There are (Second/third word is ____) because it would be confusing to have more than 1 of the same answer if both options come up in a question. It's ball AND socket, not ball & socket
The 2 main functions of joints are to…
Give the skeleton mobility
Hold the skeleton together
The 3 structural classifications of joints are…
Fibrous, cartilaginous, and synovial
Fibrous joints are ____ (Movement)
Immovable
A common example of a fibrous joint is…
Suture
Cartilaginous joints are ________ ____ (__Movement)
Slightly movable
If the order of the bones is as follows, what is the order of flexibility from LEAST to MOST?
Hinge, Pivot, Plane, Saddle, Ball and Socket, Condyloid (2 pairs will be in the same category)
2, 2, 1, 3, 4, 3
If the order of the bones is as follows, what is the order of flexibility from LEAST to MOST?
Saddle, Ball and Socket, Hinge, Plane, Condyloid, Pivot (2 pairs will be in the same category)
3, 4, 2, 1, 3, 2
A common cartilaginous joint is…
Ribs connecting to the sternum
Synovial joints are __ ____ (Movement)
Freely movable
The 6 types of synovial joints are…
Hinge, Pivot, Ball and Socket, Saddle, Condyloid, and Gliding
In fibrous structural joints, the bones are joined by (dense regular) __ ____
Fibrous tissues
In fibrous structural joints, there is no __ __
Joint cavity
In cartilaginous joints, articulating bones are united by ___
Cartilage
The pubic symphysis is an example of a ______ joint
Cartilaginous
Bones in ____ joints are separated by a fluid-containing joint cavity
Synovial
The function of articular cartilage and synovial fluid is…
Reduce friction
The function of synovial cavities is to…
Hold fluid
The function of fibrous capsules and reinforcing ligaaments is to…
Support the joint
The function of synovial membranes is…
Produce synovial fluid
____ are sacs lined with synovial membranes and containing synovial fluid.
Bursae
Bursae are common where ligaments, muscles, skin, tendons, or bones ________ together. (At ____ joints)
Rub, complex
The two muscle attachments across a joint are….
Origin and insertion
The origin in a joint is the attachment to the ____ bone
Immovable
The insertion in a joint is the attachment to the _____ bone
Movable
Tendons connect ___ to bone.
Muscle
Ligaments connect ____ to bone.
Bone
Flexion is the bending movement that ____ the angle of the joint.
Decreases
Extension is the reverse of flexion, where the joint angle is ____.
Increased
Dorsiflexion is the _____ movement of the foot. (Superior/inferior)
Superior
Plantar flexion is the _____ movement of the foot. (Superior/inferior)
Inferior
Abduction is movement ___ from the midline (frontal plane). (Away/toward)
Away
Adduction is movement ____ toward the midline (frontal plane). (Away/toward)
Toward
Circumduction is movement that describes a ____ in space.
Cone
____ is the turning of a bone around its own long axis.
Rotation
The first two vertebrae (C1 + C2) is an example of a ___ ___.
Rotation joint
The radius and _____ is an example of a rotation joint.
Ulna
Supination is the turning of the palm ____. (Up/down)
Up
Pronation is the turning of the palm ____. (Up/down)
Down
Inversion is the ___ movement of the foot. (Medial/lateral)
Medial
Eversion is the _____ movement of the foot. (Medial/lateral)
Lateral
Protraction is a ____ movement. (Forward/back)
Forward
Retraction is a ____ movement. (Forward/back)
Back
Elevation is a(n) _____ movement. (Upward/downward)
Upward
Depression is a(n) ____ movement. (Upward/downward)
Downward
Opposition is the movement of the ____ alone.
Thumb
Plane joints are the ____ flexible synovial joint.
Least
The articular surfaces in plane joints are essentially ____.
Flat
Plane joints are _____ joints.
Nonaxial/non-angular
Intercarpal and intertarsal joints are examples of ____ joints.
Plane
This is an example of a ___ _____ (Second word is joint)
Plane joint
Motion in hinge joints is along a ______ ___.
Single joint
Hinge joints (_____) permit flexion and extention only.
Uniaxial
The humerus-ulna joint AND the knee are examples of ____ joints.
Hinge
This is an example of a _____ _______ (__Second word is joint)
Hinge joint
In a pivot joint, the rounded end of one bone ____ into a “sleeve” or ring of another.
Protrudes
Rotation/___axial movement is allowed at pivot joints.
Uni
This is an example of a __ ____ (Second word is joint)
Pivot joint
The bones C1 + C2 AND the radioulnar joint are examples of ____ joints.
Pivot
An ____ surface of one bone fitting into a depression of another bone is an example of a ____ joint.
Open, condyloid
Condyloid joints are _____, meaning they permit all angular movements
Biaxial
This is an example of a ______ _____ (Second word is joint)
Condyloid joint
The radiocarpal (wrist) and metcarpophalangeal (1st knuckle) joints are examples of ____ joints.
Condyloid
Saddle joints are similar to condyloid joints, but allow ____ movement. (Greater/lesser)
Greater
Saddle joints are __axial
Bi
This is an example of a _____ _____ (Second word is joint)
Saddle joint
In ___ joints, each articular surface has both a concave and a convex surface.
Saddle
The carpometacarpal joint of the _____ is an example of a ___ ____ (Second word is joint)
Thumb, saddle joint
Ball and socket joints are the _____ flexible joints.(Most/least)
Most
This is an example of a ____ ___ ______ _______(Fourth word is joint)
Ball and socket joint
____axial joints permit the most freely moving synovial joints.
Multi
The joint with the scapula and _____ is an example of a ball and socket joint.
Humerus
The joint with the _____ and acetabulum is an example of a ball and socket joint.
Femur
In ball and socket joints, the spherical head of one bone articulates with the _____ of another bone.
Socket
The shoulder has more movement than the hip because the head of the femur is ___ into the acetabulum than the head of humerus is in the ______ fossa.
Deeper, glenoid
Together, the femur, fibula, tibia, and patella make up the ____.
Knee
The knee allows flexion, ______, and some rotationext
Extension
There are _____ joints in one surrounded by a single joint
_____. These are the femoropatellar joint, and the lateral and medial tibiofemoral joints.
Three, cavity
The _CL is more likely to be damaged than the other ligament from a lateral force.
M
If you are hit from the lateral side of your leg, the ___ will be cushioned by the ligaments in the knee, but the ___ will have no cushioning and will tear. The same would happen with a force from the medial side of the leg.
LCL, MCL
The ______ cruciate ligament (ACL) prevents _____
Anterior, hyperextension
The ACL and PCL _____ at the knee joint. (Hint: X)
Cross
The medial and lateral meniscuses (menisci) act as _____.
Cushions
Flexion and extension occur on the _____ plane
Saggital
Adduction and abduction occur on the ____ plane.
Frontal
The MCL is _____(more/less) likely to be damaged than the LCL is.
More
The ACL is ____(more/less) ______ to be damaged than the PCL. (Two words)
More likely
Bursa will _____(Always/Not Always) be found at a synovial joint
Not always