Bone Stress Injuries

Question 1

Prevalent in

_______ or ________ athletes

Biological ______ 3x risk

Answer 1

recreational or competitive

females

Question 2

Characteristics of stress fxs in athletes < 20 years old

peak @ ______ years old

_______ most common sport

_______ most common bone

Answer 2

16

basketball

tibia

Question 3

Most common in _______

______- progression in MTSS

_______ distal region most common area

_____ of the ______ -most common metatarsal and prone to AVN

Answer 3

runners

Tibia

Fibula

Base; 5th

Question 4

3 zones of injury

1) Zone 1- 90% of ___xs
MOSTLY with _____

2) Zone 2- Most susceptible to ______

3) Zone 3- typically due to _____ stress with possible lack of _______

Answer 4

fx; sprains

AVN

repetitive; pronation

Question 5

Risk Factors/ Etiology

______ forces worse than more frequent

Repetitive _____/_______

Impaired _____ control

Longer _____ length leads to greater _____ _______

LE ________
Poor _____ _______

_______ and ________ dysfunction

Answer 5

High

jumping/landing

LQ

stride; heel strike

weakness

load management

diet; hormonal

Question 6

Pathogenesis

Increased _____ and ______ without recovery

__________ activity exceeding ________ activity

Answer 6

Load
frequency

osteoclastic
osteoblastic

Question 7

Symptoms
generally worsening P! with _______ and _______ and may be constant

Answer 7

ADLs
exercise

Question 8

Signs
Bone P! reproduced with _____ test
____ reps for tibial stress fx

Answer 8

hop
10

Question 9

Imaging- radiograph- fx may not appear for ___-____ wks

_______: gold standard for earlier detection b/c of ______ and bone ______ changes

Answer 9

2; 6
MRI
periosteal
marrow

Question 10

Diet and hormonal changes need to be addressed due to possible ______ in bone mass density
- meeting ______ expenditure
- Vitamin ___
- Regular ______ cycles

Answer 10

decrease

energy
D
menstrual

Question 11

They need to have well managed _______, ______, and _______

Answer 11

sleep
stress
BMI

Question 12

PT Rx
BMD _____ just before growth spurts and takes ______ years to increase afterwards

Answer 12

decreases

4

Question 13

Avg growth spurt timing

BF= ____ years
BM = ____ years

Answer 13

11.9
13.6

Question 14

Avg age of menarche is _____

period of _______ weakness around growth ______ who also are dealing with hormonal and ______ changes in addition to increase in activity

Answer 14

12 years

skeletal (2x)

Question 15

Rx

graded ______ to ambulate without pain

graded and progressive RTA while addressing _____ ______ and _______

Answer 15

unloading

risk factors; etiologies

Question 16

BMD lowest at ____ months post fx in both injured /uninjured

Answer 16

3

Question 17

BMD returned to baseline between ____ to _____ months

Answer 17

3; 6

Question 18

All were at baseline BMD by _____ months

Answer 18

6