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Related Concept Videos

Functional Classification of Joints01:09

Functional Classification of Joints

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Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses  or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
6.9K
Structural Joints: Synovial Joints01:16

Structural Joints: Synovial Joints

7.0K
Synovial joints are the most common type of joint in the body. A key structural characteristic for a synovial joint is the presence of a joint cavity. This fluid-filled space is where the articulating surfaces of the bones contact each other. Also, unlike fibrous or cartilaginous joints, the articulating bone surfaces at a synovial joint are not directly connected to each other with fibrous connective tissue or cartilage. This gives the bones of a synovial joint the ability to move smoothly...
7.0K
Structural Joints: Fibrous Joints01:03

Structural Joints: Fibrous Joints

3.8K
Fibrous joints are a type of joint where the bones are connected by fibrous connective tissue. These joints provide stability and minimal to no movement between the articulating bones. There are three types of fibrous joints.
Suture
All the bones of the skull, except for the mandible, are joined to each other by a fibrous joint called a suture. The fibrous connective tissue found at a suture strongly unites the adjacent skull bones and thus helps to protect the brain and form the face. In...
3.8K
Structural Joints: Cartilaginous Joints01:17

Structural Joints: Cartilaginous Joints

4.1K
As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. Unlike synovial joints, these types of joints lack a joint cavity and involve bones joined together by either hyaline cartilage or fibrocartilage.
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary...
4.1K
Joints01:26

Joints

35.8K
Joints, also called articulations or articular surfaces, are points at which ligaments or other tissues connect adjacent bones. Joints permit movement and stability, and can be classified based on their structure or function.
Structural joint classifications are based on the material that makes up the joint as well as whether or not the joint contains a space between the bones. Joints are structurally classified as fibrous, cartilaginous, or synovial.
Fibrous Joints Are Immovable
The bones of a...
35.8K
Method of Joints01:30

Method of Joints

1.3K
The method of joints is a commonly used technique to analyze the forces in structural trusses. The method is based on the principle of equilibrium, which assumes that the truss members are connected by frictionless pins. The forces at each joint can be determined by considering the equilibrium of the forces acting on that joint.
Since plane truss members are in the same plane, each joint is subjected to a coplanar and concurrent force system. To apply the method of joints, the first step is to...
1.3K

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Related Experiment Video

Updated: Feb 6, 2026

Reverse Total Shoulder Arthroplasty
10:10

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

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Does total joint arthroplasty impair erectile function?

Patrick Weber1, Florian Schmidutz1, Andreas Ficklscherer1

  • 1Department of Orthopedic Surgery, Physical Medicine and Rehabilitation, University Hospital, Ludwig-Maximilians-University (LMU), Munich, Germany.

Archives of Medical Science : AMS
|August 30, 2018
PubMed
Summary
This summary is machine-generated.

Total joint arthroplasty (TJA) does not impair erectile function. This study found no significant difference in erectile function scores before and after TJA, confirming it is a safe procedure.

Keywords:
erectile dysfunctionsexualitytotal hip arthroplastytotal knee arthroplasty

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Intracavernosal Pressure Recording to Evaluate Erectile Function in Rodents
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Area of Science:

  • Orthopedic Surgery
  • Urology
  • Sexual Health

Background:

  • Sexuality is crucial for quality of life, often improving post-Total Joint Arthroplasty (TJA).
  • Previous studies suggested a high rate (approx. 20%) of impaired erectile function after TJA.
  • Erectile dysfunction is a significant concern, necessitating further investigation into its post-TJA prevalence.

Purpose of the Study:

  • To re-evaluate erectile function in male patients following TJA.
  • To investigate the association between TJA and erectile function.
  • To address the discrepancy in reported post-TJA erectile function rates.

Main Methods:

  • Prospective study enrolling male patients scheduled for TJA.
  • International Index of Erectile Function (IIEF-5) questionnaire used for pre- and 6-month postoperative assessment.
  • 108 patients included, with 101 (94%) completing the 6-month follow-up.

Main Results:

  • Preoperative erectile function was impaired in 45 patients (44.5%) and absent in 18 (17.8%).
  • No significant difference was observed in IIEF-5 scores between pre- (15.4 ±9.3) and postoperative (15.3±9.2) assessments (p=0.59).
  • Subgroup analyses for hip, knee, and age (>70) also showed no significant differences.

Conclusions:

  • The previously reported high incidence of impaired erectile function after lower extremity TJA was not confirmed.
  • TJA is a safe procedure concerning postoperative erectile function.
  • The study provides evidence against a negative impact of TJA on male erectile function.