chapter 9 connect
what are two characteristic of protraction
1. an anterior movement of the bone 2. movement along the transverse plane
which joint classifications are used to describe how the bone ends of a joint are held together
1. bony 2. fibrous 3. cartilaginous 4. synovial
What are some example of synostoses
1. closure of an epiphyseal plate 2. the joining of left and right halves of the mandible
which of the following are found in a joint capsule
1. fibrous capsule 2. synovial membrane
what are the two articulations of the elbow joint
1. humeroradial 2. humeroulnar
what describes a suture
1. immobile or slightly mobile 2. Fibrous joint
within the knee joint which structures absorb shock
1. menisci 2. articular cartilage
what three factors contribute to the range of motion at a joint
1. structure of bony articular surface 2. the action of muscles and tendons 3. the strength of ligaments and joint capsules
what are the four muscles of the rotator cuff
1. subscapularis 2. Teres minor 3. infraspinatus 4. supraspinatus
what are the three types of fibrous joints
1. sutures 2. gomphosis 3. syndesmosis
list the types of cartilaginous joints
1. synchondroses 2. symphyses
what are the functions of the menisci of the knee
1. to absorb shock 2. to prevent side-to-side sliding of femur
The temporomandibular joint is separated into superior and inferior chambers by which of the following
An articular disc
Hyperextension at the knee is prevented by which ligament
Anterior cruciate, (ACL)
what is the hyaline cartilage found at the end of the bones within a synovial joint called
Articular cartilage
which class is a lever with the effort between the fulcrum and the resistance
Third class
what is the function of the posterior cruciate ligament
To prevent the tibia from being displaced backward
what is moving a body part in the frontal plane away from the midline of the body called
abduction
the stability of the hip joint is primarily due to the depth of the
acetabulum
what ligament holds the head of the radius within the radial notch
anular ligament
chronic pain and inflammation of a joint is called
arthritis
what is the science of joint structure, function, and dysfunction called
arthrology
which structure is found between the bones of the temporomandibular joint
articular disc
what is a glenohumeral joint
ball and socket joint
based on the number of axes of rotation, plane joints are usually classified as
biaxial joints
Based on their degree of freedom, condylar joints are classified as
bixial joints
a synovial fluid filled sac located between muscles or where a tendon passes over a bone is a
bursa
what does flexing a joint do
decreases the angle between bones
what is an example of a second class lever
depressing the jaw at the temporomandibular joint
because it is a freely moveable joint, a synovial joint is also called
diarthrosis
The displacement of a bone from its normal position is called a
dislocation
what is movement of the foot upwards, as when walking on your heels, called
dorsiflexion
what is a third class lever
elevating the jaw at the temporomandibular joint
which movement raises a body part vertically in the frontal plane
elevation
which movement straightens a joint, returning it to zero position
extension
what is an example of a first class lever
extension of the arm at the elbow
curling a dumbbell is an example of which action at the elbow
flexion
within a musculoskeletal lever system, the joint acts as the
fulcrum
What is it called to turn the soles of the foot medially
inversion
which joint is the most complex diarthrosis in the body
knee
bending at the waist to either the left or right side is an example of which movement
lateral flexion
what is an elongated structure that is utilized to generate a mechanical advantage around a fulcrum
lever
what is the function of synovial fluid
lubrication
The two C-shaped cartilages found in the joint cavity of the knee are collectively called the
menisci
considering axes of rotation, a hinge joint is classified as what because it allows movement in just one plane
monaxial
based on their degree of freedom, ball and socket joints are
multiaxial
A movement that turns the palm forward or upward is called
supination
intervertebral discs comprised of fibrocartilage are found within what type of joints
symphyses
True or False Bony joints are formed by ossification of either fibrous or cartilaginous joints
true
what describes pronation
turning the palm posteriorly
what is a trauma to a joint that causes a tear, or a partial tear to a ligament or tendon
a sprain
a strip of tough collagenous tissue attaching a muscle to a bone is called
a tendon
what is synchondrosis held together by
hyaline cartilage
which two characteristics describe abduction
1. A movement along the frontal plane 2. A movement away from the midline of the body
which two characteristic describe abduction
1. A movement along the frontal plane 2. a movement away from the midline of the body
what two terms that describe a point where two bones meet
1. Articulation 2. joint
what describes locking the knees?
1. It permits a conservation of energy 2. it occurs at full extension
what two characteristic describe retraction
1. Movement along the transverse plane 2. A posterior movement of a bone
What can tendons function as
1. Stabilize a joint 2. attach muscle to bone
what are the four bursae of the shoulder joint
1. Subarcomial 2. subsacpular 3. subdeltoid 4. subcoracoid
What are the four most important muscles that stabilize the shoulder joint
1. Subscapularis 2. Ters minor 3. infraspinatus 4. supraspinatus
which two bones articulate to form the jaw joint
1. Temporal 2. Mandible
what are the two primary stabilizing structures of the knee
1. Tendon of the quadriceps femoris 2. tendon of the semimembranosus
which two characteristics describes adduction
1. a movement along the frontal plane 2. a movement towards the midline of the body
A joint that is extended beyond zero position is said to be what
hyperextended
In a musculoskeletal lever system, what force does the muscle contraction provide
Effort
in a symphysis, bones are held together by what cartilage
Fibrocartilage
what are the menisci of the knee composed of
Fibrocartilage
based on structure, the sagittal suture is what type of joint
Fibrous
which action is illustrated by twisting at the waist so the chest faces to the left
Left Rotation
which of the following occurs during depression
a bone is lowered vertically
A tooth held in the alveolar socket of either the maxilla or mandible is an example of a fibrous joint called
a gomphosis
a strip of tough collagenous tissue attaching a bone to another bone is called
a ligament
what is a joint, where bones are held together by cartilage
cartilaginous joint
Movement of the arm so as to draw a large circle with the hand is an example of
circumduction
what is a metacarpophalangeal joint
condylar joint
What is a joint that is the articulation between the arm and shoulder, also known as the shoulder joint
glenohumeral joint
The patellofemoral joint is an example of which class of synovial joint
gliding
what is ulnar-humeral joint
hinge joint
where is the coxal joint located
hip
What does the range of motion of a joint measure
how far it can move in a direction
what is a radioulnar joint
pivot joint
what is a joint between carpal bones
plane joints
what flexion results in pointing the toes inferiorly
planter flexion
in which movement does a bone spin on its longitudinal axis
rotation
what type of synovial joint consist of two bones, each with a surface that is concave in one direction and convex in the other
saddle
what is trapeziometacarpal joint
saddle join
what is another term for a fibrous joint
synarthrosis
what is a type of mobile fibrous joint in which the bones are held together by a band of long collagen fibers
syndesmosis
a bony, immovable joint is called
synostosis
a lubricating fluid that reduces friction between the bones is found in
synovial joints
the inner layer of a joint capsule that secretes synovial fluid is called the
synovial membrane
the ankle joint is also referred to as the
talocrural joint
which structure attaches a muscle to a bone and helps stabilize a synovial joint
tendon
what is eversion
the foot turns the sole of the foot laterally
what describes a first class lever
the fulcrum is located between the effort and resistance
