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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 three parts: the medial, lateral, and long head. [1] It is the muscle principally responsible for extension of the elbow joint (straightening of the arm).
The triceps is one of the main movers of the elbow. The muscle works to stabilize the joint through tons of lifts. Good triceps strength helps ensure the safety of the joint.
Stand with feet hip-width apart and knees bent. Hinge forward at hips, holding a dumbbell in right hand. Keeping back straight, bend right arm 90 degrees at the elbow until triceps are aligned ...
Tricep extensions. Standing with your feet as wide as your hips, hold one dumbbell with both hands. Reach the dumbbell overhead. Keeping your biceps still, bend the elbows, keeping them in ...
Triceps is maximally efficient with the elbow flexed 20–30°. As the angle of flexion increases, the position of the olecranon approaches the main axis of the humerus which decreases muscle efficiency. In full flexion, however, the triceps tendon is "rolled up" on the olecranon as on a pulley which compensates for the loss of efficiency.
The olecranon (/ oʊ ˈ l ɛ k r ə n ɒ n /, from Greek olene 'elbow' and kranon 'head'), is a large, thick, curved bony process on the proximal, posterior end of the ulna.It forms the protruding part of the elbow and is opposite to the cubital fossa or elbow pit (trochlear notch).
Its role in elbow extension is trivial in humans. It assists in extension of the elbow, where the triceps brachii is the principal agonist, and supports the elbow in full extension. [7] It also prevents the elbow joint capsule being pinched in the olecranon fossa during extension of the elbow. Anconeus also abducts the ulna and stabilizes the ...
The triceps are the largest muscle group in the arm. Tone the back of the arm with dumbbell tricep exercises like skull crushers, tricep kickbacks and more. ... With the elbow bent, extend the arm ...