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Lesser tubercle

Lesser tubercle is a science 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 Lesser tubercle rather than just read about it. In short: The lesser tubercle of the humerus, although smaller, is more prominent than the greater tubercle: it is situated in front, and is directed medially and anteriorly. The projection of the lesser tubercle is anterior from the junction that is found between the anatomical neck and the shaft of the humerus and easily identified due to the intertubercular sulcus (Bicipital groove).

Lesser tubercle — main illustration
Lesser tubercle — illustration

Key takeaways

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

Reference excerpt

The lesser tubercle of the humerus, although smaller, is more prominent than the greater tubercle: it is situated in front, and is directed medially and anteriorly. The projection of the lesser tubercle is anterior from the junction that is found between the anatomical neck and the shaft of the humerus and easily identified due to the intertubercular sulcus (Bicipital groove).

Above and in front it presents an impression for the insertion of the tendon of the subscapularis.

Additional images

References This article incorporates text in the public domain from page 209 of the 20th edition of Gray's Anatomy (1918)

External links Anatomy figure: 03:02-13 at Human Anatomy Online, SUNY Downstate Medical Center Anatomy figure: 05:01-09 at Human Anatomy Online, SUNY Downstate Medical Center Anatomy figure: 10:02-12 at Human Anatomy Online, SUNY Downstate Medical Center Diagram at uwlax.edu

Illustrations

Lesser tubercle: Lesser tubercle of right humerus
Lesser tubercle of right humerus
Lesser tubercle: Insertion of subscapularis muscle
Insertion of subscapularis muscle
Lesser tubercle illustration
Lesser tubercle illustration

Worked examples

Example 1 — a first encounter with Lesser tubercle

Start with the simplest possible case. Write down what Lesser tubercle claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Lesser tubercle 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 Lesser tubercle 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 Lesser tubercle

In research
Lesser tubercle appears in science 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 Lesser tubercle 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
Lesser tubercle is common in secondary-school and first-year university syllabi. It links to neighbouring topics Bones of the upper limb, Humerus, Musculoskeletal system stubs, so understanding it makes those chapters shorter.
In everyday life
Look for Lesser tubercle 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 Lesser tubercle in 20 minutes

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

Frequently asked questions

What is Lesser tubercle in simple terms?

The lesser tubercle of the humerus, although smaller, is more prominent than the greater tubercle: it is situated in front, and is directed medially and anteriorly. The projection of the lesser tubercle is anterior from the junction that is found between the anatomical neck and the shaft of the hum…

Why does Lesser tubercle matter?

Because it connects several science 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 Lesser tubercle?

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 Lesser tubercle.

Tags

  • Bones of the upper limb
  • Humerus
  • Musculoskeletal system stubs

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