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Treadmill

A motorised walking, jogging and running exercise with adjustable speed and incline. It supports controlled cardiovascular training, endurance development and interval work while allowing pace and workload to be changed during the session.
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MUSCLES INVOLVED
- Gluteus maximus - Gluteus medius and minimus - Quadriceps femoris - Hamstrings - Gastrocnemius - Soleus - Tibialis anterior - Iliopsoas - Rectus abdominis - Internal and external obliques - Erector spinae - Deltoids
Exercise Demonstration Watch the Movement
Technique

How to Perform

Follow the setup and execution sequence below before adding load or increasing training intensity.

01

Setup

1. Check that the treadmill is stationary, the running belt is clear and there is sufficient unobstructed space behind the machine. Wear suitable training shoes and secure loose clothing and laces.

2. Familiarise yourself with the console, handrails, speed and incline controls, Stop button and emergency-stop system. Attach the safety clip to your clothing if the treadmill has one.

3. Stand on the stationary side rails, facing forwards. Use the handrails for support while preparing to start the machine.

4. Select Quick Start or a suitable manual programme. Begin at the lowest practical walking speed, with the incline set to 0% unless your programme specifies otherwise.

5. Once the belt is moving slowly, carefully step onto it, establish a comfortable walking rhythm and position yourself centrally on the running surface.

6. Release the handrails once balanced, provided you can walk safely without support. Adjust speed and incline gradually to reach the intended walking, jogging or running workload.
  • Check the belt, footwear and surrounding space before starting.
  • Locate the Stop button and emergency-stop mechanism before using the treadmill.
  • Attach the safety clip securely if provided.
  • Start from the stationary side rails with the belt at a slow walking speed.
  • Face forwards and establish balance before increasing speed.
  • Begin at 0% incline unless the training programme specifies otherwise.
  • Position yourself centrally on the running belt, without standing too close to the front console or rear edge.
  • Use the handrails for mounting and initial balance; avoid relying on them continuously during normal walking or running.
Equipment & Machine Setup

CONSOLE & START CONTROLS

Identify the Start or Quick Start control and the Stop button. Quick Start usually begins a manual workout without requiring a preset programme. Some consoles offer separate Manual, Interval, Hill or Heart Rate programmes.

SPEED CONTROL

Use the Speed +/− buttons, touchscreen controls or adjustment keys to change belt speed. Check whether the console displays km/h or mph. Increase or decrease speed progressively rather than making abrupt changes.

INCLINE CONTROL

Use the Incline +/− controls to adjust the treadmill gradient, usually displayed as a percentage. Start at 0% for a general warm-up unless otherwise prescribed. Allow the deck to finish adjusting before making further large changes.

SAFETY STOP

Locate the emergency-stop button or magnetic safety key. Where a safety clip is fitted, attach it securely to your clothing and confirm the safety mechanism is correctly engaged before starting. Emergency-stop systems vary between models.

WORKOUT DISPLAY

Check the displayed speed, incline, elapsed time and distance. Heart rate, estimated calories, pace and programme profiles may also be available, depending on the console.

PROGRAMME SELECTION

For straightforward pace and incline control, select Quick Start or Manual mode. Preset programmes may automatically change speed or incline; review their settings before beginning.

HANDRAILS & RUNNING SURFACE

Use the handrails for support when starting or stopping. The stationary side rails provide a place to stand before starting the belt. During normal walking or running, remain centrally positioned with sufficient clearance for natural arm movement.

02

Execution

1. Begin walking at a comfortable speed. Face forwards, keep your gaze ahead and allow your arms to swing naturally beside your body.

2. Maintain an upright, relaxed posture with your head and trunk aligned. Avoid excessive forward leaning, looking down at your feet or holding the handrails during normal walking or running.

3. Walk with a comfortable, natural stride. Allow your feet to contact the belt beneath or close to your body rather than deliberately reaching forwards with each step.

4. To progress into jogging, increase the belt speed gradually. Allow your stride length and cadence to adapt naturally as you transition from walking to running.

