UNIT 3 Quiz Flashcards
What attaches our upper limbs to the axial skeleton?
pectoral girdle
The clavicle ossifies in what two ways?
Intramembranous ossification and endochondral
Structure and function of sternoclavicular joint?
synovial gliding, nonaxial
What are the deep anterior muscles?
serratus anterior, pectoralis minor, pectoralis major
What are some acromiocalvicular joint ligaments?
Corococlavicular and coracoacromial
What is a shoulder seperation?
When the acromioclavicular ligament tears, non severe
What is lining the glenoid cavity?
Glenoid labrum
Rotator cuff muscles are?
SITS
supraspinatus
infraspinatus
teres minor
Subscapularis
Strcuture and function of the glenohumeral joint?
(structure) Synovial ball and socket
function
diarthrosis: triaxial
GH Joint dislocation?
usually the humerus slides out of glenoid cavity and dislocates anterior and inferior
What structures may be affected by GH joint dislocation?
tendons of rotator cuff
Glenoid labrum
Articular cartilage of humeral head
Radial head dislocation?
The radial head can slip from annular ligament
Structure and function of joint between radius and ulna?
Synovial pivot
uniaxial
Carpal bones?
scaphoid and lunate
What joints are part of extension?
shoulder, elbow and wrist
Muscles for ________ are stronger than ____
flexion, extension
What muscle is responsible for supination? pronation?
supinator teres
pronator teres
3 bones of the coxal bone?
ilium, ischium, pubis
What happens to the coxal bones when we are developing?
they are fusing and seperated by cartilage but are done developing by the age of 25
Sacroiliac joint structure and function
Structure: synovial gliding joint
2 parts of the pelvis?
False pelvis (greater)
True pelvis (lesser)
male vs female pelvis?
Male is deep, narrow sacrum, heart shaped brim , oval shape obturator foramen
Female is wider, shorter, round brim, triangle shaped obturator forament
Femur attaches at the ________
acetabulum
Coxofemoral joint strucutre and function
synovial ball and socket
diarthrosis triaxial
Coxofemoral joint is cushioned through
fat pad
Ligamentum teres>
part of fovea capitis and provides small blood vessel access
Dislocation of femur>
very rare but if it does, it can tear lig. teres, ischiofemoral, and posterior capsule
Quadriceps are made of 4 muscles…
vastus lateralis
rectus femoris
vastus medialis
vastus intermedius
Ham strings are made of 4 muscles….
semi tendinosus
Semi Membranosis
Biceps femoris long/short head
Tibiofemoral joint structure and function?
strucutre: synovial hinge
Function: diarthrosis uniaxial
Medial and lateral meniscus provides…
cushion, conform the joint, increase surface area, stability
Terrible triad injury
can cause tearig of medial collateral lig.
medial meniscus
anterior cruciate lig.
Muscles of lower leg that are plantar flexors?
gastrocnemius Soleus Post. tibialis Fibularis longus Digital flexors
