Joints (lab)

Question 1

How many ways are there to classify a joint?

Answer 1

Two; structural and functional.

Question 2

Structural and their types

Answer 2

What holds the bones together.
Fibrous, Cartilaginous, & Synovial.

Question 3

Functional and their types

Answer 3

How much it (the joint) should move.
Synarthrosis, Amphiarthrosis, and Diarthrosis.

Question 4

Fibrous

Answer 4

Collagen fibers hold the 2 bones together (Ex. sutures in the skull). (structural)

Question 5

Cartilaginous

Answer 5

Bones held together by cartilage (ex. pubic symphysis, meniscus in the knee). (structural)

Question 6

Synovial

Answer 6

Held together by a capsule (Ex. knee) (structural)

Question 7

Synarthrosis

Answer 7

Not supposed to move (ex. sutures of the skull) (functional)

Question 8

Amphiarthrosis

Answer 8

Moves a little (ex. pubic symphysis, intervertebral) (functional)

Question 9

Diarthrosis

Answer 9

Freely moveable (ex. knee, fingers, shoulders, etc.) (functional)

Question 10

Synovial Joint

Answer 10

Reduces friction. Allows easy movement.

Question 11

Tendons connect what?

Answer 11

Muscle

Question 12

Muscles connect what?

Answer 12

Bone

Question 13

Ligaments connect what?

Answer 13

Bone-to-bone

Question 14

What does adduction mean?

Answer 14

Toward the midline.

Question 15

What does abduction mean?

Answer 15

Away from the midline.