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36 Cards in this Set
- Front
- Back
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What are the types of synovial joints?
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ball and socket
ellipsoid plane hinge pivot saddle |
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define and give example of: ball and socket
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allows widest range of motion with ball of one bone fitting into the cup of another
hip |
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define and give example of: ellipsoid/condyloid
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two bones fit together with an odd shape
carpal - carpal joint of wrist |
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define and give example of: plane (gliding)
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allows for gliding and sliding
intervertebral joint |
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define and give example of: hinge
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allows extenstion and flexion along only one plane
knee |
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define and give example of: pivot
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one bone rotates around another
radioulnar joints |
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define and give example of: saddle
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allows same mvt as condyloid but looks like a saddle
metacarpal-carpal joint of thumb |
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define synarthroses and give example
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immovable
sutures |
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define amphiarthroses and give example
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slightly movable
pubic symphysis |
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define diarthroses and give example
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freely movable
hip joint |
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what are the three types of fibrous structural joints
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sutures, syndesmoses, and gomphoses
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define and give example of sydesmoses
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Bones are connected by a fibrous tissue ligament
Movement varies from immovable to slightly variable Examples include the connection between the tibia and fibula, and the radius and ulna |
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give example of gomphoses
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The peg-in-socket fibrous joint between a tooth and its alveolar socket
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what does the temporalis do?
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closes jaw
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what does the masseter do?
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prime mover of jaw closure
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what does the sternocleidomastoid do?
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flexes head
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what do scalenes do
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flex the neck
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what does the digastric do?
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opens mouth
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zygomaticus major/minor function
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raises lateral corners of mouth
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orbicularis oculi function
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closes eye
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orbicularis oris function
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purses lips
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platysma function
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pulls lower lip back and down
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trapezius function
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tilts head back
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teres major function
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adducts humerus
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rhomboideus major/minor function
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adducts scapula
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latissimus dorsi function
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primer mover of arm extension
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infraspinatus function
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stabilizes shoulder joint
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supraspinatus function
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stabilizes shoulder joint
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erector spinae function
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extenstion of vertebral column
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pectoralis major function
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prime mover of arm flexion
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pectoralis origin and insertion
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o: sternum
i: greater tubercle of humerus |
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serratus anterior function
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prime mover of scapula protraction
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deltoid function
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arm abduction
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deltoid origin and insertion
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o: acromion
i: deltoid tuberosity of humerus |
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triceps brachii function
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extension of elbow
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triceps brachii origin and insertion
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o: scapula or humerus
i: ulna |
