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CHAPTER 8

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  • appendicular skeleton (how many borns, forms?)


    126 bones that form limbs, pectoral, and pelvic girdles

  • function of appendicular skeleton


    facilitates locomotiona nd manipulation of object (grabbing stuff)

  • what does the pectoral girdle connect


    upper limbs to trunk and consists of clavicles and scapulae

  • what is the clavicle; what does it articulate on the medial end


    S-shaped bone; medial end articulates w/ manubrium of sternum creating sternoclavicular joint

  • lateral end of clavicle articulates with


    acronium of scapula to form acromiclavicular joint

  • scapula what is it?


    broad, flat, triangular bone

  • the glenoid cavity of the scapula articulates with the (finish sentence)


    glenohumeral joint

  • regions of the upper limb


    arm (brachium), forearm (antebrachium), and hand

  • each upper limb contain _ bones


    30

  • bones of arm


    humerus

  • bones of forearm


    radius (lateral) and ulna (medial)

  • bones of hand


    carpals (wrist), metacarpals (palm), phalanges (fingers)

  • what the humerus articulate with (3 things)


    proximally the scapula and distally the radius and ulna

  • proximal articulation of humerus (what is it)


    head articulates with the glenoid cavity of scapula to form shoulder joint

  • distal articulations of humerus


    trochlea medial with ulna, capitulum lateral with radius to form elbow joint

  • coronoid fossa (what it do)


    anterior portion, receives coronoid process of ulna

  • radial fossa


    anterior, receives head of radius

  • olecranon fossa


    posterior, receives olecranon process of ulna

  • ulna is positioned


    medially

  • radius is postioned


    laterally

  • ulna olecranon forms the


    elbow point

  • ulnat trocdhlear notch articulates with the


    humerus

  • ulna coronoid process forms the


    inferior margin of the trochlear notch

  • radial notch of ulna articulates with the _ and forms the


    radius and forms the proximal radioulnar joint

  • ulnar styloid process is a


    connective tissue attachment point

  • radial head articulates with the (2 things)


    capitulum of humerus and radial notch of ulna

  • radial tuberosity is a (attachment)


    biceps brachii attachment point

  • radial styloid process stabilizes


    wrist joint

  • ulnar notch articulates with head of (to form?)


    ulna to form distal radioulnar joint

  • pelvic girdle is copmosed of ?


    2 hip (coxal) bones

  • what are the hip bones formed by


    fusion of the ilium, ischium, and pubis

  • pelvis includes (bones)


    coxal bones, sacrum, coccyx

  • ilium (what is the region)


    superior & largest

  • ischium (region)


    postinferior region

  • what bears weight when sitting


    ischial tuberosity

  • pubis (region)


    anterior region

  • what does the pubic symphysis do and how


    unites left and right hipbones via fibrocartilag

  • acetabulum


    deep socket for articulation w femur creating hip joint

  • obturator foramen; what is it covered by and its function


    covered by collagen fibers serving as a muscle attachment site

  • articulates with sacrum forming sacroiliac joint


    auricular surface

  • thigh bone


    femur

  • longest and heaviest bone of lower limb


    femur

  • leg bones


    tibia and fibula

  • what bone is the medial portion, serving as a weight bearer


    tibia

  • bone thats lateral, serving as muscle attachment site


    fibula

  • foot bones


    tarsals, metatarsals, phalanges

  • head of femur articulates w/ __ to form __


    acetabulum to form hip joint

  • greater and lesser tronchanters, linea asepra


    muscle attachment sites

  • condyles function


    articulate with tibia to form knee joint

  • patella


    sesamoid bone embedded in quadricepts tendon

  • ligament attachments of patella and their direction


    quadriceps tendon (superior/anterior), patellar ligament (inferior, anterior)

  • tibia condyles articulate with


    femur to form knee joint

  • tibial tuberosity


    patellar ligament attachment

  • fibula head articulates with


    tibia to form proximal tibiofibular joint

  • lateral malleolus (what form)


    forms part of ankle joint