UNC BIOL 252L - Lab 4 Appendicular Skeleton

Clavicle

sternoclavicular joint (saddle joint)

sternal end of the clavicle and the sternum (What kind of joint)

acromioclavicular joint

acromial end of the clavicle with the acromion

scapula

acromion

coracoid process of scapula

spine of scapula

supraspinous fossa

posterior

Infraspinous fossa

Posterior

subscapular fossa

anterior

Supraspinous, infraspinous, and subscapular fossae

Which 3 fossae for the rotator cuff muscles ?

head of the humerus

glenoid cavity

lateral

supraglenoid tubercle

infraglenoid tubercle

lateral, origin for

protraction - pulled laterally (away)
retraction - medially (toward)
elevation - up (shrug shoulders)
depression - down (heavy item)

What are the four movements of the scapula?

ball and socket joint

glenohumeral joint is a...

abduction - laterally (away)
adduction - medially (toward)
flexion - anteriorly (forward)
extension - posteriorly (back)
medial rotation - internal
lateral rotation - external

What are the 6 movements of the glenohumeral joint?

humerus

greater tubercle (humerus)

lateral

lesser tubercle (humerus)

anterior

intertubercular groove of humerus

anterior

anatomical neck of humerus

surgical neck of humerus

more susceptible to fractures

deltoid tuberosity of humerus

insertion of deltoid

trochlea

capitulum of humerus

radial fossa

anterior

coronoid fossa

olecranon fossa

medial epicondyle of humerus

Lateral epicondyle of humerus

humeroulnar joint (hinge joint)

ulna grips trochlea of humerus like a wrench

humeroradial joint

Ball and socket limited by interosseous membrane. Supination and pronation of arm.

radius

radial tuberosity

anterior

ulnar tuberosity

anterior

interosseous membrane of radius and ulna

HOLDS TOGETHER radius and ulna

Interosseous membrane of tibia and fibula

coronoid process of ulna

olecranon process of ulna

radial notch of ulna

radial notch of ulna articulates with radius for supination and pronation movements

proximal radioulnar joint

supination - palm facing anterior --> posterior

pronation - palm facing posterior --> anterior

What are the 2 movements of the radioulnar joint?

styloid process of radius

styloid process of ulna

carpals (8)

wrist bones

scaphoid

lunate

triquetrum

pisiform

trapezium

trapezoid

capitate

hamate

condyloid joints

describe the joints between the carpals

metacarpals (5)

phalanges (2 in thumb) (3 in fingers)

pollex

Radiocarpal joint (egg and socket)

flexion - bending fingers and wrist (anteriorly)
extension - posteriorly, (straighten fingers flex back wrist)
abduction - laterally
adduction - medially

CONDYLOID JOINT egg and socket

describe the four movements of the wrist/digits

ilium, pubis, and ischium

what three bones fuse to make the coxa?

ilium

pubis

ischium

`

acetabulum (fusion of coxa socket)

iliac crest

iliac fossa

anterior superior iliac spine

pubic symphysis (fused via fibrous joint)

sacroiliac joint

superior ramus of pubis

inferior ramus of pubis

obturator foramen

pubic tubercle

pectineal line of pubis

greater sciatic notch

(SCIATIC NERVE LARGEST IN BODY PASSES HERE)

ischial tuberosity

posterior

on the bottom of the inferior ramus of pubis

ischial spine

posterior

femur

head (femur)

neck (femur)

greater trochanter of femur

lesser trochanter of femur

medial condyle of femur

articulates with the tibia

What does medial & lateral condyles of femur articulate to

lateral condyle of femur

tibia

fibula

Head of the fibula (does not contact with femur)

Tibiofibular joints

what the fibula articulates with proximally and distally

patella

medial condyle of tibia

lateral condyle of tibia

tibial tuberosity

medial malleolus of tibia

lateral malleolus of fibia

talus

saddle joint

tibia, fibula, and talus bones

What are the three bones in the talocrural joint? + what kind of joint

hallux