Questions and Correct Answers. 100% Correct.
2024/2025.
joints
articulations, where two bones meet
ROM (range of motion)
is the amount of movement at a joint
High ROM
weak joint
Low ROM
strong joint
Synarthrosis
no movement, very strong
Amphiarthrosis
little movement, strong
Diarthrosis
free movement, somewhat strong
Synarthrosis: structural types
synostosis
synchondrosis
suture
gomphosis
Amphiarthrosis: structural types
symphysis
syndesmosis
Diarthrosis: structural types
synovial
Synostosis
, fusion on 2 bones
ex. frontal bone
Synochondrosis
ex. between 1st rib and sternum
Suture
interlocking line of union between bones
ex. skull
Gomphosis
ex. where teeth articulates with maxilla or mandible
Symphysis
where the bones are connected
ex. pubic symphysis, has to open during birth
Syndesmosis
bones connected by ligaments
ex. distal end of fibula and tibia
Synovial
Greatest ROM
ex. knee
Not part of a synovial joint but it still supports it
tendons
Synovial joints functions
lubrication
nutrient diffusion
shock absorption
protects articular cartilage
Accessory Structures of Synovial Joints
Bursa
Fat Pads
Meniscus
Ligaments
Lubrication for synovial joints
called synovial fluid:
-lubricates