KNOWLATIVE

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A virtual worldwide community of muscle testers.

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Here you can find all contents that are reachable inside the WebApp with a Free Account. Every new Free content of the WebApp is republished here.
This is just a showcase of what you will find inside the WebApp. Updates are not published here; you will find only the first version of the content. You will not find here all hyperlinks to other knowledge, either. For this reason, we strongly advise you to sign up and browse the contents from inside the App.

Condyloid Joint

Biaxial joint; allows flexion/extension, abduction/ adduction, and circumduction movements. Metacarpophalangeal (knuckle) joints of fingers; radiocarpal joint of wrist; metatarsophalangeal joints...

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Pivot Joint

Uniaxial joint: allows rotational movement. Examples: Atlantoaxial joint (C1–C2 vertebrae articulation); proximal radioulnar joint.   At a pivot joint, a rounded portion of a bone is enclosed within...

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Saddle Joint

Biaxial joint; allows flexion/extension, abduction/ adduction, and circumduction movements. Examples: First carpometacarpal joint of the thumb; sternoclavicular joint.   At a saddle joint, both of...

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Synovial Joints

Synovial joints are the most common type of joint in the body (Picture 1). A key structural characteristic for a synovial joint that is not seen at fibrous or cartilaginous joints is the presence of...

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Hinge Joint – Ginglymoid Joint

Uniaxial joint; allows flexion/extension movements. Examples: Knee; elbow; ankle; interphalangeal joints of fingers and toes.   In a hinge joint, the convex end of one bone articulates with the...

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Symphysis

A cartilaginous joint where the bones are joined by fibrocartilage is called a symphysis (“growing together”). Fibrocartilage is very strong because it contains numerous bundles of thick collagen...

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Cartilaginous Joints

As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. These types of joints lack a joint cavity and involve...

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Gomphosis

A gomphosis (“fastened with bolts”) is the specialized fibrous joint that anchors the root of a tooth into its bony socket within the maxillary bone (upper jaw) or mandible bone (lower jaw) of the...

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Synchondrosis

A synchondrosis (“joined by cartilage”) is a cartilaginous joint where bones are joined together by hyaline cartilage, or where bone is united to hyaline cartilage. A synchondrosis may be temporary...

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