Week 11 — Readings & Resources

Human Anatomy and Physiology I Free sample edition

Your primary reading is Chapter 11 (in this module). Everything below is the optional, go-deeper layer — pick what helps, skip the rest.

How to use this page

This page has 10 items (4 readings and 6 videos). Allow 43–51 minutes for everything. Each group points back to the matching chapter section and class-session segment, so use the full menu when you want more, or take the quick path below.

Every video here has captions: turn them on with the CC button in the player. The chapter covers the same ideas in text.

Pick-one quick path (18–21 min total)

① Which end moves, and who is on the team?

Chapter 11, Section “Find the anchor: origin, insertion, and belly” · Session 1, Segment 1, “Origin, insertion, and the muscle team” · Remember: the origin sits on the fixed bone, the insertion is pulled toward it, and the agonist and antagonist swap roles when a movement reverses.

Origins, Insertions, Actions and Innervations Explained — Corporis — a short explainer on what a muscle's origin, insertion, and action mean; keep to the first three ideas and skip the nerve supply, which goes beyond this course. This builds on Week 9's work with the joints and their movement pairs: name the movement each action makes. (video, 4 min) (captions: creator)
Functions of Agonists (Prime movers), Antagonists, Fixators and Synergists — Dr.A Explains Anatomy — a quick walk through the four roles in a muscle team; as you watch, say who the agonist and antagonist are in a curl, then say them again when the arm straightens. Use it while completing the Week-11 module overview. (video, 3 min) (captions: creator)

② Kinds of contraction and reading a muscle's name

Chapter 11, Section “Decode the name: the muscle-naming logic” · Session 1, Segment 3, “Contraction types and muscle names” · Remember: a muscle's name is a set of clues, and a contraction is sorted by whether the muscle shortens, lengthens under tension, or holds the joint angle.

The 7 Criteria for Naming Skeletal Muscles - Made Easy — Dr.A Explains Anatomy — a five-minute tour of the seven kinds of clue in a muscle's name; pause after each one and match it to an example from the chapter's table. (video, 5 min) (captions: creator)
Easiest Way to Remember Contraction Types: Concentric vs Eccentric vs Isometric — Corporis — a memory-friendly explainer on shortening, lengthening, and holding contractions; keep to concentric, eccentric, and isometric contractions, and skip isokinetic contraction, a category this course does not use. (video, 9 min) (captions: creator)

③ Levers, the trade-off, and the major muscles

Chapter 11, Section “Weigh the trade-off: force versus speed on the forearm lever” · Session 2, Segment 6, “Levers and the force-versus-speed trade-off” · Remember: a third-class lever puts the effort in the middle, so the muscle pulls harder than the load and the hand gains speed.

Lever systems in the human body — Human Anatomy Education — a narrated tour of the three lever classes with body examples; for each one, say what sits in the middle before the video names the class. (video, 7 min) (captions: creator)
What levers does your body use? — Science Learning Hub — a plain-language article on bones as levers, joints as pivots, and muscles as the effort; read the three classes and the bent-arm example, and compare its words for the parts with the chapter's fulcrum, effort, and load. (reading, 6–9 min)
Biceps curl — Science Learning Hub — a short activity page that models the forearm as a hinged lever and asks why the biceps must pull much harder than the load in the hand; read it as a picture of the chapter's forearm lever, with no new numbers to learn. (reading, 2–4 min)
Lower Extremity — SEER Training Modules — a short reference page on the muscles that move the thigh, leg, and foot; read the lines on the quadriceps femoris, the hamstrings, the tibialis anterior, and the gastrocnemius, and note how it pairs each with its antagonist. Skip the hip-muscle groups, which this course does not cover in detail. Stop here before the neuron and its action potential; next week takes that up. (reading, 2–3 min)
THE MUSCLES SONG (Learn in 3 Minutes!) — Neural Academy — a short song that runs through major muscles and what they do; use it to rehearse the chapter's ten muscles, and treat any total count of muscles it gives as one estimate, since the number depends on how muscles are counted. (video, 3 min) (captions: creator)

Optional one-stop reference (free online reference)

Muscle Groups — SEER Training Modules — the course's free online anatomy reference, open at its page on how skeletal muscles are named; read the naming list and compare it with the chapter's seven kinds of clue, and skip the cancer-registration material elsewhere on the site. (reading, 2–4 min)

Heads-up (links rot): these point to outside sites that occasionally move or rename pages. If a link ever fails, tell your instructor and use the reference above in the meantime.

Provenance: Built with The Course Maker · samples.thecoursemaker.com