Skeletal system Flashcards
Name all 20 bones in the body.
- Cranium
- Clavicle
- Sternum
- Ribs
- Humerus
- Verterbrae
- Radius
- Ulna
- Carpals
- Metacarpals
- Pelvis
- Femur
- Patella
- Tibia
- Fibia
- Tarsals
- Talus
- Metatarsals
- Phalanges
What does ‘anterior’ mean?
To the front of
What does ‘posterior’ mean?
To the rear of
What does ‘medial’ mean?
Towards the midline
What does ‘lateral’ mean?
Away from the midline
What does ‘proximal’ mean?
Closest to
What does ‘distal’ mean?
Furthest away
What does ‘superior’ mean?
Above
What does ‘inferior’ mean?
Below
What are the 5 types of bone?
- Long
- Short
- Irregular
- Flat
- Sesamoid
What is the shaft known as on a long bone?
Diaphysis
What are the two expanding ends called on a long bone?
The epiphysis
What are 3 examples of long bones?
Humerus, radius, ulna
What are 2 characteristics of a short bone?
Small and light
What are 2 examples of short bones?
Carpals and tarsals
What are the 3 characteristics of flat bones?
Thin, flattened and slightly curved
What are 3 examples of flat bones?
Scapula, sternum and cranium
What is an example of an irregular bone?
The bones in the verterbrae
Where are sesamoid bones typically found?
Within a tendon
What do sesamoid bones provide?
A smooth surface for the tendon to slide over
What is an example of a sesamoid bone?
The patella
What 2 areas is the skeleton divided into?
Axial skeleton and Appendicular skeleton
What 4 bones make up the axial skeleton?
Cranium, sternum, ribs and vertebrae
Which bones make up the appendicualr skeleton?
All of the bones that attach to the axial skeleton
How many irregular bones make up the vertebrae?
33
What 5 sections is the vertebral column made up of?
- Cervical
- Thoracic
- Lumbar
- Sacral
- Coccyx
What is the cervical section of the vertebral column?
The top 7 vertebrae of the neck
What is the thoracic section of the vertebral column?
The 12 vertebrae of the mid-spine
What is the lumbar section of the vertebral column?
The largest 5 vertebrae of the lower spine
What is the sacral section of the vertebral column?
The 5 fused vertebrae which forms the sacram
What is the coccyx section of the vertebral column?
The 4 fused vertebrae which forms the coccyx
What are the 5 functions of the vertebral column?
- To protect spinal cord
- To support the rib cage
- To support body weight
- Offers attachment for muscles in the back
- Intervertebral discs recieve and distribute impact
How many curves should a neutral spine have?
3
What is kyphosis of the spine?
The excessive outward curve of the thoracic region