Lab 8

Question 1

the appendicular skeleton consists of..

Answer 1

pectoral girdle and the arm bones

pelvic girdle and the leg bones

Question 2

what bones articulates with at the acromial end of the clavicle?

Answer 2

the scapula

Question 3

what bone articulates at the sternal end of the clavicle?

Answer 3

the sternum (clavicular notch)

Question 4

on the scapula, what is the scapular spine the site of attachment for?

Answer 4

site of attachments of trapezius and deltoid muscles, laterally becomes acromion process

Question 5

what sits in the supraspinous fossa?

Answer 5

the supraspinatus muscle sits in this fossa

Question 6

what sits in the infraspinous fossa?

Answer 6

the infraspinous muscle sits in this fossa

Question 7

what is the acromion process?

Answer 7

tip of the shoulder

Question 8

what attaches to the coracoid process?

Answer 8

three muscles- coracobrachialis, pectoralis minor, short head of the biceps brachii

Question 9

what fits in the glenoid cavity?

Answer 9

head of the humerus

Question 10

what articulates with the head of the humerus?

Answer 10

the glenoid cavity of the humerus

Question 11

what attaches to the greater tubercle?

Answer 11

3 rotator cuff muscles

Question 12

what attaches to the lesser tubercle?

Answer 12

subscapularis muscle inserts there

Question 13

what is the intertubercular groove for?

Answer 13

the tendon of biceps brachii

Question 14

what inserts at the deltoid tuberosity?

Answer 14

deltoid muscle

Question 15

what originates at the medial epicondyle?

Answer 15

origin of wrist flexor muscles

Question 16

what originates at the lateral epicondyle?

Answer 16

origin of extensor muscles

Question 17

what articulates with the trochlea?

Answer 17

the ulna

Question 18

what articulates with the capitulum?

Answer 18

the radius

Question 19

ulna- olecranon process, what inserts here?

Answer 19

triceps brachii, forms the elbow

Question 20

what articulates with the trochlear notch of the ulna?

Answer 20

the trochlea of humerus

Question 21

what is the styloid process of the luna?

Answer 21

a surface landmark that you can palpate

Question 22

radius- what articulates with the head of the radius?

Answer 22

the capitulum of humerus and the radial notch of ulna

Question 23

what is the neck of the radius held to?

Answer 23

held to the ulna by an anular ligament

Question 24

what inserts in the radial tuberosity of radius?

Answer 24

biceps brachii

Question 25

what is the styloid process of radius?

Answer 25

surface landmark, palpable

Question 26

what bones make up the carpus, metacarpus, and phalanges?

Answer 26

carpal, metacarpals, and phalanx bones

Question 27

what is the classification of carpals and how many are there?

Answer 27

8 carpal bones- short bones

Question 28

what is the classification of metacarpals and what do they form?

Answer 28

long bones, form the palm of your hand

Question 29

how are the phalanges organized?

Answer 29

numbered 1-5 from lateral (thumb) to medial, have proximal, distal and middle phalanges

Question 30

the radius and ulna articulate with each other both proximally and distally at small joints called? they are connecting along their length by a flexible..?

Answer 30

called radioulnar joints, flexible interosserous membrane

Question 31

3 bones that make up each hip bone?

Answer 31

ilium, pubis, ischium

Question 32

what does the iliac fossa of the hip bone help support?

Answer 32

the abdominal organs and iliacus muscle originates here

Question 33

what articulates at the acetabulum?

Answer 33

the femur

Question 34

what is the ischial tuberosity?

Answer 34

you sit on them, muscles of the hamstring group originate here

Question 35

what runs through the obturator foramen?

Answer 35

a large nerve

Question 36

what joins with the symphyseal surface?

Answer 36

the opposite pubic bone to form the pubic symphysis

Question 37

what articulates with the auricular surface?

Answer 37

the sacrum

Question 38

what does the pelvis consist of?

Answer 38

right and left hip bones, sacrum, coccyx

Question 39

what is the anterior joint between the pubic bones of the hip bones called?

Answer 39

pubic symphysis

Question 40

what are the posterior joints between the hip bones and the sacrum called?

Answer 40

right and left sacroiliac joints

Question 41

4 ways the female pelvic differs from the male pelvis?

