Therapeutic interventions Flashcards
What is the appropriate intensity for novice to intermediate exercisers to improve strength as described by FITT-VP?
60-70%
What is the appropriate intensity for Experienced exercisers to improve strength as described by FITT-VP?
Gradually increases to > 80%
1 RM
What is the appropriate intensity for older individuals beginning exercise to improve strength as described by FITT-VP?
40-50%
1 RM
What is the appropriate intensity for sedentary individuals beginning a resistance exercise program as described by FITT-VP?
40-50%
1 RM
According to FITT-VP, what intensity is best for improving endurance?
< 50%
1 RM
According to FITT-VP, what intensity is best for older adults who want to improve power?
20-50%
1 RM
How many reps are recommended for most adults when improving strength and power?
8-12
How many reps are recommended for improving strength in those who are middle-aged and older starting a resistance program?
10-15
How many reps are recommended for improving endurance?
15-25
What are the effects of Valsalva maneuver on intrathoracic pressure, HR, return of blood to the heart, venous pressure, and cardiac workload?
- Increases intrathoracic pressure
- Slows HR
- Decreases return of blood to the heart
- increases venous pressure
- increases cardiac workload
When does the most rapid recovery occur after exercise?
Within the first minute
When can DOMS begin?
12-24 hours after vigorous exercise
Peaks at 24-48 hrs after exercise
How long can muscle tenderness and stiffness caused by DOMS last?
5-7 days
Does OKC or CKC exercises prepare a patient for functional WB activities?
CKC
What is ventilation?
Volume of air breathed each minute.
How do you calculate minute ventilation?
RR x Tidal volume
(true/false) Exercise can reverse any damage to pulmonary tissue
False
At altitudes of >6,000 ft, there can be a (increase/decrease) in performance with aerobic activities.
decrease
Why at altitudes of >6,000 ft (1,829 m) is there a decrease in aerobic activity performance?
PPO2 is reduced resulting in poor oxygenation of hemoglobin
Hypoxia at altitude can result in immediate compensatory hyperventilation and increased HR
–> Hyperventilation = decreased CO2 = increase in alkaline body fluids
How long does it take to acclimate to altitude starting at 7,545 ft (2,300 m)?
–> How much additional time is added when altitude increases by 1,968 ft (600m)?
a. 2 weeks
b. 1 week for every additional 600 m
What happens to plasma volume and total red blood cell count with increasing altitude?
Plasma Volume: Decreased
Total RBC count: Increased –> increased hemoglobin = improved oxygenation
VO2 max (increases/decreases) starting at 1,500 m.
decreases - continues to decrease by 2% for every 300 m increase.
Bottom line: decreased endurance performance
(true/False) training at altitude provides improvement in performance at sea level.
FALSE
(true/false) Dehydration is common when training in altitude.
True - air is dry and cool
Heat (increases/decreases) GTO sensitivity.
increases
When improving stability, those with hyperkinetic movement disorders should start with (small/large) range movements.
Large range
progress to small range and then holding steady
Are CKC or OKC exercises better for enhancing postural stabilization?
CKC
Aquatic therapy (decreases/increases) peripheral blood flow.
increases - counteracts effusion and edema
At what water temperature do most patients have difficulty maintaining core temperature?
77 degrees
What structure(s) of the body exhibit the greatest temperature change?
skin
rises rapidly
subcutaneous tissue rises less rapidly and does not show a large change
What structure(s) of the body exhibit the least change in temperature?
muscles and joints
Regarding thermotherapy, what do structures > 3cm under the surface require?
shortwave diathermy or ultrasound
What are contraindications for use of superficial thermotherapy?
- acute/subacute traumatic and inflammatory conditions
- decreased circulation and sensation
- DVT
- impaired cognitive function
- risk of hemorrhage or edema
- malignant tumors
- irradiation to eyes or reproductive organs
- pregnancy (full-body heat)
- thrombophlebitis
What changes occur to the following when using general heat application?
Cardiac output
metabolic rate
muscle activity
blood flow to internal organs and resting muscles
HR
RR
BP
Stroke volume
- Cardiac output: increased
- metabolic rate: increased
- muscle activity: decreased
- blood flow to internal organs and resting muscles: decreased
- HR: increased
- RR: increased
- BP: decreased
- Stroke volume: decreased
Capillary permeability and pressure (decrease/increase) with localized heat application
increase
What precautions must you consider before using thermotherapy?
- acute injury
- edema
- metal implants
- open wounds
- topical agents
- cognitive status
- pregnancy
- cardiac insufficiency/impaired circulation
- impaired thermoregulation
What temperature should water be when storing hot packs?
165-170 degrees
At what temperature does paraffin wax self-sterilize?
175-180 degrees
What method of heat transmission is used with hydrotherapy (whirlpool)?
convection
What temperature is most appropriate for exercising in water?
79-92 degrees
What temperature is most appropriate if a person has an open wound?
92-96 degrees
What precautions must be considered before utilizing local immersion?
- decreased temperature sensation
- decreased cognition
- recent skin graft
What precautions must be considered before utilizing full body immersion for hydrotherapy (whirlpool)?
- poor thermoregulation
- impaired temperature sensation
- cardiac medications
- urinary incontinence
- respiratory issues
- fear of water
What are contraindications for local immersion with hydrotherapy?
- maceration
- bleeding
What are contraindications for full body immersion with hydrotherapy (whirlpool)?
- unstable CVD
- bowel incontinence
- severe epilepsy
- potential for cross contamination
- pregnancy
- suicidal ideations
What is the appropriate treatment pressure when using nonimmersion irrigating devices?
