Scoliosis Definitions

Question 1

Apical Vertebra

Answer 1

Most rotated and laterally placed vertebra within a curve

Question 2

Double Major Curve

Answer 2

Two structural curves that are within 10 degrees of each other

Question 3

Menarche

Answer 3

Beginning of the menstrual cycle

usually around 12-13 years of age

Question 4

Major curve

Answer 4

Largest curve; usually the most vertebral rotation

Question 5

Minor Curve

Answer 5

Smaller curve; usually has the least degree of vertebral rotation
Evaluate to analyze if the curve is compensatory

Question 6

Peak height velocity

Answer 6

Growth rate of at least 9cm/year

calculated by standing height measurements of 6 month intervals for a minimum of 2 1/2 years

Question 7

Risser Sign

Answer 7

Indication of skeletal maturity; 5 grades

Question 8

Tanner Sign

Answer 8

Development of secondary sexual characteristics; 5 stages

Examples, growth of breast tissue in females and “voice change” in males

Question 9

Scoliosis

Answer 9

Lateral curvature of the spine greater than 10 degrees

Question 10

Non-structural curve

Answer 10

Rotary component will correct upon lateral flexion

Question 11

Structural Curve

Answer 11

Rigid rotary component; will not connect during lateral flexion

Question 12

Compensatory Curve

Answer 12

Curve that develops secondary to a primary curve to maintian body alignment

Question 13

Null point

Answer 13

Location where the vertebral inclination changes direction