biology

Lateral epicondyle of the humerus

Lateral epicondyle of the humerus is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Lateral epicondyle of the humerus rather than just read about it. In short: The lateral epicondyle of the humerus is a large epicondyle, a tuberculated eminence, curved a little forward, and giving attachment to the radial collateral ligament of the elbow joint, and to a tendon common to the origin of the supinator and some of the extensor muscles. Specifically, these extensor muscles include the anconeus muscle, the supinator, extensor carpi radialis brevis, extensor digitorum, extensor di…

Key takeaways

Lateral epicondyle of the humerus belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Lateral epicondyle of the humerus to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Lateral epicondyle of the humerus from memory before moving on to harder problems.

Reference excerpt

The lateral epicondyle of the humerus is a large epicondyle, a tuberculated eminence, curved a little forward, and giving attachment to the radial collateral ligament of the elbow joint, and to a tendon common to the origin of the supinator and some of the extensor muscles. Specifically, these extensor muscles include the anconeus muscle, the supinator, extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, and extensor carpi ulnaris. In birds, where the arm is somewhat rotated compared to other tetrapods, it is termed the dorsal epicondyle of the humerus. In comparative anatomy, the term ectepicondyle is sometimes used. A common injury associated with the lateral epicondyle of the humerus is lateral epicondylitis also known as tennis elbow. Repetitive overuse of the forearm, as seen in tennis or other sports, can result in inflammation of "the tendons that join the forearm muscles on the outside of the elbow. The forearm muscles and tendons become damaged from overuse. This leads to pain and tenderness on the outside of the elbow."

See also Medial epicondyle of the humerus Common extensor tendon

Additional images

References This article incorporates text in the public domain from page 212 of the 20th edition of Gray's Anatomy (1918)

External links Anatomy figure: 07:02-03 at Human Anatomy Online, SUNY Downstate Medical Center Slim Golf Blog - Treating & Preventing Golfer's Elbow radiographsul at The Anatomy Lesson by Wesley Norman (Georgetown University) (xrayelbow)

Illustrations

Lateral epicondyle of the humerus illustration

Worked examples

Example 1 — a first encounter with Lateral epicondyle of the humerus

Start with the simplest possible case. Write down what Lateral epicondyle of the humerus claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Lateral epicondyle of the humerus before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Lateral epicondyle of the humerus ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Lateral epicondyle of the humerus

In research: Lateral epicondyle of the humerus appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Lateral epicondyle of the humerus in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Lateral epicondyle of the humerus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Humerus, Musculoskeletal system stubs, Upper limb anatomy, so understanding it makes those chapters shorter.
In everyday life: Look for Lateral epicondyle of the humerus outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Lateral epicondyle of the humerus in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Lateral epicondyle of the humerus means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Lateral epicondyle of the humerus out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Lateral epicondyle of the humerus in simple terms?

Why does Lateral epicondyle of the humerus matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Lateral epicondyle of the humerus?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Lateral epicondyle of the humerus.