Principles of ROM

Question 1

Define Passive Range of Motion

Answer 1

Patient is not actively producing movement

Question 2

Define Active Range of Motion

Answer 2

Completing the range of motion w/ m. power

Question 3

Assisted Active Range of Motion

Answer 3

Helping w/ ROM but not doing all the work

Question 4

Define flexibility

Answer 4

Ability of a muscle to elongate

Question 5

Name 5 things that influence ROM

Answer 5

Ligaments (CT), Menisci (enhance surface area for load distribution), Joint capsules (hold bone to bone/stabilizers), Bursa (fluid filled sacs), hyaline cartilage (friction free surface providers)

Question 6

When there is AROM is less than PROM:

Answer 6

force production problem

Question 7

When PROM is less than AROM:

Answer 7

joint integrity issue

Question 8

When PROM and AROM are limited:

Answer 8

something in the joint is limiting

Question 9

Joint position v. Joint excursion

Answer 9

ROM is a position

Excursion is one ROM to another

Question 10

Use AROM if:

Answer 10

you want to improve m. force production

increase m. performance

Question 11

Use PROM if:

Answer 11

If patient cannot perform AROM and you want to improve ROM
manual therapy
when the motion is difficult for the patient to produce naturally
more reps are possible