Appendicular Skeleton Flashcards
Scapula
Two bones often called the shoulder blades
Superior border
Superior edge
Medial border
Medial edge, next to vertebral column
Lateral border
Lateral edge, next to the axilla
Superior angle
Between superior and medial borders
Lateral angle
Inferior glenoid fossa
Inferior angle
Between medial and lateral borders
Acromion process
Lateral point of the shoulder, articulates with clavicle
Coracoid process
Inferior and anterior to acromion process
Glenoid fossa or cavity
Shoulder “socket”
Spine of the scapula
Posterior structure
Supraspinous fossa -
Posterior, superior to spine
Infraspinous fossa
Posterior, inferior to spine
Subscapular fossa
Anterior, concave towards rib cage
Clavicle
Two bones that connect to sternum on either side
Sternal end
Medial end, articulates with sternum
Acromial end
Lateral end, articulates with acromion process
Humerus
Previously known as brachial bone
Head
Smooth rounded proximal portion
Anatomical neck
Narrowing distal to head
Greater tubercle
Proximal
Intertubercular groove (bicipital)
Between 2 tubercles
Deltoid tuberosity
Lateral shaft
Olecranon fossa
Posterior, inferior fossa for olecranon process
Capitulum
Distal, lateral smooth, rounded knuckle
Trochlea
Distal, medial, pointed knuckle
Medial and lateral epicondyle
Bony mass proximal to the capitulum and trochlea
Ulna
Medial forearm bone
Olecranon process
Proximal, posterior, point of elbow, fits in olecranon fossa,
superior lip of trochlear notch
Radial notch
Articulates with head of radius
Trochlear notch
Articulates with the trochlea from the humerus
Head
Distal end
Styloid process
Distal, projection from head
Coronoid process
Inferior lip of trochlear notch
Radius
Lateral forearm bone
Head
Proximal end, looks like spool
Neck
Distal to head
Radial tuberosity
Proximal end
Ulnar notch
Distal end, articulates with ulna
Styloid process
Distal end, projection on lateral side
Carpals
Two rows of 4. Some lovers try positions that they can’t handle!
Names lateral to medial, proximal row then distal ro
Scaphoid
Looks like a boat or spoon
Lunate
Moon shaped
Triquetral
Triangular shaped, superman sign
Pisiform
Pea shaped
Trapezium
Small table or stool shaped
Trapezoid
Four sides but not really square
Capitate
Dome, darth vader
Hamate
Has a hook
Metacarpals
Five bones, numbered from the lateral (thumb/pollex) side
Phalanges (Phalanx for one)
Each finger has 3 except the pollex that only has 2
Sacrum
Posterior portion of girdle.
Os Coxa (innominate bone)
Hip bones that form anterior and lateral portions of girdle. 3
fused bones (ischium, ilium, pubis
Acetabulum
Cup shaped cavity on lateral aspect of girdle, holds head of
femur
Obturator foramen
Largest foramen, between ischium and pubis
Ilium
Superior portion of hip bone
Iliac crest
Superior border
Anterior Superior Iliac Spine (ASIS)
Anterior, superior
Anterior Inferior Iliac Spine (AIIS)
Anterior, inferior
Posterior Superior Iliac Spine (PSIS)
Posterior, superior
Posterior Inferior Iliac Spine (PIIS)
Posterior, inferior
Greater sciatic notch
Inferior to PIIS
Iliac fossa
Anterior, concave surface distal to crest
Iliac tuberosity
Medial aspect of crest
Ischium
Posterior, inferior portion
Ischial spine
Inferior to greater sciatic notch
Lesser sciatic notch
Inferior to ischial spine
Ischial tuberosity
Inferior
Pubis
Anterior, inferior portion
Pubic symphysis
Cartilage between symphaseal surfaces
Pubic Crest
Area superior to symphaseal surfaces
Femur
Longest bones in the body
Head
Medial ball like structure that fits into the acetabulum
Neck
Lateral to head
Greater trochanter
Superior, lateral
Lesser trochanter
Posterior, inferior to head
Gluteal tuberosity
Posterior, lateral surface of shaft
Linea Aspera
Two lipped line on posterior shaft
Medial and Lateral condyles
Distal rounded knuckles
Intercondylar fossa
Notch found between condyles on posterior side
Medial and Lateral Epicondyles
Bony tissue superior to condyles
Patellar surface
Smooth anterior surface that articulates with patell
Patella
Knee caps, triangular in shape
Base
Superior surface
Apex
Pointy, inferior surface
Tibia
Weight bearing bone on the medial side of the lower extremity
Medial and Lateral Condyles
2 large, almost flat condyles on the superior surface and that
articulate with the condyles of the femur. They look like large
facets
Tibial tuberosity
Anterior and superior projection
Medial malleolus
Projection on the medial and distal side
Fibula
Long slender bones on the lateral side of the lower leg
Head
Rounded proximal end
Lateral malleolus
Projection on the lateral and distal side
Talus
Has large rounded top
Calcaneus
Largest tarsal, heel bone
Navicular
Anterior to talus, on medial side
Cuboid
Anterior to calcaneus, on lateral side
Cuneiforms (3)
Anterior to navicular, medial to cuboid
Metatarsals
Five bones, numbered from the medial (hallux) side
Phalanges (Phalanx for one)
Each toe has 3 except the hallux that only has 2