THERAPEUTIC INTERVENTIONS Exam #1
Questions and Answers Latest Versions 2025 A+
What are 3 functions of muscle?
______ = muscle's ability to exert force per unit of time
______ = muscle's ability to exert single, maximal force
______ = muscle's ability to sustain contractions over
prolonged period of time
Power
Strength
Endurance
Which type of resistive training is described below?
Muscle or muscle group lifting/lowering/controlling
resistance for low repetitions over short time
Strength
Plyometrics is an example of what type of resistive training?
Power training
Which type of resistive training is described below?
Increasing speed and/or load during strength training
Power
Which type of resistive training is described below?
Decreasing load, increasing repetitions
Endurance
Match the type of resistive training to its goal:
1. Strength
2. Power
3. Endurance
A) Improve anaerobic capacity, fiber length, and pennation
angle
B) Increase oxidative capacity; minimal injury risk
C) Increase neural adaptation (motor recruitment), fiber size
& strength, improve function
,1. C
2. A
3. B
What are 3 types of muscle contraction?
Isometric
Isotonic
Isokinetic
What type of muscle contraction is described?
Static form of exercise in which muscle contracts without a
change in length and there is no visible joint movement.
Isometric
What type of muscle contraction is described?
Dynamic resistance exercise with constant or variable load
as the muscle lengthens/shortens through available ROM
Isotonic
What type of muscle contraction is described?
Isotonic movements controlled by rate-limiting device
controlling the speed of movement
Isokinetic
Indications for isometric exercise include all except:
A) During immobilization when joint movement is not
possible.
B) When functional demands dictate a sustained static
position.
C) Absence of pain limitations
D) Desired co-contraction
C
Goals of isometric exercise include: [select all that apply]
A) Minimize atrophy during immobilization
B) Prepare muscle for varying speeds of functional tasks
C) Re-establish firing patterns while protecting healing tissue
D) Reciprocal eccentric and concentric training
E) Develop joint stability
F) Encourage venous drainage
A, C, E, F
,What is important to avoid during isometric muscle
contraction exercises?
Valsalva maneuver
Which type of muscle contraction applies to the following
indications?
-Once dynamic movement and increased resistance will not
hinder healing.
-When muscle strengthening is needed throughout the whole
ROM.
Isotonic
Which type of muscle contraction applies to the following
goals?
-Same as isometric.
-Increase strength, power, endurance, ability to complete
functional activities.
-Increase muscle function at all angles.
Isotonic
Types of Isotonic Contractions
Eccentric and Concentric
______ = muscle fibers LENGTHEN during contraction
______ = muscle fibers SHORTEN during contraction
eccentric
concentric
What type of isotonic contraction is being described?:
Greater incidence of DOMS
Greater stress on CV system
Resist greater load
Greater torque production
More metabolically efficient and fatigue resistant
Eccentric
What type of isotonic contraction is being described?:
Greater motor unit recruitment
Less mechanical efficiency
Concentric
, Which is NOT an indication for isokinetic exercise?
A) When the velocity of limb movement needs to be
controlled.
B) When load needs to be controlled.
C) Range of speeds allows patient to prepare for functional
activities that occur across a range of velocities.
B
Limitations to isokinetic muscle contraction include:
A) Velocity specific
B) Resistance provided by patient
C) Specific to joint angle
D) Minimal joint feedback
E) A and B
F) C and D
E (A and B)
______-chain = body moves over fixed distal segment
______-chain = distal segment moves freely
Closed
Open
Open- or Closed-chain?
Muscle isolation
Causes shear forces
Weight-bearing contraindicated
Open
Open- or Closed-chain?
Shear forces contraindicated
Muscle activation of multiple groups
Axial loading
Internal stabilization
Closed
Principle of Overload
= tissue needs to be overloaded to adapt
What is the FITT principle for exercise dosing?
Frequency, Intensity, Time, Type
Questions and Answers Latest Versions 2025 A+
What are 3 functions of muscle?
______ = muscle's ability to exert force per unit of time
______ = muscle's ability to exert single, maximal force
______ = muscle's ability to sustain contractions over
prolonged period of time
Power
Strength
Endurance
Which type of resistive training is described below?
Muscle or muscle group lifting/lowering/controlling
resistance for low repetitions over short time
Strength
Plyometrics is an example of what type of resistive training?
Power training
Which type of resistive training is described below?
Increasing speed and/or load during strength training
Power
Which type of resistive training is described below?
Decreasing load, increasing repetitions
Endurance
Match the type of resistive training to its goal:
1. Strength
2. Power
3. Endurance
A) Improve anaerobic capacity, fiber length, and pennation
angle
B) Increase oxidative capacity; minimal injury risk
C) Increase neural adaptation (motor recruitment), fiber size
& strength, improve function
,1. C
2. A
3. B
What are 3 types of muscle contraction?
Isometric
Isotonic
Isokinetic
What type of muscle contraction is described?
Static form of exercise in which muscle contracts without a
change in length and there is no visible joint movement.
Isometric
What type of muscle contraction is described?
Dynamic resistance exercise with constant or variable load
as the muscle lengthens/shortens through available ROM
Isotonic
What type of muscle contraction is described?
Isotonic movements controlled by rate-limiting device
controlling the speed of movement
Isokinetic
Indications for isometric exercise include all except:
A) During immobilization when joint movement is not
possible.
B) When functional demands dictate a sustained static
position.
C) Absence of pain limitations
D) Desired co-contraction
C
Goals of isometric exercise include: [select all that apply]
A) Minimize atrophy during immobilization
B) Prepare muscle for varying speeds of functional tasks
C) Re-establish firing patterns while protecting healing tissue
D) Reciprocal eccentric and concentric training
E) Develop joint stability
F) Encourage venous drainage
A, C, E, F
,What is important to avoid during isometric muscle
contraction exercises?
Valsalva maneuver
Which type of muscle contraction applies to the following
indications?
-Once dynamic movement and increased resistance will not
hinder healing.
-When muscle strengthening is needed throughout the whole
ROM.
Isotonic
Which type of muscle contraction applies to the following
goals?
-Same as isometric.
-Increase strength, power, endurance, ability to complete
functional activities.
-Increase muscle function at all angles.
Isotonic
Types of Isotonic Contractions
Eccentric and Concentric
______ = muscle fibers LENGTHEN during contraction
______ = muscle fibers SHORTEN during contraction
eccentric
concentric
What type of isotonic contraction is being described?:
Greater incidence of DOMS
Greater stress on CV system
Resist greater load
Greater torque production
More metabolically efficient and fatigue resistant
Eccentric
What type of isotonic contraction is being described?:
Greater motor unit recruitment
Less mechanical efficiency
Concentric
, Which is NOT an indication for isokinetic exercise?
A) When the velocity of limb movement needs to be
controlled.
B) When load needs to be controlled.
C) Range of speeds allows patient to prepare for functional
activities that occur across a range of velocities.
B
Limitations to isokinetic muscle contraction include:
A) Velocity specific
B) Resistance provided by patient
C) Specific to joint angle
D) Minimal joint feedback
E) A and B
F) C and D
E (A and B)
______-chain = body moves over fixed distal segment
______-chain = distal segment moves freely
Closed
Open
Open- or Closed-chain?
Muscle isolation
Causes shear forces
Weight-bearing contraindicated
Open
Open- or Closed-chain?
Shear forces contraindicated
Muscle activation of multiple groups
Axial loading
Internal stabilization
Closed
Principle of Overload
= tissue needs to be overloaded to adapt
What is the FITT principle for exercise dosing?
Frequency, Intensity, Time, Type