5. During running, maintain a controlled rhythm with relaxed shoulders, coordinated arm movement and foot contact relatively close to your centre of mass. Avoid deliberately forcing a particular foot-strike pattern.

6. Adjust the incline according to the training objective. As the gradient increases, allow a natural adjustment in body position and stride mechanics without excessive bending at the waist or pulling against the handrails.

7. For intervals, alternate between the prescribed work and recovery intensities. Make speed or incline adjustments progressively and maintain control throughout each transition.

8. To finish, gradually reduce the speed to a comfortable walk. Continue walking until the belt slows, then press Stop and wait until the belt has completely stopped before stepping off. Use the emergency-stop mechanism immediately if necessary.
  • Maintain a forward gaze and a relaxed, upright posture.
  • Stay centrally positioned on the moving belt.
  • Allow natural arm swing and coordinated upper- and lower-body movement.
  • Keep foot contact relatively close to the body; avoid excessive overstriding.
  • Increase running speed progressively and maintain a controlled stride rhythm.
  • Avoid forcing a particular foot-strike pattern or an arbitrary cadence.
  • Adjust incline according to the training objective and individual ability.
  • Allow natural changes in stride mechanics when walking or running uphill.
  • Avoid holding the handrails continuously during normal walking or running.
  • Maintain control during transitions between walking, jogging, running and recovery intervals.
  • Reduce speed gradually before stopping, and never step off a moving belt.
Coaching Essentials

Key Coaching Points & Common Errors

Focus on these key coaching cues and avoid the common technical errors that can reduce control, efficiency, and consistency.

01

Key Coaching Points

  • Match walking or running pace to the intended training intensity.
  • Establish a comfortable rhythm before increasing the workload.
  • Use breathing and perceived effort to judge intensity alongside the displayed speed.
  • Allow stride length and cadence to adapt naturally as speed changes.
  • Maintain consistent movement quality throughout the session.
  • Adjust speed or incline when fatigue begins to affect running control.
  • Choose a pace you can repeat consistently during interval training.
02

Common Errors

  • Selecting a belt speed beyond the user's ability to maintain a controlled stride.
  • Overstriding to keep up with the belt instead of adjusting the speed.
  • Repeatedly drifting towards the front or rear of the running surface.
  • Holding the handrails to sustain a speed or incline that is too demanding.
  • Making sudden, large speed or incline changes during demanding efforts.
  • Starting intervals too aggressively and losing consistency across repetitions.
  • Continuing at the same intensity despite clear deterioration in running control.
Important Considerations
Treadmill speed is not equivalent to training intensity for every individual. Fitness, running economy, incline and fatigue influence the effort required. Use breathing, perceived exertion and heart rate where appropriate to interpret the workload.

Treadmill and outdoor running share many movement characteristics, but they are not identical. Belt speed, gradient, wind resistance and surface conditions affect comparisons. A 1% incline is not universally required to reproduce outdoor running.

Walking, jogging and running have different mechanical and cardiovascular demands. Increasing incline changes the workload and lower-limb demands; it should not automatically be treated as a substitute for increasing speed.

When monitoring progress, compare sessions using consistent speed, incline, duration and workout structure. Treadmill distance, estimated calories and displayed pace should be interpreted within the limitations of the machine's measurements.
Movement Science

Anatomy & Biomechanics

Understand the muscles, joints and movement mechanics involved in the exercise, including how the body creates force, maintains control and completes each repetition.

Anatomy
Treadmill walking and running involve coordinated activity across the hips, knees and ankles. The gluteus maximus contributes to hip extension, the quadriceps support and extend the knee, and the hamstrings assist hip movement and control the swinging leg.

The gastrocnemius and soleus contribute to ankle plantarflexion and support during stance, while the tibialis anterior helps control foot position. Hip flexors advance the leg, the gluteus medius and minimus assist pelvic control, and the abdominal and spinal muscles stabilise the trunk. Shoulder and arm muscles coordinate arm swing.

