2) for movement
(3) to encase and protect the inner vital organs (e.g., brain, spinal cord, heart)
(4) to produce the red blood cells, white blood cells, and platelets in the bone marrow (hematopoiesis)
(5) as a reservoir for storage of essential minerals such as calcium and phosphorus in the bones.
(6) resorb and reform itself- dissolve and forms new bones
Physical performance requires _____, _____, and _____ that function smoothly and effortlessly.
bones, muscles, joints.
Injuries are _____, and all have potential for producing _____ _____.
common
permanent disability
ligaments
connect bones and stabilize joints
tendons
attach bone to muscles (i.e. achilles tendon)
bones are cushioned by _____
cartilage
nonsynovial joints
partially moveable- vertebra, skull sutures, mandible
synovial joints
freely moveable- bones are separated but enclosed in joint cavity filled with synovial fluid (i.e. knees, hips, shoulders, elbow).
bursa
pouches of synovial fluid; cushion movement of tendons and muscles over bone (just under skin)
long bones
grow in length and width; remodeling
lengthening occurs at the _____ until around age ___.
epiphyses (growth plates)
20
Any trauma or infection at the _____ puts the growing child at risk for _____ _____.
epiphyses
bone deformity
flexion
Bending a limb at a joint
extension
Straightening a limb at a joint
abduction
Moving a limb away from the midline of the body
adduction
Moving a limb toward the midline of the body
pronation
Turning the forearm so the palm is down
supination
Turning the forearm so the palm is up
Circumduction
Moving the arm in a circle around the shoulder
Inversion
Moving the sole of the foot inward at the ankle
Eversion
Moving the sole of the foot outward at the ankle
Rotation
Moving the head around a central axis