OCTA 206 Final Exam/Final Practicum Flashcards
What does the pelvic girdle consist of?
sacrum
coccyx
hip bones (two)
What is the pelvic girdle also referred to as?
pelvis
What are the 3 pelvic bones that make up the hip bones?
ilium
ischium
pubis
What are the primary functions of the hip joint?
weight bearing
locomotion (walking)
What are the bony landmarks of the ilium?
iliac crest iliac fossa iliac tuberosity posterior superior iliac spine (PSIS) anterior superior iliac spine (ASIS) greater sciatic notch
The greater sciatic notch lets you know what?
that you are posterior
What are the bony landmarks of the ischium?
ischial spine body ischial tuberosity ramus lesser sciatic notch
What are the bony landmarks of the pubis?
superior pubic ramus
inferior pubic ramus
body
tubercle
What are the motions of the pelvic girdle?
Anterior tilt
Posterior tilt
Lateral tilt
tilt occurs when the pelvis tilts backward, moving the ASIS posterior to the pubis symphysis
Posterior tilt
tilt occurs when the two iliac crests are not leveled (walking)
Lateral tilt
the anterior superior iliac spine and pubis symphysis are in the same vertical plane
Neutral
What type of joint is the hip joint?
ball and socket joint
What plane does flexion, extension, and hyperextension occur in?
sagittal plane
What plane does abduction and adduction occur in?
frontal plane
What plane does medial (internal) and lateral (external) rotation occur in?
transverse plane
What are the bony landmarks of the hip bones?
acetabulum
obturator foramen
greater sciatic notch
the longest, strongest and most heaviest bone in the body
Femur
What are the bony landmarks of the femur?
head neck greater trochanter lesser trochanter trochanteric fossa intertrochanteric crest body medial condyle lateral condyle lateral epicondyle medial epicondyle adductor tubercle linea aspera pectineal line patellar surface
joint has 7 two joint muscles that have one action of the hip and another on the knee
Hip joint
The hip joint anterior muscles are known as
Flexors
What are the hip flexors?
Iliopsoas
Pectineus muscle
Rectus femoris
Sartorius
Iliopsoas consists of what 3 muscles?
iliacus
psoas major
psoas minor
O: inner surface of ilium
I: lesser trochanter of femur
A: hip flexion
N: femoral
iliopsoas muscle
O: AIIS
I: tibial tuberosity
A: hip flexion, knee extension
N: femoral nerve
rectus femoris muscle
O: AIIS
I: proximal medial aspect of tibia
A: hip flexion, abduction, lateral rotation, and knee flexion
N: femoral nerve
sartorius muscle
O: superior ramus of pubis
I: pectineal line of femur
A: hip flexion and adduction
N: femoral nerve
pectineus muscle
The hip joint posterior muscles are known as?
Extensors
What are the hip extensors?
gluteus maximum
hamstrings
external rotators (deep muscles)
What are the hamstring muscles?
biceps femoris
semitendinosus
semimembranosus
O: posterior sacrum and ilium
I: posterior femur distal to greater trochanter
A: hip extension, hyperextension, lateral rotation
N: inferior gluteal nerve
gluteus maximus
O: ischial tuberosity
I :posterior surface of medial condyle of tibia
A: hip extension and knee flexion
N: sciatic nerve
semimembranosus muscle
O: ischial tuberosity
I: anteromedial surface of proximal tibia
A: hip extension and knee flexion
N: sciatic nerve
semitendinosus muscle
O: long head- ishial tuberosity, short head- lateral lip of linea aspera
I: fibular head
A: long head- hip extension/knee flexion, short head- knee flexion
N: long head- sciatic nerve, short head- common fibular nerve
biceps femoris muscle
What are the 3 one-joint hip adductors?
adductor longus
adductor brevis
adductor magnus
O: pubis
I: middle third of the linea aspera
A: hip adduction
N: obturator nerve
adductor longus muscle
O: pubis
I: pectineal line and proximal linea aspera
A: hip adduction
N: obturator nerve
adductor brevis muscle
O: ischium and pubis
I: entire linea aspera and adductor tubercle
A: hip adduction
N: sciatic and obturator nerve
adductor magnus muscle
What are the hip abductor muscles?
gluteus medius
gluteus minimus
tensor fasciae latae
external rotators
O: outer surface of the ilium
I: lateral surface of the greater trochanter
A: hip abduction
N: superior gluteal nerve
gluteus medius
O: lateral surface of ilium
I: anterior surface of the greater trochanter
A: hip abduction and medial rotation
N: superior gluteal nerve
gluteus minimus muscle
O: AIIS
I: lateral condyle of tibia
A: combined hip flexion and abduction
N: superior gluteal nerve
tensor fascia muscle
What is the only hip adductor muscle that is a two-joint muscle
gracilis
What are the 4 hip adductor muscles?
adductor longus
adductorbrevis
adductor magnus
gracilis
O: pubis
I: anteromedial surface of proximal end of tibia
A: hip adduction
N: obturator nerve
gracilis
nerve that innervates muscles on the anterior surface of the hip and thigh (hip flexors)
femoral nerve
- largest synovial joint in the body
- one of the most frequently injured joints
- supported/maintained by muscles and ligaments with no stability
Knee (tibiofemoral) Joint
What type of joint is the knee joint?
Hinge joint
What motions occur at the knee joint?
Flexion and extension
What are the bones of the knee joint?
Femur- enlarge femoral condyles
Tibia- medial/lateral tibia plateaus
Patellar- floating bones
The knee joint is also called?
Tibiofemoral joint
main function involve increasing the mechanical advantage of the quadriceps muscle and protecting the knee joint
Patellofemoral joint