Quadriceps
Quadriceps

Quadriceps

Note:
BETAUnder development and includes placeholder images
Region
Pelvis
TCM Organ
Yin/Yang
Yang
TCM Element
Muscle Physical
stomach, digestive qi
Spine

Muscle

Origin:

Rectus femoris - Anterior inferior iliac spine and anterior superior rim of the acetabulum.

Vastus lateralis - Anterior, inferior border of the greater trochanter and proximal 1/2 of lateral lip of the Linea aspera of the femur.

Vastus intermedius - Anterior and lateral surface of the femur, proximal 2/3 of the femur, and the distal 1/2 of the linea aspera and lateral intermuscular septum.

Vastus medialis – Distal 1/2 of intertrochanteric line, medial linea aspera, proximal medial supracondylar line, tendons of adductor longus & adductor magus and medial intermuscular septum.

Insertion: Proximal border of patella & through patella ligament to tuberosity of tibia.

Action: Extends the knee, Rectus femoris flexes the hip as well as extends the knee.

Monitoring

Position: supine, hip flexed 80°, knee flexed 80°.

Rotation: None required.Stabilise: opposite ASIS.

Monitor: Apply pressure at the leg above the ankle to flex the knee.

Corrections

ASSOCIATIONS:

Nerve Supply: Femoral - L2, L3, L4.

Visceral Nerves:

Sympathetic: T5-T9

Parasympathetic: Vagus X

Neuro-Lymphatic Reflex:

Anterior: Medial 1/2 of the 5th rib space on the left side for both muscles though occasionally right too.

Posterior: 2cm lateral to midline between T6 & T7 on the left.

Neuro-Vascular Reflex: Bilateral frontal eminences.

Yuan point: St42