Motion of the
Glenohumeral Joint
To activate
the video, move your mouse over its cell. The video will loop 3
times, then you must mouse over again to repeat.
Glenohumeral
movements in the Sagittal Plane of Motion
|
Flexion is accomplished
by concentric contraction of the anterior Deltoid & the
clavicular head of the Pectoralis major.
|
Extension is
accomplished by concentric contraction of the sternal head of
Pectoralis major, Latissimus dorsi & Teres major.
|
Glenohumeral
Flexion
mov/GHFlex.mpg
|
Glenohumeral Extension
mov/GHFlex.mpg
|
Glenohumeral
movements in the Frontal Plane of Motion
|
Abduction is
accomplished by concentric contraction of the Deltoid, Supraspinatus
& the clavicular head of the Pectoralis major. |
Adduction is
accomplished by concentric contraction of the sternal head of
Pectoralis major, Latissimus dorsi & Teres major. |
Glenohumeral
Abduction
mov/GHAbd.mpg
|
Glenohumeral
Adduction
mov/GHAdd.mpg
|
Glenohumeral
movements in the Horizontal Plane of Motion
|
External Rotation is
accomplished by concentric contraction of the Infraspinatus &
Teres major. |
Internal Rotation is
accomplished by concentric contraction of the Pectoralis major,
Latissimus dorsi & Teres major & Coracobrachalis. |
Glenohumeral
External Rotation
mov/GHER.mpg
|
Glenohumeral
Internal Rotation
mov/GHIR.mpg
|
Glenohumeral movements
in the Horizontal Plane of Motion
|
Horizontal Abduction is
accomplished by concentric contraction of the Infraspinatus,
Teres major, posterior Deltoid, & middle Deltoid. |
Horizontal Adduction is
accomplished by concentric contraction of the Pectoralis major,
Coracobrachialis, anterior Deltoid. |
Glenohumeral
Horizontal Abduction
mov/GHHAbd.mpg
|
Glenohumeral
Horizontal
Abduction
mov/GHHAdd.mpg
|
|