High-school Teach physiology with muscle signals

Help students explain how muscles work using signals they record themselves.

Use established muscle, heart and brain investigations alongside your A&P course. Choose a question, review the teaching materials, then check the recording setup your students will use.

Two students arm-wrestling while a SpikerBox records their muscle signals

Choose an existing human physiology investigation

Start with the published experiment and decide what students will observe, record and explain. The optional load-comparison guide follows these existing routes.

Existing labs. Questions to choose

Read each established experiment’s method, materials and measurement limits. Choose the question before choosing the station count.

  • How do muscles share the work?

    Compare biceps and triceps recordings across movements. Discuss agonist/antagonist roles and coactivation. Uses two channels and five patches with a shared reference.

    Explore paired-muscle EMG
  • What makes a heartbeat visible?

    Record a surface ECG from the wrists, identify repeating features and estimate heart rate. Connect the trace to cardiac electrical events.

    Explore the ECG activity
  • Can you see a brain rhythm?

    Explore EEG and alpha activity with the included headband and gel. Add this after students can discuss contacts, noise and muscle artifacts.

    Explore the EEG activity

Published classroom work you can inspect

Hanzlick-Burton and colleagues describe eight lessons and 21 investigations with student materials, teacher support and sample recordings. Their Bowdoin classroom example already compared EMG RMS while students held light and heavy objects.

That implementation involved 23 nonmajor undergraduates and historical equipment. It informs lesson selection; it does not establish high-school learning gains or validate this site’s optional bottle plan.

The paper’s Supplementary Information section identifies the original student supplement. Publisher-hosted files may be unavailable, and the archive may request verification before download. It uses historical software instructions; read current connection and measurement guidance separately. The book’s chapters 18 and 21 develop biceps recordings and isometric holds.

Biceps EMG setup: two upper-arm patches, a 90-degree elbow and palm-up bottle hold. A separate hand view shows the reference patch.

Optional guide A known comparison. Current setup

The light/heavy-object EMG comparison was described by Hanzlick-Burton and colleagues in 2020. This guide adapts it to current Human SpikerBox and Spike Recorder. The book also teaches biceps recording and isometric holds.

Use the guide’s optional trial plan, recording sheet and suggested assessment if they fit your class. Its exact bottle amounts, six-trial order, timing and classroom performance have not been validated; your lab notebook can be the primary record.

What students learn

  • A controlled comparison

    Ask why an arm can stay still while its muscles are active. Change one condition and compare the recording.

  • A visible learning outcome

    Connect motor neurons, muscle fibers and joint position. Students use a table and graph to explain what they observed.

  • A way for everyone to contribute

    Work as recorder, timekeeper or analyst. Wearing electrodes is optional; everyone can analyze the group’s data.

Fit the investigation to your course

Choose the activity’s scope before setting your schedule. The optional guide offers a 60-minute core and a 75–90-minute college plan; these are new planning estimates, not measured completion times. Rehearse on the actual classroom device and leave time for analysis.

Use existing investigations alongside skeletal muscle, nervous-system or health-science teaching. Select the student task and prerequisites first. If you use the optional guide, retain its record of conditions, graph and limited claim; use the supplied sheet or your lab notebook.

What your first station needs

Start with one Human SpikerBox, three fresh electrodes per volunteer, a USB data cable and a computer running Spike Recorder. The featured lesson adds two plastic bottles and 250 mL of water. No Reaction Timer or Reflex Hammer is required.

The worksheet follows the current browser app on Chrome/Edge or Chrome on Chromebook. Managed devices must allow serial access. For iPad, iPhone or Android, check the native app and data cable for that specific device before you plan the class.

One recording kit. Muscle, heart & brain

  • Human SpikerBox

    The human physiology recording kit

    Use the same kit for EMG, ECG, EEG and eye-movement recordings, with the appropriate setup. The lesson here uses one channel and one electrode cable. Includes battery, USB-C cable and 12 patches; bring your computer. No timer or reflex accessory is needed.

    $299.99

  • Large Muscle Electrodes

    Plan fresh patches for each placement

    Keep your class ready for the next volunteer. Three fresh patches per biceps placement; six trials use the same attached set. Removed patches are not reused. Plan for every section and a few replacements.

    $24.99

Connect the lab to the unit you already teach

Students model the connection between the nervous and muscular systems, investigate a controlled change and support an explanation with data. The pathway drawing can contribute to NGSS HS-LS1-2’s work on interacting body systems; this single lab does not cover the entire performance expectation.

In a health-science class, use the same evidence to discuss movement and measurement. This is a physiology investigation, not clinical diagnosis or certification. For dual enrollment, review the college extension and assessment with the credit-granting instructor.

Choose the investigation first.

Read the established method and teaching resources. Check the current device workflow, then plan stations and supplies for your course.

Equip your class one station at a time

  • Plan your station count

    Tell us your class size, number of sections, devices and first lab. We can discuss an equipment list for one shared station or a class set.

  • School purchase orders

    BYB accepts purchase orders. Include your equipment list, shipping destination and required date when asking about current terms and delivery.

  • Paperwork, ready to use

    Download the signed W-9 for your purchasing office. The sole-source letter (PDF) is available too.

Keep exploring

  • Current-device teaching guide

    Use the optional adaptation of a published EMG comparison, with source links, current setup help and analysis support.

    Review the optional EMG guide
  • College & dual enrollment

    Match the schedule, assessment and purchasing plan to your teaching setting.

    Explore college A&P
  • Classroom funding

    Find educator funding programs and build an equipment request around a specific lesson.

    Find classroom funding