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Now as we follow the biceps tendon down with Mr Imaging,

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in some cases all we're gonna see is a single tendon

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representing a combination of the tendons

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of the short head and the long head.

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And I'm showing you from some cadaver work we

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did a number of years ago.

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One example we're here at the level

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of the proximal radius and ola.

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The arrow is on a single composite tendonous structure.

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In other cases, actually when you look closely

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and follow the biceps down, you will see two tendons,

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the tendon of the short head

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and the tendon of the long head.

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And I wanted to show you an example again using

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these images from our Cric study.

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So this is a higher image showing you in fact,

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here is the short head tendon.

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Here is the tendon of the long head

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and the typical location, the short head is located

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a**l medial to the long head.

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And as it descends further down, it remains anteriorly,

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sometimes separated the short head from the long head

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by some fatty tissue, which can be very, very helpful.

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In addition, the attachment sites,

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although generally continuous, are not the same

1:22

that the short head, it tends to attach more distally

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to the radial tuberosity than does the long head.

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And here's a nice picture, again, one

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of 'em from our article,

1:33

but one from the literature also showing you in fact the CS

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shaped footprint of the biceps tendon at the level

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of the radial tuberosity here,

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the longhead attachment often larger here,

1:48

the short head, more distally.

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Now that's gonna be become important, uh, and a few minutes

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because you know not all tears of the tendon

1:57

of the biceps are complete tears.

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Some are full thickness tears,

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but they involve only one of the two tendons

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and the other one is spared.

2:07

So they are delaminated tears of the biceps.

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Now there is this position described now almost 20 years

2:15

ago, uh,

2:17

and called the fabs position standing

2:21

for a flexed abducted supinated position.

2:24

And I think this is a good position

2:26

to include if the request slip says rule out

2:31

biceps tendon tear.

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Uh, it is good not only for the biceps tendon,

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but as I'll show you a little bit later on, it's good

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for the brachialis muscle and tendon as well.

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You can see how the patient is positioned prone with the arm

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and the position indicated there.

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And you can see with the image on your right

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how the imaging plane is done.

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And this is really nice because

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It gives you a long view of the biceps.

3:03

And here taken from that article in 2004 on your left,

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showing you a long segment of a normal biceps tendon

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and on your right images, showing you two examples

3:17

of abnormal bte.

3:19

We'll get into those abnormalities in a moment.

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So my advice is that this would be a good sequence

3:27

to add if you know the clinicians are worried about

3:31

the biceps.