Muscle origin
Iliac crest, sacrum and coccyx.
Muscle insertion
Trochantor major, linea glutea and the IT band connecting to the Tibia and caput of Fibula
Muscle function
Hip extension and external rotation. Control of the Ilium, Sacrum and Coccyx bone, and thereby the SI joints. Control of the knee joint and Fibula bone. Stability of the lumbar spine through the “Back functional line”.
Nerver innervation
L5-S2 (Lovett reactor C1)
Primary muscle type
Phasic / Mixed type (50-60%)
Myofascial lines
Back functional line, Lateral line
Primary inhibitory muscles
Opposite Latissimus dorsi, Quadratus lumborum, Psoas major, Tensor fascia latae, Rectus femoris, Vastus lateralis, Vastus medialis, Biceps femoris, Peroneus longus, Tibialis anterior, Gastrocnemeus
Organ relationship (T5-L2, Sacrum)
it is very important that the client keeps the knee flexed min. 90 deg. to avoid the hamstring supporting to much.
Related joints
Lumbar, SI, hip and Tibia-fibula joint
Associated muscles:
Manual and practical therapy strategies that will help you find the root cause(s) and achieve faster and better results with your clients.
Functional Rehab Academy is a part of:
Move2Peak Academy ApS, Denmark
contact@functionalrehabacademy.com