- PCV and Penta Vaccine
Site of Injection: Anterolateral thigh
Targeted Muscle: Vastus lateralis
Origin: Greater trochanter and linea aspera of femur
Insertion: Patella (via quadriceps tendon)
Action: Extends the knee joint, moving the lower leg forward
How to locate: To landmark the vastus lateralis, position the patient lying down or being held by a parent. Palpate the muscle below the greater trochanter and above the lateral femoral condyle (knee joint). Divide the muscle into thirds and administer the injection into the middle third of the muscle, in the outer anterolateral aspect, lateral to the midpoint of the thigh.
2. Flu Vaccine
Site of Injection: Lateral area of the upper arm
Targeted Muscle: Deltoid
Origin: Acromial extremity of clavicle, acromion of scapula, spine of scapula
Insertion: Deltoid tuberosity of humerus
Action: Lateral fibers abduct arm at shoulder joint; anterior fibers flex and medially rotate arm at shoulder joint; posterior fibers extend and laterally rotate arm shoulder joint
How to locate: To landmark this site, the patient should be sitting comfortably with their arm visible from the shoulder to the top of the elbow. Palpate the acromion (outer edge of the scapula) and trace an imaginary inverted triangle below the shoulder. The injection should be given 3-5 cm below the acromion, in the middle of the triangle.