Module 9 Flashcards
What are the bones of the pelvic girdle?
Ilium
Ischium
Pubis
Sacrum
What are the 3 functions of the pelvic girdle?
- Support (weight bearing and posture)
- Locomotion
- Works in mostly closed kinetic
What are the joints of the pelvic girdle?
Pubic symphysis
Sacroiliac Joint
Hip Joint
What kind of joint is the pubic symphysis?
Cartilaginous - amphiarthroses
What joint transmits the weight of the body to the lower extremities?
Sacroiliac Joint
What are the pelvic movements?
Anterior and Posterior Pelvic tilt
What happens to the lumbar spine during Anterior Pelvic Tilt?
Extension
What happens to the lumbar spine during the Posterior Pelvic Tilt?
Flexion
How much of the head make contact with the acetabulum in the hip joint?
70%
What muscles are the hip flexors?
Iliopsoas
Psoas Major
Iliacus
What are the hip extensor muscles?
Gluteus Maximum
How many degrees of freedom in the knee?
Technically 2
Flex/extend
rotation (lock knee)
What are the joints of the knee?
Tibiofemoral joint
Patellofemoral joint
What are the muscles of the Quads?
Rectus femoris
Vastus intermedius
Vastus medialis
Vastus lateralis
What are the actions of the quads?
Knee Extension
helps in hip flexion
What are the muscles of the hamstrings?
Semimembranosus
Semitendinosus
Biceps Femoris
What are the actions of the hamstrings?
Knee flexion
helps in hip extension
What are the actions of the gastroc?
Plantarflexion
Knee flexion