Exam 2 Joints Flashcards
Classification of Joints
_____, immovable joint
Synarthroses
Classification of Joints
_____, slightly movable joints
Amphiarthroses
Classification of Joints
_____, freely movable joints
Diarthroses
3 Classifications of Joint Structure & Functionality
Cartilaginous joints; the articulating bones are united by cartilage, slightly movable
_____, is a bar or plate of hyaline cartilage that unites the bones
_____, the articulating surfaces of the bones are covered with articular (hyaline) cartilage
Synchondroses
Symphyses
Shoulder is 3 Different Joints
What are these 3?
sternoclavicular (SC); acromioclavicular (AC); glenohumeral
What is the joint that connects the sternum to the clavicle?
sternoclavicular (SC)
What is the joint of a separated shoulder; the joint which holds the clavicle down to the 1st rib?
acromioclavicular (AC)
Major adductor/adduction, _____, towards
Pectoralis Major (chest)
Major abductor/abduction, _____, away
Deltoid
Major extensor, _____, 3 heads
Triceps
?
Posterior wall, _____
Latissimus Dorsi
?
Anterior wall, _____
Pectoralis Major
?
Anterior wall, _____
Pectoralis Major
What is the most common type of shoulder dislocation?
Glenohumeral joint
Anterior, forward, abduction internal rotation
Inferior, down
_____ is the major nerve root of the shoulder and arm, C5 to T1
Brachial plexus
What is the most commonly fractured bone in the body?
the clavicle
What 3 bones make up the elbow?
humerus, radius, ulna
Major Ligaments of the Elbow
_____ collateral ligament, _____, on the inside
_____ collateral ligament, _____, on the outside
medial; ulna
lateral; radius
Medial Collateral ligaments prevent,
_____ stress, is an outside to inside stress, inward
Valgus
Lateral Collateral ligaments prevent,
_____ stress, is an inside to outside stress, outward
Varus
Lateral Collateral ligaments prevent,
_____ stress, is an inside to outside stress, outward
Varus
_____, raps around the head of the radius and stabilizes the head of the radius, pivot point (allows you to pronate)
Annular Ligament
The artery found at the elbow is the _____
Brachial Artery
_____, front of the elbow, C5 nerve reflex, formed by the bicep, pronator teres, and the triceps; Median nerve is located here
Cubital fossa
Major muscles at the Elbow
Bicep - flexor
Triceps - extensor
Muscles that flex your wrist, fingers and hands originate on the _____ side of your elbow
Muscles that extend your wrist, fingers and hands originate on the _____ side of the elbow
medial
lateral
Major muscles at the Elbow
Bicep - flexor
Triceps - extensor
Muscles that flex your wrist, fingers and hands originate on the _____ side of your elbow
Muscles that extend your wrist, fingers and hands originate on the _____ side of the elbow
medial
lateral
Wrist
What 3 bones make up the wrist?
radius, ulna, carpal bones
What are fractures of the radius called?
Colles fractures
What are fractures of the ulna called?
Smithe fractures
What is the most commonly dislocated bone in the wrist?
lunate
What is the most commonly fractured bone in the wrist?
scaphoid
What are the most common fractures of the hand?
the 5th metacarpal; boxer’s fracture
Fractures of the 1st metacarpal are called?
Bennett’s fractures
What are the 3 joints of the finger?
MP (metacarpophalangeal)
PIP (proximal interphalangeal)
DIP (distal interphalangeal)
What are the 3 joints of the finger?
MP (metacarpophalangeal)
PIP (proximal interphalangeal)
DIP (distal interphalangeal)
Knee Joint
Hinge joint
The fibula is on the lateral (outside) of the leg
The knee is made up of 4 bones; Femur Tibia (shinbone) Fibula (small bone on outside) Patella (knee cap; a sesamoid bone)
Ligaments of the Knee
Medial Collateral Ligament (MCL), inside, Tibial collateral ligament, prevents _____ stress (outward/inward stress)
Lateral Collateral Ligament (LCL), outside), Fibular collateral ligament, prevents _____ stress (inward outward stress)
valgus (think “knock-knee”)
varus (think “bowlegged”)
Intracapsular ligaments, are called _____, they cross each other, forming an X in the notch between the femoral condyles
cruciate ligaments
____ ____ ligament (___), medial to lateral, inside, prevents the tibia from going forward
Anterior Cruciate; ACL
____ ____ ligament (___), lateral to medial, major stabilizing unit of the knee, prevents tibia from going backwards
Posterior Cruciate; PCL
Secondary ham string muscles are ___ and ___ (does knee and hip flexion)
gracilis, sartorius
What is the longest muscle in the body?
sartorius
_____ is the insertion of the sartorius, gracilis and semitendinosus
Pes-anserine
_____ is general fluid swelling
Edema
_____ is swelling of a joint capsule
Effusion
_____ is swelling of a joint capsule
Effusion
Ankle Tendon
_____ (___), largest tendon in the body, attaches the gastrocnemius and the soleus to the heel
Calcaneal tendon; Achilles
Fractures of the foot
- March fractures
- Jones fracture, fracture of the 5th metatarsal caused by the _____
- Hallux valgus, bunion
Peroneal brevis
Medial side of the ankle, inside, ligaments
? ligament, has 3 parts, helps prevent eversion sprains
Deltoid
? and ? ___-fibular ligaments holds the tibia and fibula together
Anterior; Posterior; tibio-