Anterior Thigh

Quadriceps Strain










What is it?      

​The quadriceps muscles consist of the vastus lateralis, vastus medialis, vastus intermedius, and the rectus femoris. A strain is a tear in the muscle and can range in severity, from a very small tear to a complete rupture.
Acute strain injuries of the quadriceps commonly occur in athletic competitions such as soccer, rugby, and football. These sports regularly require sudden forceful eccentric contraction of the quadriceps during regulation of knee flexion and hip extension.

What does it feel like?

  • Sudden sharp pain at the front of the thigh.

  • You may have some swelling depending on the type and severity of the injury.

  • Thigh strains are graded 1 to 3 depending on how bad your injury is.

  • A grade 1 is mild and a grade 3 involves a complete or near-complete tear of the muscle.

Why does this happen?

There are generally three mechanisms of injury for a quadriceps strain:
1. Sudden deceleration of the leg (e.g. kicking),
2. violent contraction of the quadriceps (sprinting) and
3. rapid deceleration of an overstretched muscle (by quickly change of direction).

  • Higher forces across the muscle–tendon units with eccentric contraction can lead to strain injury.

  • Excessive passive stretching or activation of a maximally stretched muscle can also cause strains.

  • Of the quadriceps muscles, the rectus femoris is most frequently strained.

  • Several factors predispose this muscle and others to more frequent strain injury. These include muscles crossing two joints, those with a high percentage of Type II fibers, and muscles with complex musculotendinous architecture.

  • Muscle fatigue has also been shown to play a role in acute muscle injury.









What is it?      

Quadriceps contusion or a ‘cork thigh’, as it is commonly known, is the result of a severe impact to the thigh which consequently compresses against the hard surface of the femur (thigh bone). This often causes deep rupture to the muscle tissue and haemorrhage occurs, which is followed by inflammation. Such an injury can also occur in other body regions such as the calf or upper arm; however these are less common than in the thigh region.

This injury is often experienced in contact sports such as Australian football and rugby, or sports such as cricket, hockey or lacrosse where a hard ball or object may strike the thigh of a player.

What does it feel like?

At the time of this type of trauma a player may experience varying levels of pain and reduced range of motion.  The extent of pain and loss of movement will be dependent on the amount of force and the impact of the force at  the time of trauma. The traumatised area will become swollen and painful to touch.

Why does this happen?

  • Contact sports and sports that require quick starts, i.e. running races and other track events.

  • Warm up and cool down habits.

  • Off season/preseason/season training habits.

  • Poor muscle conditioning.

  • Playing position.

  • Level of competition.

  • Protective equipment use.

  • Playing experience.

  • Injury history, especially to the thigh, hip and/or knee.

  • Medical history of any bleeding disorder.

  • Age.

  • Poor nutrition.

  • Smoking history.

  • Obesity.

Lateral Femoral Cutaneous Nerve Entrapment









What is it?      

Nerves are some of the most important structures in our body. They are responsible for all movement, sensation and control all our bodily functions.Nerves need to slide and glide freely as we move for normal function to occur. The lack of adequate movement of the nerve creates signals that are received by the brain, and the brain then creates a protective response within the body. Conventional approaches to stretching are mostly ineffective at providing relief. 

What does it feel like?

Symptoms of lateral femoral cutaneous nerve entrapment may include anterior and lateral thigh burning, tingling, and numbness, which increase with standing, walking, or hip extension (and sometimes also with lying prone). Symptoms usually are unilateral but may be bilateral in rare cases. Sitting usually yields improvement, unless compressive forces, such as tight belts or garments, remain

Why does this happen?

  • Lateral Femoral Cutaneous Nerve (LFCN) symptoms occur when the LFCN is compressed (squeezed).

  • A variety of factors cause compression of the LFCN. These can include injury to the hip area; medical conditions like obesity, pregnancy, and diabetes; and wearing clothing that is too tight or belts in the waist area.

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