Pathology of Sports Injuries

Question 1

Define Trauma

Answer 1

Physical injury or wound that is produced by an external or internal force

Question 2

Define Load

Answer 2

External force or forces acting on internal tissue

Question 3

Define Stiffness

Answer 3

Ability of a tissue to resist a load

Question 4

Define Stress

Answer 4

Internal resistance to an external load

Question 5

Define Strain

Answer 5

Extent of deformation of tissue under loading

Question 6

Define Elasticity

Answer 6

Property that allows a tissue to return to normal following deformation

Question 7

Define Plastic

Answer 7

Deformation of tissues that exists ater the load is removed

Question 8

Define Creep

Answer 8

Deformation of tissues that occurs with application of a constant load over time

Question 9

Define Mechanical Failure

Answer 9

Excceeding the ability to withstand stress and strain causing tissue break down

Question 10

Define Yeild Point

Answer 10

Elastic limit of tissue, point of no return

Question 11

Define Compression

Answer 11

External loads applied toward one another

Question 12

Define Tension

Answer 12

Force that pulls or stretches tissue

Question 13

Define Shearing

Answer 13

Loads are applied to opposing surfaces forcing those surfaces to move in parallel directions relative to one another

Question 14

Define Torsion

Answer 14

Twisting

Question 15

Ability of Muscle Fibersq

Answer 15

Contract
Irritability
conductivity
elasticity

Question 16

Types of muscle in the body

Answer 16

SMooth
cardiac
striated

Question 17

Grade 1 Strain

Answer 17

Some muscle fibers have been stretched or actually torn
Tenderness.
Movement is painful but full range of motion is usually possible

Question 18

Grade 2 Strain

Answer 18

Number of fibers have been torn
Depression or divot can be felt
Swelling discolorisation

Question 19

Grade 3 Strain

Answer 19

Complete Rupture

Question 20

Define Clonic Spasm

Answer 20

Involuntary muscle contraction characterized by alternating contraction and relaxation in rapid succession

Question 21

Define Tonic Spasm

Answer 21

Characterized by constant contraction that lasts over a period of time

Question 22

Define Tenosynovitis

Answer 22

Inflammation of a tendon and its synovial sheath

Question 23

Define Myositis Ossificans

Answer 23

Calcum deposits that result from repeated trauma