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Quadriceps Strains. Predisposing Factors Contact Sports Any cardiovascular problem that leads to decreased circulation Obesity Poor nutrition Previous.

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Presentation on theme: "Quadriceps Strains. Predisposing Factors Contact Sports Any cardiovascular problem that leads to decreased circulation Obesity Poor nutrition Previous."— Presentation transcript:

1 Quadriceps Strains

2 Predisposing Factors Contact Sports Any cardiovascular problem that leads to decreased circulation Obesity Poor nutrition Previous thigh injury Poor muscle conditioning Muscle fatigue

3 Mechanism of injury Prolonged overuse Violent single blow Tension forces on the quad muscles causing an overstretch

4 Signs and Symptoms Pain with knee extension and passive stretch Muscle spasm Swelling Loss of strength Crepitation Point tenderness over injury site Ecchymosis Defect in the muscle (third degree)

5 Examination and Evaluation Palpation –Rectus femoris –Vastus lateralis –Vastus medialis –Vastus intermedius

6 Examination and Evaluation Muscle Testing –A, RROM Knee Extension –A, RROM Hip Flexion –Passive stretch quadriceps muscle (combined knee flexion and hip extension)

7 Classifications Mild (Grade 1) – Slightly pulled without tearing of muscle tendon or fibers. No loss of strength Moderate (Grade 2) – Tearing of fibers in the muscle, tendon, or attachment to the bone. Strength is diminished. Severe (Grade 3) – Rupture of muscle- tendon-bone attachment with separation of fibers. Requires surgical repair

8 Referral/Diagnostic Procedure Orthopedic surgeon – for third degree. for third degree.

9 Treatment and management Cryotherapy – knee flexed positon Cold whirlpool NSAIDSUltrasoundMassage

10 Rehabilitation Stretching Isometric muscle contraction – Quad sets Straight leg raises Knee extensions Abduction exercises Adduction exercises PNF

11 Protection and Return to Competition Factors Sport specific strength and conditioning program Warm-up and cool-down Protective equipment such as thigh pads Neoprene sleeve for compression and support

12 For More Information ps_strain.htm ps_strain.htm rapist/front/frontthigh/quadstrain.htm rapist/front/frontthigh/quadstrain.htm chapt11.html#part5 chapt11.html#part5 ort183.html ort183.html


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