Difficulty
intermediate
Max Volume
2.5ml
Needle Gauge
23-25G
Needle Length
1-1.5"
Description
The rectus femoris runs down the front of the thigh. While accessible, it tends to be more painful and prone to PIP than the vastus lateralis.
PIP Likelihood:
★
★
★
★
★
Injection Technique
1. Sit down with leg relaxed 2. Use the middle third of the front thigh 3. Stay centered on the front of the leg 4. Clean the area 5. Pinch the muscle if needed 6. Insert at 90-degree angle 7. Aspirate and inject slowly 8. Withdraw and massage gently
Rotation Schedule
Can rotate with vastus lateralis sites. Allow 5-7 days between injections in the same site.
Common Mistakes
Injecting while standing (muscle tension), not using middle third, injecting too close to the knee.
⚠️ Nerve & Safety Warnings
Femoral nerve and vessels run nearby on the inner thigh. Stay on the front center of the thigh.