lab 3- appendicular skeleton

how many bones are in the appendicular skeleton

126

joints that do not allow for any movement

synarthroses

what is an example of a synarthroses

sutures of the skull, epiphyseal lines in bones

joints that allow for a little movement thanks to the give of connective tissue

amphiarthroses

examples of amphiarthroses

ligamentous connections between the tibia and fibula and the pubic symphysis

joints that have free movement thanks to joint capsules that contain synovial fluid

diarthroses

what is the other name for diarthroses joints

synovial joints

examples of synovial joints that are unaxial

elbow and ankle joint

example of synovial joints that are biaxial

metacarpophalangeal joint

example of a multiaxial synovial joints

shoulder and hip

what is a plane joint

a joint that glides

where are common places to find a plane joint

wrist, tarsals

a spherical head of one bone fits into a cup-shaped fossa of another bone

ball-and-socket joint

what joints operate like a door

hinge joints

what are examples of hinge joints

elbows, fingers, toes

allows one bone to rotate around another

pivot joints

joints characterized by a convex surface of one bone that articulates in a concave depression of another bone

condylar joints

example of condylar joints

knuckles

joints found at the junction between the thumb metacarpus and the trapezium bone of the wrist

saddle joints

what type of joint is the knee joint (axis and typeS)

uniaxial synovial joint and hinge joint

what bones are in the knee joint

femur, patella, tibia

what does nonaxial mean

permits translational movement (moving side to side)

what does uniaxial mean

permits movement in one plane

what does biaxial mean

permits movement in two planes

what does multiaxial mean

permits movement in three planes

which joint types are nonaxial

plane and gliding

which joint types are uniaxial

hinge and pivot

which joint types are biaxial

condylar and saddle

which joint types are multiaxial

ball and socket

what is an articulation

locations in which two or more bones are joined together

what type of cartilage caps the epiphyses of bones in synovial joints? describe it

articular cartilage, a slippery gelatinous surface of hyaline cartilage

what does the synovial membrane do

lines synovial cavities and makes synovial fluid

what condition happens when the head of the femur or the acetabulum do not develop properly

hip dysplasia

what type of joint are hip and shoulder joints classified as

multiaxial synovial and ball and socket joints

what bone is used to sex a skeleton

the pelvis

this sex’s pelvis has a narrow pubic arch and brim, and a ventrally curved coccyx

male pelvis

this sex’s pelvis has a wider pubic arch, oval shaped pelvic brim and straight coccyx

female

how many carpal bones do we have in the body

16 total, 8 in each hand

what bone is the heel of the foot made of

calcaneus