0
We're unable to sign you in at this time. Please try again in a few minutes.
Retry
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
Retry
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
ARTICLE |

VALUE OF SELECTIVE VOLUNTARY EXERCISE

HALBERT W. CHAPPEL, A.M., M.D.
JAMA. 1923;81(18):1491-1493. doi:10.1001/jama.1923.02650180009004.
Text Size: A A A
Published online

ABSTRACT

The partial or complete loss of function following infectious arthritis is due to changes in the structure of the synovial membrane, the cartilage and the bones; to periarticular changes, or to changes in the muscles that control the movements of the joints; to any two, and not infrequently to all three.

The synovial membrane is usually thickened, and it is not uncommon to find large fringes and villi. The cartilage which is softened during the acute stage is thinned and occasionally entirely absorbed. In the long standing cases, the ends of the bones have become smooth and very hard, with an accompanying atrophy of their shaft. At the margins of the joints, bone proliferation forms irregular nodules, varying in size from that of a pin head to a triangular mass nearly an inch in length.

The periarticular tissues show infiltration and swelling, so that the enlargement about the joint is

Topics

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

First Page Preview

View Large
First page PDF preview

Figures

Tables

References

CME
Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.

Multimedia

Some tools below are only available to our subscribers or users with an online account.

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

Related Content

Customize your page view by dragging & repositioning the boxes below.

Jobs
brightcove.createExperiences();