Answer 41

- pubic angle is broader - acetabula is smaller and further apart - tilted more forward - lighter and less thick bones

Question 42

head of femur articulates with?

Answer 42

acetabulum of hip

Question 43

neck of femur is often a site of ?

Answer 43

fracture

Question 44

greater trochanter is the insertion site for?

Answer 44

gluteus medius and minimus, deep lateral rotator muscles

Question 45

lesser trochanter is a site of attachment for?

Answer 45

iliopsoas muscle

Question 46

what inserts at the gluteal tuberosity?

Answer 46

the gluteus maximus

Question 47

what articulates with the patellar surface?

Answer 47

the patella

Question 48

what does the patella do and how would u classify it?

Answer 48

protects the knee joint anteriorly and improves leverage of the thigh muscles. prevents friction from occurring where the quadriceps tendon crosses the joint. -flat bone/ sesmoid

Question 49

what are the two condyles on the tibia called?

Answer 49

medial tibial condyle and lateral tibial condyle

Question 50

what is the medial malleolus on ur body?

Answer 50

the medial ankle bone

Question 51

the head of the fibula articulates with?

Answer 51

the tibia

Question 52

the lateral melleolus of the fibula is?

Answer 52

the lateral ankle bone

Question 53

how many tarsal bones are there and which is the heel bone?

Answer 53

7 tarsal bones. | the calcaneus is the heel bone

Question 54

sacroiliac is the joint between?

Answer 54

the sacrum and the ilium of the coxal bone

Question 55

what type of cartilage forms the pubic symphysis joint?

Answer 55

fibrocartilage, superior rami of both pubic bones join at their symphyseal surfaces with cartilage to form the pubic symphsis

Question 56

what joint is the most complex in the body?

Answer 56

the knee joint. subject to more than usual wear and tear due to the weight-bearing loads/

Question 57

what type of cartilage forms the menisci?

Answer 57

fibrocartilage

Question 58

what are the functions of the lateral and medial menisci?

Answer 58

provide support to protect from side to side rocking

Question 59

there are cruciate ligaments, anterior and posterior, what are their functions?

Answer 59

to hold knee in place and provide stability

Question 60

what type of tissue forms tendons and ligaments?

Answer 60

dense irregular CT

Question 61

what ligaments are usually torn from blow to the lateral side of the knee/

Answer 61

MCL and ACL

Question 62

what happens when skeletal muscle contracts?

Answer 62

bone moves

Question 63

where does the movement of bone occur?

Answer 63

at joints or articulations

Question 64

joints are classified based on function and structure. what is structural classification vs. functional classification?

Answer 64

functional- amount of movement at the joint | structural- tissues holding bones together

Question 65

what is synarthrosis?

Answer 65

no movement; | suture, gomphosis, synchondrosis, synostosis

Question 66

what is ampiarthrosis?

Answer 66

slight movement; syndesmosis, symphysis

Question 67

what is diarthrosis?

Answer 67

freely moveable, synovial

Question 68

what is a suture?

Answer 68

sheet of dense fibrous CT connecting 2 cranial bones | example: skull

Question 69

what is gomphosis?

Answer 69

periodontal ligament formed from dense fibrous CT, holds tooth in bony socket

Question 70

what is synchondrosis?

Answer 70

rigid bridge of hyaline cartilage holds 2 bones together | example: first rib meets sternum

Question 71

what is synostosis?

Answer 71

bone tissue fuses 2 bones | when suture fully ossifys

Question 72

what is syndesmosis?

Answer 72

sheet of fibrous ct or band of fibrous ct holds 2 bones together, tibia to fibula

Question 73

what is symphysis?

Answer 73

wedge or pad of fibrous cartilage holds 2 bones together | intervertebral cartilages

Question 74

what is synovial?

Answer 74

a fluid filled capruls enclosing the joint between 2 ones | example: joints of arms and legs

Question 75

what are the 6 synovial joints?

Answer 75

gliding joint, saddle joint, pivot joint, ellipsoidal joint, hinge joint, ball and socket joint

Question 76

basic structure of a synovial joint: articular cartilage is composed of what tissue? joint cavity is filled with?

Answer 76

hyaline tissue | fluid

Question 77

articular capsule is composed of two layers?

Answer 77

dense irregular ct and synovial membrane