The job of the Lateral Line, if you haven't guessed it, is to bend the horses neck and body to the side... laterally.
It also works to bend the spine both in flexion and extension. There is a superficial layer (SL) for the flexion and a deep layer (DL) for the extension.
SL goes over the stifle, through the body, over the top of the lower shoulder to the poll and the DL runs through the Superficial Gluteal muscle, through the body and under the scapular (top of shoulder) to the poll.
The Function
The lateral Line aids in lateral bending of the body, so when you are on the right rein, the left side needs to relax and stretch and the right side is shortened.
For a horse to be able to move in a straight line the left and right Lateral Line has to be balanced. This line also contributes to the horses stability and core.
Symptoms of Dysfunction
Symptoms in the DL:
Lack of self-carriage and smoothness in movement
Decrease in ability to flex the spine
Undeveloped Splenius Muscle (dip in the middle of the neck)
Dip in front of the withers is also often seen
Short strides
Symptoms in the SL:
Decreased scapular movement
Reduced retraction of the front limbs
Reduced laterally flexion of the shoulder
Stiff neck and lacks elasticity
Spine, more in flexion
Outside hind on a circle swings out
Goes more on the forehand
If you have any of the symptoms above, it is advised to get your equine physio out to help release fascia and to build an exercise plan for you.
Any questions please get in touch.
pictures from:
Commenti