Chapter 23: Lower Limb Flashcards
what do the lower limbs do?
support the weight of the body and are involved in locomotion
leg means
only the lower leg
- the portion of the lower limb between the knee and ankle
what structure does the flexor halluces longus muscle move?
big toe
all lower limb bones are ____
paired
the ____ binds the lower limb bones to the axial skeleton and is composed of two coxal bones.
pelvic girdle
each lower limb has three segments what are they
a thigh
a leg
a foot
coxal
an irregularly shaped bone
femur
thigh bone
patella
kneecap
tibia
medial bone of leg
fibula
lateral bone of leg
tarsals
7 bones in proximal part of foot
metatarsals
5 bones located distal to tarsals
phalanges
bones of digits; usually 14 in number
the bones of the pelvic girdles are parts of the _______.
appendicular skeleton
coxal bone
composed of three bones- ilium, ischium, and pubis
the illium ischium and pubis fuse together around the ____ year.
they fuse together around the 16th year
iliac crest
attachment of the quadratus lumvorum muscle
auricular surface
articulates with an auricular surface of the sacrum
anterior superior iliac spine
attachment of the Sartorius muscle
anterior inferior iliac spine
attachment of the rectus femoris muscle
posterior superior iliac spine
attachment of ligaments
posterior inferior iliac spine
attachment of the piriformis muscle
greater sciatic notch
passageway for the sciatic nerve
lesser sciatic notch
passageway for nerves
ischial spine
attachment of ligaments and muscles
ischial tuberosity
attachment of the hamstring muscles
ischial ramus
attachment of the adductor magnus and gracilis muscles
pubic body
articulates with the body of the other pubis
superior ramus of pubis
attachment of the pectineus muscle
inferior ramus of pubis
attachment of the adductor brevis and gracilis muscles
acetabulum
articulates with the head of femur
the ischial spine is ____ to the greater sciatic notch
inferior
the pelvis does what
supports and protects the viscera contained within it
- transmits the weight of the head trunk and upper limbs to the lower limbs
- provides a strong stable base
the false (greater pelvis) is
superior to the pelvic brim