upper limb muscles - arm Flashcards

1
Q

how do we tell the medial septum of the arm

A

because of the brachial artery running through the anterior compartment on the medial side - right next to the medial intramuscular septum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what muscles are present in the posterior arm compartment

A

just one, the triceps brachii

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what muscles are present in the anterior arm compartment

A

the biceps brachii, coracobrachialis, and the brachialis
most superficial is the biceps brachii - it kinda covers the brachialis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are the attachment points of the biceps brachii muscle

A

long head is attached to the supraglenoid tubercule - running under the transverse humeral ligament. the short head is attached to the coracoid process. then the distal attachment is to the radial tuberosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

whats the bicipital aponeurosis

A

this tissue structure arises from the tendon of the biceps brachii and joins into the deep fascia of the arm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

deep fascia of the arm is called what

A

the brachial fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what movements can the biceps brachii do

A

flexion or the arm and forearm. also a powerful of the arm - more so when the arm is flexed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what three muscles attach to the coracoid process

A

short head of the biceps brachii, the coracobrachialis and the pectoralis minor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are the attachments of the brachialis

A

connecting to the shaft of the humerus proximally and the ulna tuberosity distally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what movements can the brachialis do

A

powerful flexor of the forearm as it crosses the elbow joint to attach at the ulnar tuberosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

where does the coracobrachialis attach

A

the coracoid process of the scapula and the shaft of the humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what movements can the coracobrachialis do

A

arm flexion as it goes from coracoid process to humerus shaft.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are the attachment sites of the Triceps Brachii

A

long head to the infraglenoid tubercule, medial and lateral heads to the shaft of the humerus.
distally all attach to the olecranon.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

tell me about the arrangement of the triceps brachii muscles

A

theres the lateral head and medial heads lying as their name suggests. the long head also lies medially, pretty much lying on top of the medial head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what movements can the triceps brachii do

A

as long head is to the infraglenoid tuberucule, and rest goes to olecranon - it can do extension of the arm and forearm, also can do adduction of the arm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what are the 3 BBB muscles that flex the elbow

A

biceps brachii, brachialis and the brachioradialis

17
Q

what muscles are extenders of the elbow

A

triceps brachii