42 Questions
Which type of joint is found between the bones of the cranium?
Suture
Which type of joint is held together by fibrous connective tissue?
Fibrous
Which type of joint has little to no movement?
Synarthrosis
Which type of joint is located in the metaphyseal area?
Synchondrosis
Which type of joint is held together by cartilage?
Cartilaginous
Which type of joint is known as a synarthrodial joint?
Gomphosis
Synovial joints tend to be..
Diarthrotic
Which type of joint is found between the ulna and radius or fibula and tibia?
Syndesmosis
Which type of joint is often a temporary joint?
Synchondrosis
Which type of joint allows for flexion/extension and adduction/abduction?
Saddle Joint
What is the function of ligaments in joints?
To stabilize the joint
Where are extracapsular ligaments located?
Separate from the joint capsule
Which type of muscle tissue is located in the walls of organs?
Smooth muscle tissue
What is the primary function of skeletal muscle tissue?
Movement of the body
Which type of muscle tissue is voluntary?
Skeletal muscle tissue
What determines the direction of pull of a muscle?
The fiber direction of the muscle belly
What is the function of synovial fluid in synovial joints?
To lubricate the joint surfaces
Where are intra-articular discs found?
TMJ and sternoclavicular joint
Which type of muscle contraction occurs when the muscle lengthens while contracting?
Eccentric
What is the role of the antagonist muscle in the body?
To passively elongate or shorten to permit motion
What is the function of a tendon?
To attach a muscle to the bone, skin, or another muscle
What is the purpose of a tendon sheath?
To wrap around tendons of the muscles at the wrist and ankle
What is the function of superficial fascia?
To provide protection to structures deep to it
What is the function of a motor nerve?
To allow the brain to stimulate muscle contraction
What does a spinal nerve generally refer to?
A mixed sensory and motor nerve that comes out of the spinal cord
What do cranial nerves innervate?
The head and neck muscles
A symphysis is considered...
Amphiarthrodial
The anterior cruciate ligament (ACL) of the knee is considered a....
Intracapsular ligament
Pivot joint has 1 degree of freedom
True
Condyloid joint has 1 degree of freedom
False
Ball and socket joints are considered ___-axial joints
Intervertebral disks are an example of a...
Symphysis
Tendon sheaths are filled with synovial fluid
True
Match the following joint types with their correct descriptions:
Suture = Found between the bones of the skull, no movement is produced Syndesmosis = 2 bones are connected by a fibrous connective tissue, some movement will be found Gomphosis = The joint between a tooth and its socket, no movement Synchondrosis = This is a Primary Cartilaginous Joint because the bones are connected by hyaline cartilage
Match the following joint classifications with their correct definitions:
Synarthrosis = Joint with little to no movement Amphiarthrosis = Joint with some movement Diarthrosis = Freely movable joint Fibrous = Joint held together by fibrous connective tissue
Match the following joint types with their correct structural classifications:
Suture = Synarthrodial joint Syndesmosis = Amphiarthrodial joint Gomphosis = Synarthrodial joint Synchondrosis = Primary Cartilaginous Joint
Match the following types of synovial joints with their corresponding degrees of freedom:
Saddle Joint = 2 degree of freedom Hinge Joint = 1 degree of freedom Pivot Joint = 1 degree of freedom Condyloid Joint = 2 degrees of freedom
Match the following types of ligaments with their anatomical relationship to the joint capsule:
Capsular Ligaments = Blend in with the joint capsule or a thickening of the joint capsule Extracapsular Ligaments = Separate from the joint capsule but stabilize the joint in close proximity to the capsule Intracapsular Ligaments = Found within joint capsules, reinforce the connection between articulating surfaces
Match the following muscle types with their correct definitions:
Agonist/Prime Mover = Muscle producing a joint motion or maintaining a posture Antagonist = Muscle that has the opposite anatomic action of the agonist Synergist = Muscle that contracts at the same time as the agonist Stabilizer/Fixator/Supporter = Muscles that are active isometrically to keep a limb from moving when the agonist muscle contracts
Match the types of muscular actions with their correct descriptions:
Isometric = The muscle contracts, produces force, but no gross movement of the muscle occurs (stability) Concentric = The muscle shortens while contracting, producing acceleration of body segments Eccentric = The muscle lengthens while contracting. Eccentric contractions decelerate body segments and provide shock absorption, such as when landing from a jump
Match the following nerve types with their correct descriptions:
Spinal Nerves = Mixed sensory and motor nerves that come out of the spinal cord and innervate most of the skeletal muscles in our body Cranial Nerves = Nerves that emerge directly from the brain, containing sensory and motor nerve fibers and innervating some of the head and neck muscles Motor Nerves = Nerves that allow the brain to stimulate muscle contraction, exclusively containing the axons of the neurons which innervates skeletal muscles or glands Sensory Nerves = Nerves that receive sensory stimuli, such as how something feels and if it is painful
Primary cartilaginous joints (Synchondrosis) are connected by fibrocartilage
False
Test your knowledge on joint classification, arthrology, and syndesmology with this quiz based on Dr. Karyn Lumsden's lecture on clinically oriented anatomy. Explore the concepts of joints, ligaments, and movement produced at joints.
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