4-15 psi
What must you avoid if using non-immersion irrigation devices?
- granulating tissues
- body cavities
definition
erythema of the skin with wealing formations- associated with severe itching due to histamine reaction
cold uticaria
What precautions should be considered before utilizing cryotherapy?
- HTN
- poor thermal regulation
- open wounds
- over superficial nerves
- cognition status
What changes occur to the following when using general cold application?
Cardiac output
metabolic rate
blood flow to internal organs and resting muscles
HR
RR
arterial BP
venous BP
Stroke volume
- Cardiac output: increased
- metabolic rate: decreased
- blood flow to internal organs and resting muscles: increased
- HR: decreased
- RR: decreased
- arterial BP: increased
- venous BP: decreased
- Stroke volume: increased
What are contraindications for cryotherapy?
- cold sensitivity/intolerance
- PVD
- raynaud’s
- paroxysmal cold hemoglobinuria
- compromised circulation
- regenerating nerves
What is continuous ultrasound used to achieve?
thermal effects
(true/false) With US, the intensity is not uniformly distributed over the surface of the transducer
true
Why?
The energy is mechanically blocked by the adhesive bonding of the crystals within the transducer head and the pressure waves interfere with eachother as they radiate to different areas of the crystal
definition
The total power (Watts) divided by the area of the transducer head
spatial avg. intensity
definition
The ratio of spatial peak intensity to spatial avg. intensity.
beam nonuniformity ratio (BNR)
The higher the BNR, the (less/more) uniform the energy distribution is and the (less/more) risk of tissue damage occurring.
Higher BNR =
more uniformed energy
less risk of tissue damage
What is the ideal ratio of BNR?
between 2:1 and 6:1
When is pulsed US applied?
When non-thermal effects are desired
ex: treatment of acute soft tissue injuries
definition
The fraction of time the US energy is on over one pulse period (time on + time off)
duty cycle
What duty cycle is considered as pulsed US?
20-50%
definition
reduction of acoustal energy as it passes through soft tissue.
- affected by refraction, absorption, and reflection
attenuation
What US frequency causes greater heat production in superficial layers (1-2.5 cm deep)?
3 MHz
Why?
Greater attenuation (scattering) of sound waves within the superficial tissue
What US frequency causes greater heat production in deeper layers (3-6 cm deep)?
1 MHz
Why?
Less attenuation (scattering) of the sound waves within the tissues causing more energy to penetrate deeper into the tissues
What is the intensity of the following US frequency?
1 MHz
1.5 - 2.0 W/cm2
What is the intensity of the following US frequency?
3 MHz
0.5 - 1.0 W/cm2
definition
movement of fluids along the boundaries of cell membranes resulting from mechanical pressure waves
acoustic streaming
What precautions should be considered before using US?
- breast implants
- acute inflammation
- open epiphyses
- healing fractures
- over joint cement or plastic components
What are the contraindications for ultrasound?
- cardiac pacemakers
- impaired circulation and sensation
- malignant tumors, thrombophlebitis, or myositis ossificans
- over reproductive organs and heart
- over the abdomen, low back and uterus during pregnancy
- recently irradiated tissue
(Low/high) intensities of US should be considered with acute conditions
low intensities
(Low/high) intensities of US should be considered with chronic conditions
high intensity
What is the regular treatment time for US?
3-10 minutes
definition
The use of US to drive medications through the skin into deeper tissues
phonophoresis
For joint distraction in the lumbar region, a force of ___% of the patient’s body weight is required to cause separation
50%
Do not exceed
NOTE:
for initial treatment, lower traction force is recommended to decrease reactive muscle spasm and determine patient tolerance
For joint distraction in the cervical region, a force of ___% of the patient’s body weight is required to cause separation
7%
do not exceed
NOTE:
for initial treatment, lower traction force is recommended to decrease reactive muscle spasm and determine patient tolerance
What traction force is sufficient to receive the effects of soft-tissue stretching in the lumbar region?
25% of body weight
What traction force is sufficient to receive the effects of soft-tissue stretching in the cervical region?
12-15 pounds
(true/false) traction can be isolated to a particular joint segment
false
What are the contraindications to using intermittent mechanical compression?
- acute inflammation
- trauma
- Fx
- acute DVT
- thrombophlebbitis
- obstructed lymph or venous return
- arterial insufficiency and/or revascularization
- acute pulmonary edema
- cancer
- impaired sensation
- infection
- ABI < 0.6
What is the optimal inflation-deflation ratio for intermittent mechanical compression?
3:1
What is the optimal inflation-deflation ratio for shaping a residual limb when using intermittent mechanical compression?
4:1
What on/off cycle of intermittent mechanical compression should be used for edema?
On: 45-90 seconds
Off: 15-30 seconds
3:1
What determines the setting of intermittent mechanical compression?
Patient’s BP
- some say do not exceed DBP
- some say to fall between the systolic and diastolic values
What type of current is russian and IFC while using E-stim?
Polyphasic
definition
E-stim mode that has intermittent cessation for >1 second during treatment
interrupted
definition
E-stim mode that has a gradual increase and decrease in the current intensity over a period of time
surge
definition
E-stim mode that has a time of period with gradual rise of the current intensity and maintained for a given amount of time … then abruptly or graduallly declines in intensity
ramped
(true/false) both continuous and pulsed waveforms can be used for healing
true
What E-stim parameters has the greatest amount of evidence for facilitating tissue healing?
High voltage pulsed monophasic current