PNF Stretching: Contract-Relax (CR) Technique | Hamstring Flexibility
In this video, Dr. Donald Ozello demonstrates the Contract-Relax (CR) technique of Proprioceptive Neuromuscular Facilitation (PNF) stretching. This dynamic variation distinguishes itself from other PNF methods by using an Isotonic Contraction (movement against resistance) to facilitate muscle relaxation.
📋 Clinical Context: Contract-Relax vs. Hold-Relax While both techniques utilize Autogenic Inhibition, the execution differs significantly:
Hold-Relax (HR): Uses an Isometric contraction (no joint movement) followed by relaxation.
Contract-Relax (CR): Uses an Isotonic contraction (Concentric) where the doctor allows the leg to move through the range of motion against resistance.
Benefit: The dynamic nature of CR can often yield greater gains in functional range of motion for athletes.
Technique Breakdown:
Patient Position: Supine, leg passively raised to the point of mild tension.
Step 1 (Isotonic Contraction): Patient inhales and pushes the leg down (contracting hamstrings) while the doctor applies resistance but allows the leg to move back to the table (10 seconds).
Step 2 (Relax): Patient exhales and relaxes completely.
Step 3 (Stretch): The doctor passively moves the leg back up into a new, deeper range of hip flexion.
Duration: Hold the new stretch for 15-60 seconds. Repeat 3-5 times.
🚀 Complete Your Manual Therapy Toolkit Understanding when to use HR, CR, or HRAC is what separates a technician from a clinician. CCEDseminars offers advanced training on soft tissue and rehab protocols.
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Rehab Modules: Master the physiology of Autogenic vs. Reciprocal Inhibition.
Sports Medicine: PNF protocols for runners and powerlifters.
Lower Extremity: Integrate stretching with adjustment protocols.
🛠️ Recommended Rehabilitation Tools
1. Assisted Stretching: Stretch Out Strap For patients performing PNF at home, a rigid strap is essential to provide the resistance needed for the contraction phase. 👉 https://amzn.to/3ZoTln7
2. Myofascial Release: High-Density Foam Roller Rolling out the hamstrings before PNF stretching can improve tissue compliance and reduce resistance. 👉 https://amzn.to/4qsFHeF
👨⚕️ About Dr. Donald Ozello & CCEDseminars Dr. Donald Ozello is the owner of Championship Chiropractic in Las Vegas, NV, and the President of CCEDseminars. His mission is to provide high-quality, practical continuing education to the chiropractic community.
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⚖️ Disclaimers
Affiliate Disclaimer: This video description contains affiliate links. As an Amazon Associate, CCEDseminars earns from qualifying purchases. This comes at no extra cost to you.
Medical Disclaimer: This video is for educational purposes for healthcare professionals and students. It is not intended as medical advice. Always perform a thorough history and examination before applying manual therapy techniques.
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