What is the function of the triceps?
With the arm adducted, the triceps muscle acts to hold the head of the humerus in the glenoid cavity. This action helps prevent any displacement of the humerus. The long head also assists with the extension and adduction of the arm at the shoulder joint.
What do the different tricep heads do?
Building the Triceps Muscle
Targeting each of the three heads of the triceps requires a slight difference in exercises. The long head of the triceps exerts more strength when the shoulder joint is at 0° and the medial and lateral heads kick in when the shoulder is opened above a 90-degree angle.
Do dips work the long head of the triceps?
Dips are a multi-joint body weight exercise that simultaneously work your chest, anterior deltoids and triceps. Dips equally work the long head and lateral head of your triceps with the medial head kicking in at the top of the movement.
Which two muscles does the long head of the triceps brachii penetrate?
All of these heads pass vertically down the arm to insert on the olecranon of the ulna. The triceps is the primary extensor of the forearm at the elbow joint. Because the long head crosses the glenohumeral joint, it can also extend and adduct the humerus.
What are the 3 heads of the triceps?
Triceps brachii (TB) is the largest arm muscle responsible for elbow extension and horizontal arm abduction and also participates as an antagonist muscle during elbow flexion (Hussain et al., 2018). This muscle comprises three heads, namely, the long, lateral and medial heads.