ANAT NOTES 8 PART 1 Flashcards
(26 cards)
pectoral girdle
Attaches the upper limbs to the trunk
pelvic girdle
Attaches the lower limbs to the trunk
clavicles
- Provide attachment for muscles
- Hold the scapulae and arms laterally
- Transmit compression forces from the upper limbs to the axial
where does the scapulae lie?
dorsal surface of the ribcage
scapulae location
between ribs 2-7
scapulae 3 borders
- Superior
- Medial (vertebral)
- Lateral (axillary)
scapulae 3 angles
Lateral, superior, and inferior
what is the only bone in the arm?
humerus
what is forearm formed from?
radius and ulna
how many bones form each upper limb?
30 bones
how many marble-sized bone are in the carpus?
8
what does the pelvic girdle support?
visceral organs
acetabulum
a deep cup that holds the head of the femur
what are the 3 separate bones in the pelvic girdle during childhood?
- ilium
- ischium
- pubis/pubic symphysis
major differences between male and female pelves?
adapted for childbearing; pelvis is lighter, wider, and shallower than in the male
are bones of the lower limb stronger or weaker than the upper limb?
stronger
what are the 3 segments the lower limb is divided into?
thigh (femur), leg, and foot
femur
single bone of the thigh, longest and strongest bone of the body (patella-triangular sesamoid bone)
tibia
more massive medial bone of the leg
receives weight of the body from the femur
fibula
sticklike later bone of the leg (can be used for bone replacement in other parts of the body)
interosseous membrane
connects the tibia and fibula; radius and ulna
the foot is composed of
tarsus, metatarsus, and the phalanges
how many phalanges of the toes?
14
3 arches of the foot
- medial longitudinal arch
- lateral longitudinal arch
- transverse arch
