Chapter 9- Mechanism and Characteristics of Sports Trauma

Question 1

a fracture in which ligament tears off of part of the bone

Answer 1

avulsion fracture

Question 2

the glenohumeral joint

Answer 2

ball and socket joint

Question 3

this is a compression injury

Answer 3

contusion

Question 4

this means tissue discoloration

Answer 4

ecchymosis

Question 5

this is a resistance to a load

Answer 5

stress

Question 6

this is deformation of a tissue

Answer 6

strain

Question 7

a group of 3 or more bone fragments

Answer 7

comminuted fracture

Question 8

this joins bone to bone

Answer 8

ligament

Question 9

occurs after repeated joint sprains

Answer 9

capsulitis

Question 10

inflammation of a muscles tissue

Answer 10

myositis

Question 11

cause of osteochondrosis

Answer 11

aseptic necrosis

Question 12

the elbow joint

Answer 12

hinge joint

Question 13

muscle soreness that happens after 2-3 days

Answer 13

DOMS

Question 14

a stress fracture is a

Answer 14

spontaneous fracture

Question 15

this joins muscle to bone

Answer 15

tendon

Question 16

what happens when an intact ligament is traumatically stressed?

Answer 16

avulsion fracture

Question 17

what is a tendinitis that leads to mineral deposits

Answer 17

calcific tendonitis

Question 18

in throwing, muscles exert a tremendous amount of force on the distal and proximal humeral epiphysis during the acceleration face, damaging the

Answer 18

radial head

Question 19

approximately 85% of all ankle injuries result from

Answer 19

inversion

Question 20

a contusion can penetrate the outer layer of the bone causing

Answer 20

periostitis

Question 21

the technical name for a total disunion between two articulatory processes is

Answer 21

luxation

Question 22

what are some common sites for stress fractures

Answer 22

tibia, fibula, metatarsal shaft, femur, ribs, humerus

Question 23

what features do all synovial articulations have in common?

Answer 23

have a capsule and ligaments
capsule is lined with a synovial membrane
opposing bone surfaces contain hyaline cartilage
joint space containing synovial fluid

Question 24

list the four progressively severe stress fractures

Answer 24

focal microfractures
periostel and end-steal response
linear fractures
displaced fractures

Question 25

muscles try to stabilize joints in what ways?

Answer 25

cross joint muscles assist in proper alignment

some attach to articulacy capsule and tighten it when stretched

Question 26

Which is more susceptible to n injury, muscle of its tendon? why?

Answer 26

a muscle because tears occur there and is the weakest between it and the tendon, and the weakest structure is damaged first

Question 27

what factors would you use in evaluating dislocations

Answer 27

loss of limb function
deformity
swelling and tenderness

Question 28

how to determine stress fracture of anterior leg pain

Answer 28

look for swelling, focal tenderness, and pain