Chapter 8: Appendicular Skeleton Flashcards
1
Q
What are the 8 arm bones?
A
1) clavicle
2) scapula
3) humerus
4) radius
5) ulna
6) carpals
7) metacarpals
8) phalanges
2
Q
What are the 8 leg bones?
A
1) hip bone
2) femur
3) patella
4) tibia
5) fibula
6) tarsals
7) metatarsals
8) phalanges
3
Q
What is the appendicular skeleton?
A
- limbs and pelvic girdle
- 126 bones
- lower portion is for weight bearing
- Upper = highly mobile
4
Q
What is the pectoral girdle?
A
Shoulder region which attaches arm bones
5
Q
What is the pelvic girdle?
A
Lower limbs attached to the vertebral column
6
Q
Describe the pelvic girdle
A
- 2 bones
- transfer of weight
- provide attachment point and protection
each hip bone is anchored to the sacrum at the sacroiliac joint
7
Q
Describe the pectoral girdle
A
- two bones: clavicle and scapula
- clavicle is s-shaped on anterior
- scapula is the posterior aspect of the shoulder
- each clavicle is anchored to the axial skeleton by the sternoclavicular joint (between sternum and clavicle)*
8
Q
What is the function foot arches?
A
To provide spring and leverage to the foot when walking
9
Q
What are the 3 foot arches?
A
1) medial longitudinal arch
2) lateral longitudinal arch
3) transverse arch
