APPENDICULAR SKELETON

Appendicular skeleton

upper “appendage”

pectoral girdle clavicle

scapula

upper extremity

lower “appendage”

pelvic girdle pelvis

lower extremity

pectoral girdle = scapula + clavicle

scapula

muscular attachment to rib cage

muscular attachment for UE

glenoid cavity (fossa) attach upper extremity

acromion process

coracoid process

spine of scapula

supraspinous and infraspinous fossa

clavicle

stabilizes scapula

articulates with manubrium

humerus

head articulate with glenoid cavity

greater tubercle muscle attachments

lesser tubercle muscle attachments

intertubercular groove

deltoid tuberosity muscle attachment

trochlea articulate with ulna

capitulum articulate with radius

medial , lateral epicondyles muscle attachments

coronoid fossa

olecranon fossa

ulna

olecranon muscle attachments

trochlear notch articulate with trochlea

coronoid process

radial notch articulate with radius

styloid

radius

head articulates with capitulum

radial tuberosity proximal radioulnar joint

styloid

wrist and hand

carpal bones

proximal row scaphoid

lunate

triquetrum

pisiform

distal row trapezium

trapezoid

capitate

hamate

metacarpals

phalanges

pelvic girdle

pelvis ilium

ischium

pubic bone

sacroiliac joint joint between ilium and sacrum

acetabulum articulate with femoral head

obturator foramen covered by fibrous c.t.

muscle attachments

protects pelvic organs

allow passage of infant

allow passage of infant

pelvic landmarks

ilium: iliac crest ala iliac fossa

ASIS AIIS

PSIS PIIS

greater sciatic notch

arcuate line

auricular surface

ischium: body and ramus

ischial spine

lesser sciatic notch

ischial tuberosity

pubis = pubic bone

superior and inferior ramus

pubic crest and tubercle

iliopectineal line

femur

head articulate with acetabulum

neck

greater trochanter muscle attachments

lesser trochanter muscle attachments

intertrochanteric crest and line

gluteal tuberosity attach gluteal muscle

linea aspera muscle attachments

patellar surface articulate with patella

condyles articulate with tibia

epicondyles muscle attachments

adductor tubercle muscle attachments

patella

sesamoid bone

within quadriceps tendon

increased leverage for knee extension

tibia

medial, lateral condyles articulate with femur

hold meniscus

tibial tuberosity muscle attachments

intercondylar eminence attach ligaments

medial malleolus supports ankle joint

fibula

head superior tibiofibular joint

lateral malleolus supports ankle joint

interosseous membrane stabilizes fibula

muscle attachments

ankle and foot

tarsal bones

talus

calcaneus

navicular

cuneiforms

cuboid

metatarsals

phalanges