chapter 7 Flashcards
Two rows of four …..l bones make up the wrist
carpal bones
Make up the hand
5 metacarpal bones
3 on each four fingers and 2 on thumb
Phalanges
Know the carpal bones… Be able to name them
Be able to name them
Carpal bones form an…..
arch; concave on palmar side
Carpal tunnel is spanned by
transverse carpal and volar carpal ligaments
Landmarks: Orgin for felxors….
Medial epicondyle, medial condyloid ridge, coronoid process
Origins for extensors
Origins for extensors
Lateral epicondyle and lateral supracondylar ridge
The wrist is considered a what type of joint?
Classfication:
Movements
Articulations
Wrist (Radiocarpal joint)
Classification: condyloid
Movements: flexion/extension, abduction/adduction
Articulations: distal radius and proximal carpal row
There are three types of finger joints…. What are they?
Metacarpophalangeal, MCP joints
Proximal interphalangeal, PIP, joints
Distal interphalangeal, DIP, joints
Condyloid joints
Carpals and proximal phalanges
Metacarpophalangeal, MCP joints
Distal interphalangeal, DIP, joints
Distal interphalangeal, DIP, joints
Hinge joints
Middle and distal phalanges
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What are the two condyloid joints and hinge joints?
Condyloid joints. - radiocaarpal joint
Metacaropohangegal joint
hinge joint
Distal interphalengeal joint
proximal interhangeal joint
Between 1st metacarpal and trapezium
Saddle joint
Flexion, extension, abduction, adduction, internal and external rotation
Thumb joints
Carpometacarpal, CMC joint
descibe the wrsit movements degrees
look on slide
Composite motion of abduction(1), rotation (2), and flexion (3) where the thumb touches the little finger
oppostion
What are the two types of intricisti mucles?
thenar eminence and hypothenar emicnice
Muscular pad on the palmar side of the first metacarpal
thenar emincie
Muscular pad that forms the ulnar border of the palm
hypothenar eminice
there are 11 intrisic muscles.. what are they
Intermediate 11 intrinsic muscles: 4 lumbricals 3 palmar interossei 4 dorsal interossei
Which is the most injured bone when we fall outward on our hand?
scaphoid
What is another name for tennis elbow?
lateral epicodolyisits
another name for medial epicoldyoltis
golfers elbow
