TIME PERIOD Flashcards
1
Q
Limb buds
A
4th gestational week
2
Q
Hand and foot plates develop
A
5th gestational week
3
Q
Elbows, knees, wrist
Digital rays of the hand plate
Limbs extend ventrally/anteriorly
A
6th gestational week
4
Q
Digital rays of the foot
Limb rotation
(upper limb: lateral and external)
(Lower Limb: medial and internal)
A
7th gestational week
5
Q
Fetal position attained; muscles, nerves, arterial supply
Skeleton:
mesenchyme 🡪 cartilage 🡪osseuos
A
8th gestational week
6
Q
Primary centers of ossifications, secondary centers of ossification, nail
A
9th intrauterine week to Birth
7
Q
LE positional changes occur Hips internally rotate Motor milestones (rolling,sitting,standing,walking,talking)
A
Infancy: Birth to 1.5-2years
8
Q
Positional changes in LE until 6y/o
Torsional changes in LE until 13 y/o
A
Childhood: 1.5/2 years to 13 years
