Triceps brachii seen from behind. Three different colors represent three different bundles which compose triceps.
Long head.
Lateral head.
Medial head.
Details
Origin
Long head: infraglenoid tubercle of scapula Lateral head: above the radial groove Medial head: below the radial groove
Insertion
Olecranon process of ulna
Artery
Deep brachial artery, posterior circumflex humeral artery (long head only)
Nerve
Radial nerve
Actions
Extends forearm, long head extends, adducts arm, extends shoulder
Antagonist
Biceps brachii muscle
Identifiers
Latin
musculus triceps brachii
TA98
A04.6.02.019
TA2
2471
FMA
37688
Anatomical terms of muscle
[edit on Wikidata]
The triceps, or triceps brachii (Latin for "three-headed muscle of the arm"), is a large muscle on the back of the upper limb of many vertebrates. It consists of 3 parts: the medial, lateral, and long head.[1] It is the muscle principally responsible for extension of the elbow joint (straightening of the arm).
^Casadei, Kyle; Kiel, John; Freidl, Michael (2020). "Triceps Tendon Injuries". Current Sports Medicine Reports. 19 (9): 367–372. doi:10.1249/JSR.0000000000000749. PMID 32925376. S2CID 221567814.
The triceps, or triceps brachii (Latin for "three-headed muscle of the arm"), is a large muscle on the back of the upper limb of many vertebrates. It...
The lying triceps extension, also known as skull crusher and French extension or French press, is a strength exercise used in many different forms of...
The triceps reflex, a deep tendon reflex, is a reflex that elicits involuntary contraction of the triceps brachii muscle. It is sensed and transmitted...
The triceps surae consists of two muscles located at the calf – the two-headed gastrocnemius and the soleus. These muscles both insert into the calcaneus...
bar. This is an isolation exercise for the triceps. Equipment: cable machine or pulldown machine. The triceps extension is performed while standing or seated...
arms. The principal anthropometry measures are the upper arm length, the triceps skin fold (TSF), and the (mid-)upper arm circumference ((M)UAC). The derived...
These three muscles form a three-headed muscle (tricipital) known as the triceps coxae. The quadratus femoris originates at the ischial tuberosity and is...
muscles involved being the pectoralis major, the anterior deltoids, and the triceps brachii. Other muscles located in the back, legs and core are involved...
teres minor, below by the teres major, medially by the long head of the triceps brachii, and laterally by the surgical neck of the humerus), and divides...
(also known as the lateral triangular space, lower triangular space, and triceps hiatus) is a space found in the axilla. It is one of the three intermuscular...
amongst others, the shaft of the humerus and the triceps brachii) of the arm and lies deep to the triceps brachii. Here it travels with the deep artery of...
portion of the upper limb. It innervates the medial and lateral heads of the triceps brachii muscle of the arm, as well as all 12 muscles in the posterior osteofascial...
Hydnora triceps is a holoparasitic flowering plant native to Africa that grows on the roots of Euphorbia dregeana. Completely lacking in chlorophyll,...
inserts on the radius bone, though more distally. Biceps and triceps. Movement of biceps and triceps when arm is flexing The split line between the long and...
relaxes. An example of an antagonistic pair is the biceps and triceps; to contract, the triceps relaxes while the biceps contracts to lift the arm. "Reverse...
blended with the tendon of the deltoid muscle, gives attachment to the triceps brachii behind, and to the brachialis, brachioradialis, and extensor carpi...
avoiding resting on the floor. This exercise trains the chest, shoulders, and triceps. An easier version of this exercise consists of placing the hands on a...
(shown in red). Animation. Muscles on the dorsum of the scapula, and the Triceps brachii muscle: #3 latissimus dorsi muscle #5 teres major muscle #6 teres...
whole of this surface is covered by the lateral and medial heads of the Triceps brachii, the former arising above, the latter below the radial sulcus....
along with humeral abduction. The extrinsic muscles include the biceps, triceps, and deltoid muscles and attach to the coracoid process and supraglenoid...
function to an EZ curl bar, the triceps bar consists of two parallel handles mounted in a cage. It is used to perform triceps extensions and hammer curls...
of the triceps brachii, then along the groove for the radial nerve (the radial sulcus), where it is covered by the lateral head of the triceps brachii...
and some anatomists consider this combination to be a single muscle, the triceps surae. Its name is derived from the Latin word "solea", meaning "sandal"...
to what is the main cause of astasis. A combination of weakness of the triceps surae muscle, peripheral neuropathy, and irregular postural movements are...
superficial layer of posterior leg muscles is formed by the triceps surae and the plantaris. The triceps surae consists of the soleus and the two heads of the...
Batista, however, was sidelined for much of 2003 after he tore his right triceps muscle at a Raw live event in a tag team match alongside Orton against...
following night on Raw, Cena announced he would undergo surgery for a triceps tear and would be out for four to six months. Cena returned at Hell in...