Exploring Posterior Major Muscles

Free to teach as-is — the teacher guide, student handout, and slides are included.

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Objective

I can identify the location and function of the posterior major muscles.

Part 1 of 4

Warm-up video

Ninja Nerd · 10:39

We don't generate video — this one is by Ninja Nerd on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 4

Key concepts

3 concepts

  1. 1

    The trapezius muscle has three main functions: to elevate the scapula, extend the neck, and retract the scapula.

  2. 2

    The infraspinatus and teres minor muscles both laterally rotate or externally rotate at the shoulder joint, making them synergists.

  3. 3

    The erector spinae muscles, including the spinalis, longissimus, and iliocostalis, extend the vertebral column and neck.

Part 3 of 4

Practice

7 questions

1

The trapezius muscle has three main functions. Name two of them.

2

What is the primary function of both the infraspinatus and teres minor muscles?

Part 4 of 4

Exit ticket

Quick comprehension check

Name the three functions of the teres major muscle and its location.

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

  • Slides

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