Triceps Brachii
Triceps Brachii - Related Videos
08:48
Measurement of Healthy and Injured Triceps Surae Morphology
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Cited by 7 •
2023
Ultrasound imaging is becoming more accessible in clinical and research settings, and a consistent protocol will be beneficial for comparison between studies and for clinical interpretations. This protocol for ultrasound evaluation is a valid and reliable method to evaluate Achilles tendon morphology in healthy, tendinopathic, and ruptured tendons.
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Combining Multiple Data Acquisition Systems to Study Corticospinal Output and Multi-segment Biomechanics
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Cited by 1 •
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The use of transcranial magnetic stimulation (TMS) to study human motor control requires the integration of data acquisition systems to control TMS delivery and simultaneously record human behavior. The present manuscript provides a detailed methodology for integrating data acquisition systems for the purpose of investigating human movement via TMS.
10:09
Elbow Exam
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2023
Source: Robert E. Sallis, MD. Kaiser Permanente, Fontana, California, USA The elbow is a hinged joint that involves the articulation of 3 bones: the humerus, radius, and ulna. It is a much more stable joint than the shoulder, and because of that, the elbow has less range of motion. The elbow and its structures are prone to significant injuries, particularly with repetitive motion. Lateral and medial epicondylitis (also called tennis elbow and golfer's elbow) are two common diagnoses and often...
10:57
Intramuscular Injections Along the Motor End Plates: A Minimally Invasive Approach to Shuttle Tracers Directly into Motor Neurons
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Cited by 20 •
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The efficacy of intramuscular uptake and retrograde transport of molecules to corresponding motor neurons depends on the location of the injection sites with respect to the motor end plates (MEPs). Here, we describe how to locate MEPs on skeletal muscles to optimise retrograde transport of tracers into motor neurons.
05:25
Step By Step: Microsurgical training method combining two nonliving animal models
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Cited by 25 •
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Here we describe how to set up a small microsurgical practice station and a simple and inexpensive method for the training of microsurgery with non-living animal models.
FAQs
The three heads give the muscle a coordinated arrangement: the long, lateral, and medial portions merge into one tendon rather than acting through separate distal attachments. That shared tendon transmits their combined pull to the forearm through the olecranon of the ulna. This structure links upper-arm muscle activity with a single, clearly defined elbow movement.
The long head has a broader mechanical role than the other two heads because it crosses both the shoulder and elbow regions. Its contraction can therefore contribute not only to elbow extension but also to positioning and stabilizing the arm at the shoulder. This relationship is important when analyzing upper-limb coordination, because movement at one joint can be considered alongside support at another.
In upper-limb biomechanics, the triceps brachii connects muscle contraction with movement at the elbow and, through its long head, with shoulder positioning. This makes it useful for studying coordination rather than viewing elbow extension as an isolated action. Observing the muscle in this context helps relate anatomy, joint motion, and the mechanical consequences of contraction.
In anatomy education, the triceps brachii provides a concrete example of how muscle architecture relates to movement. Students can connect its three heads, shared distal tendon, elbow action, and the long head’s shoulder involvement within one upper-limb model. That combination supports learning about structure, coordination, and biomechanics without treating muscles as isolated anatomical labels.
In physical training and rehabilitation, the muscle’s documented functions provide a basis for discussing elbow extension, arm positioning, and shoulder stability. These contexts can use anatomical knowledge to relate desired upper-limb movement to the structures producing it. The same framework supports evaluation of movement during recovery, while keeping attention on coordination across the elbow and shoulder.
For suspected nerve or muscle injury, the triceps brachii is relevant because altered function may affect the movement it normally produces. Assessment can therefore consider elbow extension together with the long head’s contribution to arm positioning and stability. This makes the muscle useful as part of a broader anatomical and movement-based evaluation, rather than as an isolated site of observation.