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1

Regions of the Lower Extremity

Gluteal
Thigh (femoral)
Knee
Patellar (anterior)
Popliteal (posterior)
Leg (crural)
Anterior
Calf (sural)
Foot (pedal)

2

Pelvic girdle is attached to the vertebral column (sacroiliac joints)

Hip bones are firmly attached at the midline

Knee has stabilizing ligaments and muscles on which it depends

Fibula does not enter into the knee joint

Bones of the foot are large and adapted for bearing weight

Flexor versus extensor surfaces

Features of the Lower Limb

3

Features of the Lower Limb

Pelvic girdle is attached to the vertebral column (sacroiliac joints)

Hip bones are firmly attached at the midline

Knee has stabilizing ligaments and muscles on which it depends

Fibula does not enter into the knee joint

Bones of the foot are large and adapted for bearing weight

Flexor versus extensor surfaces

4

STRENGTH VERSUS LOCOMOTION

Weight-bearing appendage needs strength

Locomotion appendage needs flexibility and range of motion

Structural compromise between stability and range of motion

5

Weight-bearing appendage needs ___

strength

6

Locomotion appendage needs flexibility and ____

range of motion

7

Structural ____ between stability and range of motion

compromise

8

Os Coxae (ilium, ischium, pubis)
Femur
Patella
Tibia
Fibula
Tarsals (7)
Metatarsals (5)
Phalanges (14)

Bones of the Lower Extremity

9

Bones of the Lower Extremity

Os Coxae (ilium, ischium, pubis)
Femur
Patella
Tibia
Fibula
Tarsals (7)
Metatarsals (5)
Phalanges (14)

10

Ilium
Ischium
Pubis

Hip (os coxae) component

11

Hip (os coxae) component

Ilium
Ischium
Pubis

12

Bones fuse in late teens / early 20s to form a single bone, the os coxae AKA ____

innominate bone

13

Slide 8, 9 for views of the hip

check it

14

Skin dimples mark the position of the ____

posterior superior iliac spines

15

The dimples are typically more visible in women than in men

Skin dimples mark the position of the posterior superior iliac spines

16

Slide three for lower limb definitions

aight

17

Consists of complete ring composed of hip bones, pubic symphysis, and sacrum

Bony pelvis

18

Bony Pelvis has?

complete ring composed of hip bones, pubic symphysis, and sacrum

19

The portion of the bony pelvis superior to the pelvic brim is the ____.

false (greater) pelvis

20

The portion of the bony pelvis inferior to the pelvic brim is the ____.

true (lesser) pelvis

21

The___ contains the urinary bladder, portions of the large intestine, and internal organs of the reproductive system

pelvic cavity

22

Bones of males are generally ____, and have larger surface markings than those of females of comparable age and physical stature

larger and heavier

23

Most structural differences in the female pelvis are adaptations to requirements of ____

pregnancy and childbirth

24

False pelvis shallow in female (left), ___ in male

deep

25

Pelvic brim (inlet) larger and more __ in female

oval

26

Acetabulum smaller and faces ____ in female, faces laterally in male

anteriorly

27

Obturator foramen oval in female, ___ in male

round

28

Pubic arch ____° angle in female, < 90° in male

> 90

29

Check slide 16, 17, 18 for male/female pelvis slides

DO IT

30

False pelvis shallow in female (left), deep in male

____ larger and more oval in female

Acetabulum smaller and faces anteriorly in female, faces laterally in male

_____ oval in female, round in male

Pubic arch > 90° angle in female, < 90° in male

Pelvic brim (inlet)


Obturator foramen