Unit 2_The Hip Flashcards
What kind of joint is the hip?
Ball and socket joint (Deep Acetabulum)
Designed for maximum support plus flexibility
What 2 components make up the hip joint?
Acetabulum
Femoral Head
What joint includes the femoral head (hyaline cartilage) articulating with the acetabulum (acetabular labrum)?
Femoroacetabular Joint (Hip Joint)
What is the hip joint also known as?
Femoroacetabular Joint
What do the following structures hold together?
Articular Cartilage on the Lunate Surface
Ligament of the Head of the Femur
Articular Cartilage on the Head of the Femur
Fat Pad in the Acetabular Fossa
Acetabulum
Acetabular Labrum
The Hip Joint (Femeroacetabular Joint)
What is the acetabulum made up of?
Articular Surface (Lunate Cartilage)
Acetabular Labrum (Deepens the socket)
What ligament of the hip joint limits hip abduction and prevents inferior dislocation?
Pubofemoral Ligament
What ligament of the hip joint limits hip extension (looks like a Y)?
Iliofemoral Ligament (Y Ligament of Bigalow)
What ligament of the hip joint limits hip internal rotation?
Ischiofemoral Ligament
What muscle functions as a powerful hip extensor, assists knee extension via the Iliotibial band, and is innervated by the Inferior Gluteal Nerve?
Gluteus Maximus
What muscle includes an anterior, middle, & posterior part, provides hip abduction, functions as the ‘deltoid’ of the hip, and is innervated by the Superior Gluteal Nerve?
Gluteus Medius
What muscle functions as providing hip abduction, flexion, internal rotation, and is innervated by the Superior Gluteal Nerve?
Gluteus Minimus
What Gluteal muscle is located behind the posterior gluteal line?
Gluteus Maximus
What Gluteal muscle is located at the posterior gluteal line/anterior gluteal line?
Gluteus Medius
What Gluteal muscle is located at the anterior gluteal line/inferior gluteal line?
Gluteus Minimus
