more ch. 7 Word Scramble
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Question | Answer |
Components of the appendicular skeleton | arm bones, leg bones, girdles |
Functions of the pectoral girdle | forms the shoulder, attach arm bones to the axial skeleton |
Components of girdles | clavicle, scapula |
Collar bone (little key) acts as a brace | clavicle |
Shoulder blade (shovel or blade) | scapula |
What structure is the funny bone? | the ulnae nerve that runs behind medial epicondyle of the humerous |
What is the pelvic girdle composed of? | hip bones, sacrum, coccyx |
Pair of coxal bones | hipbones |
Joint where coxal bones meet anteriorly | pubic symphosis |
Joint where each coxal bone meets sacrum posteriorly | sacrioiliac joints |
What are the functions of the pelvic girdle? | form hips, attach leg bones to axial skeleton |
Coxal bones consist of 3 fused bones | ilium (top), ischium (underneath in back), pubis (anterior) |
“vinegar cup” | acetabelum |
What does the acetabelum hold? | head of femur |
If acetebelum is improperly formed the bone may slip out of place causing | hip dysplasia |
What is the ilium composed of? | iliac crest, anterior superior iliac spine, greater sciatic notch, obturator foramen |
Thickened superior margin of the hip | iliac crest |
Used to find location for hip injections | anterior superior iliac spine |
Site where sciatic nerve passes, must be divided | greater sciatic notch |
Large opening, nearly closed up-few blood vessels and nerves pass through | obturator foramen |
Structure of pelvis | pelvic brim, false pelvis, true pelvis |
Imaginary line drawn from sacral promontory to pubic symphosis | pelvic brim |
Area above pelvic brim, does not constrict during childbirth, front wall muscle | false pelvis |
Area below pelvic brim, surrounded by bone, size of inlet and outlet must be large enough for baby’s head to pass through | true pelvis |
Modifications of female pelvis for childbearing | wider, shallower, pubic arch 80-90 degrees, true pelvis larger inlet-outlet, sacrum wider |
Segmented structure/can only hold weight if arched | arches of foot |
What are the arches of the foot composed of? | bones, ligaments |
Strong bands of connective tissue | ligaments |
Bones and ligaments are arranged into 3 arches | 2 longitudinal, 1 transverse |
Functions of the arches of the foot | distribute body weight, make walking and running more economical, provides strength |
Tendons and ligaments are composed of | fibrous connective tissue |
Usually attach muscle to bone | tendons |
Collagen fibers of tendon blend with | muscle fibers at one end |
Parallel collagen fibers are | shiny |
Bind 2 bones together | ligaments |
Ligaments are associated with | joints |
Ligaments limit range of motion | stability |
Created by:
charleen920
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