Exam 4 Final Flashcards
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