Arthrokinematics- Osteokinematics Flashcards
1
Q
suture
A
- union of two bones by a ligament or membrane
- immovable joint
- eventual fusion is termed synostosis
sagittal suture of the skull
2
Q
syndesmosis
A
- bone connected to bone by a dense fibrous membrane
- very little motion
tibia and fibula with interosseous membrane
3
Q
fibrous joints (synarthroses)
A
suture
syndesmosis
gomphosis
4
Q
gomphosis
A
- two bony surfaces connect as a peg in a hole
- teeth and corresponding sockets in the mandible
tooth in socket
5
Q
cartilaginous joints (amphiarthroses)
A
synchondrosis
symphysis
6
Q
synchondrosis
A
- hyaline cartilage
- cartilage adjoins two ossifying centers of bone
- provides stability during growth
- may ossify to a synostosis once growth is completed
- slight motion
sternum and true rib articulation
7
Q
symphysis
A
- located at midline of body
- two bones covered with hyaline cartilage
- two bones connected by fibrocartilage
- slight motion
pubic symphysis
8
Q
synovial joints (diarthroses)
A
uniaxial
biaxial
multiaxial
9
Q
uniaxial
A
hinge- elbow
pivot- atlantoaxial joint
10
Q
biaxial
A
condyloid- MCP joint
saddle- carpometacarpal joint of the thumb
11
Q
multiaxial
A
plane- carpals
ball and socket- hip joint
12
Q
class 1 lever
A
fulcrum is between the force and the load- not many in the body
13
Q
class 2 lever
A
load is between the fulcrum and force
length of effort arm is longer than resistance arm
like a wheelbarrow
14
Q
class 3 lever
A
force is between the fulcrum and the load
length of the effort arm is always shorter than resistance arm
allows for movements at rapid speeds
elbow flexion
