Appendicular Skeleton

Question 1

appendicular skeleton consists of…

Answer 1

• pectoral girdle
• pelvic girdle
• upper + lower limbs

Question 2

pectoral girdle consists of…

Answer 2

clavicle + scapula

Question 3

clavicle (pectoral girdle)

Answer 3

• articulates w/ manubrium + acronium process

- forms connection b/w axial and appendicular skeleton

Question 4

scapula articulations (pectoral girdle)

Answer 4

• > or < attaches to *
• acronium > clavicle
• glenoid fossa cavity > head of humerus (forms shoulder)
• arm muscles > coracoid process < chest muscles

Question 5

pelvic girdle consists of…

Answer 5

• 2 os coxa

os coxa: - ilium > sacrum
- ischium: inferior surface > ischial tuberosity
(holds weight while sitting)
- pubic bone: join by cartilaginous disk
(pubic symphysis)

Question 6

pelvic girdle joints

Answer 6

1) sacroiliac joint: synovial joint
2) pubic symphysis: joins 2 pubic bones from cartilage

3) acetabulum: socket > head of femur (hip bone)
- synovial joint: joins L5 + sacrum

Question 7

arms consist of…

Answer 7

• humerus
• radius + ulna
• carpals
• 5 metacarpals
• 14 phalanges

Question 8

legs consist of…

Answer 8

• femur
• fibula / tibia
• 7 tarsals (calcaneus: largest tarsal)
• 5 metatarsals
• 14 phalanges