Skip to Main Content

++

Rehabilitation

++
++
++

The Henneman size principle of therapeutic exercise says motor units are recruited in order of

++
++
++

(A) increasing size, decreasing contraction strength, and diminishing fatigue

++
++

(B) increasing size, increasing contraction strength, and diminishing fatigue

++
++

(C) increasing size, increasing contraction strength, and escalating fatigue

++
++

(D) decreasing size, increasing contraction strength, and diminishing fatigue

++
++

(E) none of the above

+
++

(C) Smaller, less powerful, fatigue resistant motor units, which contain slow-twitch muscle fibers, have the lowest firing threshold and are recruited first. Demands for larger forces are met by the recruitment of increasingly larger, more powerful, fatigable motor units. The largest motor units that contain the fast-twitch B fibers have the highest threshold and are recruited last.

++
++
++

What is an example of an open kinetic chain exercise?

++
++
++

(A) Leg press

++
++

(B) Knee extensions

++
++

(C) Push up

++
++

(D) Treadmill

++
++

(E) Bench press

+
++

(B) Open kinetic chain exercises are typically performed where the foot/leg or hand/arm is free to move, and non-weight bearing, with the movement occurring at the peripheral joint. Examples of these exercises would be knee extensions, straight leg raises, and biceps curl. In closed kinetic chain (CKC) exercise, the distal part of the limb-upper or lower, is fixed to the ground or to the wall or plate. Examples include leg press, push up, and running exercises. In bench press, the foot is on the floor so this too is a CKC exercise. CKC exercises are felt to be more "functional", since these exercises may mimic what patients do throughout the day or in an employment setting and thus are often favored. However, a mix of both types of exercises typically recommended.

++
++
++

Which type of therapy has been found to reduce the risk of falls in the elderly?

++
++
++

(A) Tai chi

++
++

(B) Pilates

++
++

(C) Yoga

++
++

(D) Strength training

++
++

(E) None of the above

+
++

(A)

++

  1. Tai chi is an internal Chinese martial art often practiced with the aim of promoting health and longevity. Training consists of slow motion routines that groups of people practice together every morning in parks around the world, particularly in China. Many medical studies support its effectiveness as an alternative exercise and ...

Want remote access to your institution's subscription?

Sign in to your MyAccess profile while you are actively authenticated on this site via your institution (you will be able to verify this by looking at the top right corner of the screen - if you see your institution's name, you are authenticated). Once logged in to your MyAccess profile, you will be able to access your institution's subscription for 90 days from any location. You must be logged in while authenticated at least once every 90 days to maintain this remote access.

Ok

About MyAccess

If your institution subscribes to this resource, and you don't have a MyAccess profile, please contact your library's reference desk for information on how to gain access to this resource from off-campus.

Subscription Options

AccessAnesthesiology Full Site: One-Year Subscription

Connect to the full suite of AccessAnesthesiology content and resources including procedural videos, interactive self-assessment, real-life cases, 20+ textbooks, and more

$995 USD
Buy Now

Pay Per View: Timed Access to all of AccessAnesthesiology

24 Hour Subscription $34.95

Buy Now

48 Hour Subscription $54.95

Buy Now

Pop-up div Successfully Displayed

This div only appears when the trigger link is hovered over. Otherwise it is hidden from view.