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The Glenohumeral Joint
Glenohumeral Joint
Glenohumeral joint classification etc
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Hiri P
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Cards (6)
Glenohumeral Joint - Joint classification:
Synovial ball
and
socket
joint
A)
Glenohumeral Joint
1
Glenohumeral Joint - Axis of movement:
3
degrees of movement (3 axes)
A)
Glenohumeral Joint
1
Glenohumeral Joint - Articular Surfaces:
Hemispherical head
of
humerus
Glenoid fossa
of the
scapula
Covered with
hyaline cartilage
A)
Glenohumeral Joint
1
Glenohumeral Joint - Joint Capsule:
A
cylindrical sleeve
that passes from
glenoid fossa
to
humerus
Lax
structure especially
inferiorly
to
accommodate
the
head
of
humerus
during
movement
, therefore
not
a
stabiliser
of the
joint
A)
Glenohumeral Joint
1
Glenohumeral Joint - Synovial Membrane:
Lines
inside
of
capsule
Extends through capsule
anteriorly
to form
subscapular bursa
Extends through capsule
posteriorly
to form
infraspinatus bursa
Long head
of
biceps
also sheathed in
synovial membrane
A)
Glenohumeral Joint
1
Subacromial (Deltoid) Bursa:
Noncommunicating
bursa
Separates
coracoacromial arch
and
deltoid
muscle from
superolateral
aspect of
shoulder joint
A)
Subacromial bursa
1
