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Tensor fascia latae

Contents

Anatomy

Tensor fascia latae - anterolateral view
Tensor fascia latae - anterior view
Tensor fascia latae - posterolateral view
Tensor fascia latae - insertion

Position

  • Superficial

Origin

  • SIAS (Spina iliaca anterior superior)
  • Anterior aspect of ilium
  • Deep surface of fascia lata

Insertion

  • Iliotibial band
    • From proximal 1/3 to middle 1/3 of it's length

Main function

Pelvis

  • Anterior tilt

Hip

  • Flexion
  • Abduction
  • Medial rotation

Secondary function

Pelvis

  • Ipsilateral rotation

Hip

  • Depression

Knee

  • Extension

Nerve innervation

  • Segmental
    • L4-S1
  • Peripheral
    • Nervus glutealis superior

Arterial supply

  • Glutealis superior artery
  • Deep femoral artery

Referred pain pattern

Tfl - pain pattern

Muscle Type

  • Postural
    • Shortens when overactivated

Symptoms

  • Trochanter bursitis
  • Problems lying on affected side
  • Paraesthesia along lateral thigh

Muscular attachments

Videos

Short version

Detailed version

Variation 1, short version

Variation 1, detailed version

Variation 2, short version

Variation 2, detailed version

Myofascial lines

Lateral line

Spiral line