LegitBodyFix
Log in
All corrective movement strategies

Corrective movement strategy

Valgus Knee (Knee Moving Inward)

Explore comfortable control of the foot, knee, and hip during squats, steps, landings, and single-leg tasks.

  • control
  • 10 min
  • Knee
  • Hip & pelvis
  • Ankle & foot
Valgus Knee (Knee Moving Inward)

Typically overactive / tight

Typically underactive / weak

Tight muscles

Adductor brevis＋

Adductor brevis

Muscle dictionary
Rotating Anatomography model highlighting the adductor brevis in the medial thigh
BodyParts3D / Anatomography, Wikimedia Commons, CC BY-SA 2.1 JP
Image source
Functions
Adducts the thigh and assists hip flexion and medial rotation
Origin
Body and inferior ramus of the pubis
Insertion
Pectineal line and proximal linea aspera of the femur
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs
Adductor longus＋

Adductor longus

Muscle dictionary
Anterior anatomical illustration highlighting the adductor longus muscle
Berichard, Wikimedia Commons, CC BY-SA 3.0
Image source
Functions
Adducts the hip and assists hip flexion and medial rotation
Origin
Body of the pubis inferior to the pubic crest
Insertion
Middle third of the linea aspera of the femur
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs
Adductor magnus＋

Adductor magnus

Muscle dictionary
Anatomical rendering highlighting the adductor magnus muscle of the medial thigh
BodyParts3D / Anatomography, Wikimedia Commons, CC BY-SA 2.1 JP
Image source
Functions
Adducts the hip; the adductor portion assists flexion while the hamstring portion assists extension
Origin
Inferior pubic ramus, ischial ramus, and ischial tuberosity
Insertion
Linea aspera and adductor tubercle of the femur
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs
Biceps femoris＋

Biceps femoris

Muscle dictionary
Posterior anatomical illustration highlighting the long head of the biceps femoris muscle
Gray's Anatomy, modified by Mikael Haggstrom, Wikimedia Commons, public domain
Image source
Functions
Flexes the knee and laterally rotates the flexed leg; the long head also extends the hip
Origin
Ischial tuberosity and linea aspera of the femur
Insertion
Head of the fibula
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs
Fibularis brevis＋

Fibularis brevis

Muscle dictionary
Lateral anatomical rendering isolating the fibularis brevis in the outer lower-leg compartment
BodyParts3D / Anatomography, Wikimedia Commons, CC BY-SA 2.1 JP
Image source
Functions
Everts and assists plantarflexion of the foot and contributes to lateral ankle control
Origin
Distal lateral surface of the fibula
Insertion
Tuberosity at the base of the fifth metatarsal
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs
Fibularis longus＋

Fibularis longus

Muscle dictionary
Lateral anatomical illustration highlighting the fibularis longus muscle
Henry Vandyke Carter, Gray's Anatomy, Wikimedia Commons, public domain
Image source
Functions
Everts and plantarflexes the foot and helps support the transverse and lateral arches
Origin
Head and upper lateral surface of the fibula
Insertion
Base of the first metatarsal and medial cuneiform on the plantar foot
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs
Fibularis tertius＋

Fibularis tertius

Muscle dictionary
Rotating Anatomography model distinctly highlighting the fibularis tertius muscle
DBCLS / Anatomography, Wikimedia Commons, CC BY-SA 2.1 JP
Image source
Functions
Dorsiflexes and everts the foot; it may be absent in some people
Origin
Distal anterior fibula and adjacent interosseous membrane
Insertion
Dorsal base of the fifth metatarsal
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs
Tensor fasciae latae＋

Tensor fasciae latae

Muscle dictionary
Anterior anatomical illustration highlighting the tensor fasciae latae muscle
Modified by Uwe Gille, Wikimedia Commons, public domain
Image source
Functions
Flexes; abducts; and medially rotates the hip and helps stabilize the knee through the iliotibial tract
Origin
Anterior superior iliac spine and adjacent anterior iliac crest
Insertion
Iliotibial tract
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs

Weakened muscles

Gluteus maximus＋

Gluteus maximus

Muscle dictionary
Posterior anatomy plate highlighting the gluteus maximus muscle
Gray's Anatomy, adapted by Mikael Häggström, public domain
Image source
Functions
Extends and laterally rotates the hip and contributes to powerful rising; climbing; and propulsion
Origin
Posterior ilium, sacrum, coccyx, and sacrotuberous ligament
Insertion
Iliotibial tract and gluteal tuberosity of the femur
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs
Gluteus medius＋

Gluteus medius

Muscle dictionary
Anatomography 3D anatomical illustration isolating the gluteus medius muscle on the pelvis and femur
BodyParts3D / Anatomography, CC BY-SA 2.1 Japan
Image source
Functions
Abducts the hip and helps stabilize the pelvis during single-leg support; anterior fibers assist medial rotation
Origin
External surface of the ilium between the anterior and posterior gluteal lines
Insertion
Lateral surface of the greater trochanter of the femur
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs
Popliteus＋

Popliteus

Muscle dictionary
Gray's Anatomy posterior knee plate highlighting the popliteus muscle
Henry Vandyke Carter / Gray's Anatomy, Wikimedia Commons, public domain
Image source
Functions
Unlocks the knee from full extension by medially rotating the tibia on the femur; and assists knee flexion and rotational control
Origin
Lateral femoral condyle and lateral meniscus
Insertion
Posterior tibia superior to the soleal line
OpenStax Anatomy and Physiology 2e — Pelvic Girdle and Lower Limbs