Muscle activity and loading vary with speed, incline and the transition from walking to running.
  • Gluteus maximus contributes to hip extension and propulsion.
  • Quadriceps support the knee during stance and contribute to knee extension.
  • Hamstrings assist hip extension and control the leg during swing.
  • Gastrocnemius and soleus contribute to ankle plantarflexion and support.
  • Tibialis anterior controls ankle and foot positioning.
  • Hip flexors advance the leg during swing.
  • Gluteus medius and minimus assist pelvic stability.
  • Abdominal and spinal muscles control trunk movement.
  • Arm muscles contribute to coordinated arm swing.
Biomechanics
Treadmill walking and running involve repeated stance and swing phases. During stance, the supporting leg absorbs load, controls body position and generates propulsion. During swing, the opposite leg advances in preparation for the next foot contact.

Walking includes periods of double support, whereas running includes a flight phase. Speed influences stride length, cadence, ground contact time and the forces acting through the lower limbs.

Increasing incline changes joint mechanics and increases the demand for uphill movement, particularly through the hip and ankle. The motorised belt maintains the selected speed, but the individual must still generate and control forces to maintain position.

Treadmill and outdoor locomotion are biomechanically similar, although belt characteristics, surface compliance, gradient and the absence of normal air resistance can produce differences.
  • Walking alternates stance and swing with periods of double support.
  • Running includes a flight phase between successive ground contacts.
  • Hip, knee and ankle joints coordinate weight acceptance and propulsion.
  • Ground reaction forces and joint loading vary with speed, technique and incline.
  • Stride length, cadence and contact time adapt to running speed.
  • Incline changes lower-limb joint mechanics and muscular demands.
  • The moving belt controls surface speed but does not eliminate the need for propulsion.
  • Treadmill and outdoor running are broadly comparable but not biomechanically identical.
Practical Application

Variations & Programming

Explore useful exercise variations and learn how the movement can be selected, adapted and programmed according to your training goal, experience and individual needs.

Variations
  • Level treadmill walking
  • Incline treadmill walking
  • Steady-state jogging
  • Continuous running
  • Walk–run intervals
  • Tempo running
  • Speed intervals
  • Incline intervals
Programming
  • General cardiovascular conditioning
  • Aerobic endurance development
  • Low-intensity recovery sessions
  • Running fitness and endurance
  • Tempo and threshold training
  • High-intensity interval training
  • Progressive return-to-running programmes
  • Warm-up and cool-down activity
Programming Note
Select walking, jogging or running according to individual fitness, experience and training goals. For continuous aerobic work, use a sustainable intensity and progress duration gradually. For tempo and interval sessions, prescribe speed, incline, work duration and recovery according to the intended training stimulus.

Monitor perceived effort, heart rate where appropriate, and the ability to maintain consistent performance. Progress running volume and intensity progressively, allowing adequate recovery between demanding sessions.

Treadmill speed and incline provide repeatable training conditions, but displayed pace and distance should be interpreted alongside individual effort and machine calibration.
Workout Application

Training Considerations

Use these guidelines to adapt the exercise to individual needs, experience and tolerance.

Use Caution When
  • Lower-limb pain or symptoms aggravated by walking or running.
  • Balance, coordination or mobility limitations affecting safe treadmill use.
  • Returning to running after injury, illness or prolonged inactivity.
  • Difficulty maintaining control at higher speeds or inclines.
Possible Modifications
  • Reduce speed, incline or session duration.
  • Alternate walking and running with appropriate recovery.
  • Use shorter intervals to manage fatigue and maintain control.
  • Choose a stationary bike or another suitable cardio machine when treadmill impact is poorly tolerated.
Safety Note
Follow the manufacturer's safety instructions and use the safety clip where provided. Never step onto or off a fast-moving belt. Reduce speed before finishing and wait until the belt stops before dismounting.

Stop exercising if dizziness, chest discomfort, faintness or unusual breathlessness occurs. Seek urgent medical assistance for severe or persistent symptoms.