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It is immunization day at the health center. The first patient is a 2-month old well female infant who is scheduled for the following vaccinations: pneumococcal conjugate vaccine (PCV), pentavalent vaccine (Penta) and oral polio vaccine. PCV and Penta are given via intramuscular route. Where are the sites of injection? What muscle is targeted in the injection? Write down its origin, insertion and action. How do you locate this area?
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SITE OF INJECTION - Anterolateral Thigh
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MUSCLE TARGETED - Vastus Lateralis
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ORIGIN - Intertrochanteric line, greater trochanter, gluteal tuberosity, linea aspera of femur
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INSERTION - Tibial tuberosity (via patellar ligament), patella, (lateral condyle of tibia)
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ACTION - Extends the lower leg
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HOW TO LOCATE - Below the greater trochanter of the femur, upper lateral quadrant of the thigh
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The baby’s 65-year-old grandfather also came to the center because influenza vaccine is being offered to senior citizens. The flu vaccine is given intramuscularly. Which muscle is the preferred site for IM injection in this case? Write down its origin, insertion and action. How do you locate this area?
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SITE OF INJECTION - Upper Arm
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MUSCLE TARGETED - Deltoid
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ORIGIN - Lateral 1/3 of Clavicle (clavicular part), Acromion (acromial part), Spine of Scapula (spinal part)
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INSERTION - Deltoid tuberosity of humerus
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ACTION - Arm abduction at shoulder joint, extend and laterally rotate arm at shoulder joint
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HOW TO LOCATE - Locate the acromion process and the tip (by the armpit) of the imaginary triangle. The center of this triangle is the vaccination site (1-3 inches or 3 fingers below the acromion process) .