The skeletal system Flashcards
(17 cards)
what does movement of the musculoskeletal system enable?
- hunting
- escaping
- fighting
- reproduction
how many bones do you have in your hand?
28
what is the largest bone in the body?
femur
what is the smallest bone in the body?
stapies
where are joints found?
between two bones
how are joints held together?
ligaments
how is the movement of joints controlled?
muscles and their tendons
what are the three types of joints?
- fibrous
- Cartilaginous
- synovial
fibrous joints
- immovable
- suture
- syndesmosis
cartilaginous joints
- semi-moveable, tough fibrocartilage
- Primary – joints at birth but fuse later
- Secondary – midline ones
synovial joints
- freely moveable, hyaline cartilage
- Hinge
- Ball and socket
- Pivot
- Saddle
- Condyloid
- Sliding/gliding
long bones
UEx and LEx
(upper extremity, lower extremity)
short bones
numerous bones in the ankles and wrists
flat bones
skull, rib cage, scapula, pelvis
irregular bones
vertebrae, jaw (mandible), heel (calcaneus)
sesamoid bones
free floating bones in certain tendons such as the patella and in the foot and hand