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51 Cards in this Set
- Front
- Back
first bone to begin ossification |
clavicle during 5th week of fetal development |
|
sternoclavicular joint |
articulation of manubrium of sternum and clavicle only joint connecting the shoulder complex to the axial skeleton |
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acromioclavicular joint |
articulation of scapula with clavicle |
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how many muscles attach to the clavicle |
6 |
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lateral expansion of the spine of the scapula |
acromion process |
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number of muscles that attach to the scapula |
17 |
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surgical neck |
humerus narrowest portion of the humerus lies just below the tuberosities |
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deltoid tubercle |
lateral aspect of the midshaft |
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number of muscles that attach to the humerus |
24 |
|
classification of the sternoclavicular joint |
saddle (double gliding joint) |
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articular disc of sternoclavicular disc |
fibrocartilaginous structure that separates the joint surfaces stabilizes the joint and resists medial displacement of the clavicle to the sternum |
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movement of the sternoclavicular joint |
motion in 2 planes elevation/depression protraction/retraction circumduction |
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classification of the acromioclavicular joint |
plane (gliding) joint |
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classification of the glenohumeral joint |
ball and socket |
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glenoid labrum |
fibrous rim that serves to deepen the glenoid fossa and allows for attachment of the glenohumeral ligaments to the glenoid increases total surface area for humeral articulation |
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primary functions of the rotator cuff |
1. holds the head of the humerus in the glenoid cavity 2. rotation of the humerus on its longitudinal axis 3. protection of shoulder joint by the common muculotendinous sheath 4. dynamic stabilization of the shoulder joint 5. neuromuscular control |
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secondary stabilizers of the glenohumeral joint |
long head of biceps brachii teres major latissimus dorsi pectoralis major |
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boundaries of quadrangular space |
teres minor, teres major, long head of the triceps, lateral head of the triceps |
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contents of the quadrangular space |
axillary nerve posterior humeral circumflex artery |
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boundaries of the triangular space |
teres major, teres minor, long head of the triceps |
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contents of the triangular space |
circumflex artery |
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boundaries of the triangular interval |
teres major long head of the triceps lateral head of the triceps |
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contents of the triangular interval |
radial nerve deep brachial artery |
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bursae of the shoulder joint |
subscapular bursa subacromial bursa |
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articular surfaces of the elbow joint |
trochlea of humerus with the trochlear notch of ulna capitulum of humerus with the proximal surface of head of the radius |
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classification of elbow joint |
hinge type of synovial joint |
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proximal radioulnar joint |
radial head with radial notch of ulna |
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classification of proximal radioulnar joint |
pivot type of synovial joint |
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ligaments of proximal radioulnar joint |
annular and quadrate ligaments |
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classification of distal radioulnar joint |
pivot type of synovial joint |
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interosseous membrane |
non-synovial middle radioulnar joint strong membrane between the interosseous borders running medially and inferiorly |
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oblique cord |
lateral border of ulnar tuberosity distally to radial tuberosity |
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classification of radiocarpal joints |
ellipsoid type of synovial joint |
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intercarpal joints |
plane (gliding) type of synovial joint |
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carpometacarpal and intermetacarpal joints |
plane synovial joints |
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metacarpophalangeal joints |
condyloid (knuckle-like) type of synovial joints |
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interphalangeal |
hinge type of synovial joints |
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bursae of the elbow |
subcutaneous olecranon bursa subtendinous olecranon bursa radioulnar bursa bicipitoradial bursa |
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bursae of the wrist and hand |
synovial sheaths |
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superior lateral brachial cutaneous nerve |
from axillary nerve- lateral surface of arm and forearm |
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inferior lateral brachial cutaneous nerve |
from radial nerve lateral surface of arm and forearm |
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lateral antebrachial cutaneous nerve |
from musculocutaneous nerve lateral surface of arm and forearm |
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posterior brachial cutaneous nerve |
#2 from radial nerve posterior surface |
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posterior antebrachial cutaneous nerve |
#3 from radial nerve |
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medial pillars of the carpal tunnel |
pisiform and hamate |
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lateral pillars of the carpal tunnel |
scaphoid and trapezium |
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roof of the carpal tunnel |
flexor retinaculum |
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contents of the carpal tunnel |
median nerve tendons of FDS, FDP, FPL tendon of FCR (small tunnel- vertical groove) |
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Boundaries of the anatomical snuff box |
anterior- APL and EPB posterior- EPL |
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contents of the anatomical snuff box |
radial artery tendon of ECRL floor- scaphoid bone |
|
muscles that assist in opposition |
Abductor pollicis Brevis Flexor pollicis brevis opponens pollicis adductor pollicis EPB, EPL, APL, FPL |