Review Flashcards
Skin impedance __________ as the inter-electrode distance increases
Increases
(because there’s more skin between them duh)
Skin impedance ________ as the frequency increases
Decreases
What are the general settings of Conventional Tens?
Around 100 duration (75-150) and 100 frequency (80-125)
What are the general settings of acupuncture TENS?
LOW frequency (under 20)
HIGH Pulse Duration: 100-600
SEE A MUSCLE CONTRACTION
What are the general settings of noxious TENs
LOW frequency: 1-5
High pulse duration: 100-1000
What are the general settings of brief intense TENS?
high frequency: 100
High Duration: 100-600
Set on B instead of N
You want to see muscle fasciculations
What pain theory does conventional TENs use?
Gate Control
What theory does Acupuncture/low frequency TENs use?
Descending pain control theory
What theory does noxious level TENs use?
Endogenous opiate pain control theory
What theory does brief intense TENs use?
Peripheral and central analgeisa
What factor makes tendons heal slower than muscles?
Difference in blood supply
Tendon proliferation stage occurs when?
Tendon Remodeling begins and can last how long?
48 to 72 hours after injury
6-8 weeks and may continue for years
What is the first stage of a muscle injury, how long does it last?
Short term immobilization
2-5 days
What happens between week 2-3 of a muscle injury?
week 4-6?
2-3 Balance between tissue extensibility and protection from reinjury
4-6 Gentle AROM through full range NO RESISTANCE
After 6+ weeks of a muscle injury, how do you train it?
Warm up and endurance activities
How long are most tendon rehab programs?
6+ months sometimes 1-2 years
Tendons: Active tension across repair site within first ___________ results in poor outcomes
What should you do in the first 3 weeks of a tendon injury?
3
PROM
What are the 4 phases of fracture repair?
Hematoma formation
Fibrocartilage callus formation
Bony Callus formation
bone remodeling
How long does fracture healing time take in:
Children
Adolescencts
Adults
Children 4-6 weeks
Adolescents 6-8 weeks
Adults 10-18 weeks
What areas generally heal faster from a fracture
UE > LE
Distal > Proximal
What is tissue capacitance?
Put the following in increasing order of capacitance:
A-Beta, C fiber, Muscle fiber, muscle tissue, A-Delta
The ability to store electricity?
Lowest to highest: A-Beta, A-Delta, C fiber, Muslce Fiber, Muscle
What tissue is the best conductor of electricity?
What tissue is the worst?
Best conductor: Blood
Good conductor: Muscle
Poor Conductors: Fat, Tendon
Bone: Poorest conductor
Skin: Insulator (Opposite of conduction)
During the acute phase, what E-stim will you use?
Conventional
When do you use non-thermal ultrasound?
When do you use mild thermal ultrasound?
When do you use moderate thermal
When do you use vigorous
During the acute phase
Sub acute
chronic
contracture