ISSA CPT Module 3: muscles, joint actions and movement

Module 3 quiz: 3 free questions

Answer these first, then read what the module covers. No sign-up.

What this module is about

Module 3 is where anatomy starts to move. It takes the muscles and joints from Module 2 and asks what they do during a real exercise: which muscle drives the lift, which ones help, which one has to let go, and which ones hold everything steady. Then it names the ways each joint can move, so that a trainer can describe any exercise precisely.

The second half zooms out. Instead of single muscles, it sorts the whole range of exercise into a handful of movement patterns, such as pushing, pulling, squatting and hinging, and adds the supporting work around them and the equipment used to load them. Thinking in patterns is how coaches build balanced programs and spot what a client is missing.

This is the module where pictures help most. If you can see the knee bend in a calf raise or the hips shift back in a deadlift, the scenario questions almost answer themselves. The app pairs many of these terms with labeled pictures for that reason.

The five lessons

1. Roles & joint actions. The jobs muscles take in a lift, mover, helper, brake and anchor, and the names for how each joint bends, straightens and turns.
2. Key muscle groups. The major muscles a trainer works with every day, where they sit and what each one does to a joint.
3. 7 pillars of movement. The seven basic movement patterns that nearly every exercise is built from, and how to spot each one.
4. Beyond the pillars. The exercises that sit around the main patterns: waking a muscle up, working one muscle alone, and fixing a movement fault.
5. Equipment modalities. The tools of the gym floor, from free weights and cables to bands, balls, ropes and straps, and what each is good for.

68 terms in this module

Muscle roles, joint actions, the key muscle groups, the movement patterns and the equipment. The full list of Module 3 term names is in the glossary.

Look-alikes to keep apart

Muscles that share a job and patterns that look alike from the side are easy to mix up:

• Agonist or Synergist

  The agonist is the main mover in a lift; a synergist helps it, like the triceps helping the chest in a bench press.

• Gastrocnemius or Soleus

  Both raise the heel. With the knee straight the gastrocnemius does most of the work; bend the knee and the soleus takes over.

• Rhomboids or Trapezius

  Both pull the shoulder blades together, so the app never asks you to choose between them on that. The trapezius also lifts and lowers the shoulder blades and runs up to the neck.

• Hinge or Squat

  In a hinge the hips travel back and the torso tips forward with the knees soft; in a squat the hips, knees and ankles bend together and the torso stays taller.

• Activation Exercises or Isolation Exercises

  Activation is a light warm-up to wake a muscle before the main work; isolation is the main work for one muscle at one joint.

On the exam

In our reading, Module 3 feeds two of the NCCPT outline's largest areas, Applied Science and Exercise Technique, at 25 percent each. See how the exam works.