PROPRIOCEPTION IN SQUATTING – WHY FEELING THE FLOOR MATTERS
Squatting heavy isn’t just a test of force generation, it’s a test of control. The better your body senses the floor, the cleaner your movement becomes. Yet most lifters dull that sense with thick midsoles, spongy mats, or unstable wedges, and then wonder why squat depth, knee tracking, or bar path feel inconsistent.
Proprioception – your ability to sense the position and movement of your body without looking – starts at the feet. When the message from the feet to the central nervous system (CNS) is crisp, your ankles, knees, and hips organise better under load. This article is about refining that message. We'll define what "feeling the floor" means, why it changes how you squat, and the simple cues and drills that help you consistently squat with control.
WHAT IS PROPRIOCEPTION AND WHY DOES IT MATTER FOR SQUATS?
Proprioception is defined as the sense through which we perceive the position and movement of our body. It's how you know where body segments are in space, and how hard muscles are working, without needing to look.
The signal comes from three main places: muscle spindles (which sense length and speed of stretch), Golgi tendon organs (which sense tension), and joint and skin receptors (which sense angle, pressure, and shear). In a squat, those sensors feed the central nervous system with a continuous stream of data [1]. Within fractions of a second, your brain interprets that data and adjusts motor output, so you stay balanced, track your knees, and keep the bar over midfoot. This powerful control loop runs continuously in real time – those with highly developed proprioception feel it as a steady base and predictable depth rather than last-second saves [2]. When load is high and time is short, the nervous system leans on proprioception over vision to keep you balanced and the bar stacked.
The feet are the gateway to that loop in squatting. The plantar surfaces of your feet are packed with cutaneous receptors that tell you exactly where pressure is and how it's shifting. That ‘map’ anchors everything upstream – ankle stiffness, knee path, hip position, even how confidently you hit depth. If the signal from the feet is noisy, the system is forced to guess, and you get late corrections – wobble, extra bracing, or a rushed ascent. If the message is crisp, you can keep pressure where you want it and let the big joints do their job. In short, proprioception is the information source, feeling the floor is how you make that information useful under load [3].
THE ROLE OF THE FOOT IN SQUATTING – PLANTAR RECEPTORS AND CENTRE OF PRESSURE
Think of the foot as the ground-truth sensor in the squat control loop. The plantar skin contains several types of mechanoreceptors that detect pressure, vibration, and shear. Together with receptors in the small muscles and joints of the foot, they deliver a continuous high-resolution estimate of centre of pressure (CoP) location and velocity to the CNS [4,5].
In a squat, that internal map should look like a stable tripod – big toe, little toe, and heel sharing load – with the CoP living around the midfoot. Subtle shifts in that map change upstream behaviour – the ankle adjusts stiffness, the knees track more cleanly, and the hips stay stacked over the foot, all so the bar stays over midfoot. When the map blurs (e.g. on a soft, compressible, or unstable surface), the nervous system loses precision and is forced to make late corrections.
In a true systems control interpretation, two details matter for signal quality. Spatial resolution (can you distinguish small shifts between forefoot and rearfoot, or inside and outside edge) and frequency (can you feel fast changes e.g. vibration or shear particularly at depth) [6].
Firm, stable contact with the floor preserves both. Overly soft or unstable surfaces act like a low-pass filter, smearing the exact cues you need to control force with precision. The better the input, the fewer compensations and last-minute corrections your system has to create, meaning steadier depth and cleaner power on the way up.
HOW ‘FLOOR FEEL’ SHAPES DEPTH, STABILITY, AND POWER
‘Floor feel’ matters because CoP is the steering wheel of the squat [7]. When CoP drifts forward, the ankle plantar flexors are forced to work harder to stop you tipping. The tibias glide faster, the knees chase the toes, and many lifters respond by cutting depth or pitching the chest to keep the bar over midfoot.
When CoP drifts back, the system flips – your hips grab the load, the shins stall, and the bar wants to track behind you. Tiny CoP shifts create big upstream changes in joint torques, so a dull or delayed foot signal forces the CNS to correct late [8] – cue heel pops, toe-gripping, or valgus ‘wobbles’ at depth.
Crisp and clean plantar input does the opposite. It anchors the control loop that keeps CoP where you want it. You can sense where the pressure sits, bias it to midfoot, and make micro-adjustments early enough that the ankle, knee, and hip stay organised. The bar path looks cleaner, depth feels predictable, and bracing becomes purposeful rather than reactive [9].
In practice you can think of floor feel as early information. Early information means early and largely invisible adjustments. The result shows up in the things lifters care about: consistent depth, fewer wobbles, and power that feels like it's going through the floor rather than fighting against it.
THE IMPACT OF FOOTWEAR ON SQUAT CONTROL AND ‘FLOOR FEEL’
Whatever choices you make, your footwear will always change the quality of the signal coming from the floor and impact your squat control loop. Cushioned trainers attenuate pressure and vibration – this is comfortable for running but can filter the cues your feet need to control force precisely. Weightlifting shoes sit at the other end of the spectrum – a rigid midsole and hard base keep your connection to the floor firm and predictable. You lose some comfort but keep crisp plantar information, which is why many lifters feel more stable even before you consider heel lift [10,11].
Minimal options, think barefoot lifting, socks, or thin flats, give the strongest raw sensation of floor feel, but clearly lack any additional support. This means it’s entirely down to you to control ankle range, maintain arch shape, and avoid rolling onto the inside edge of your foot at depth. Great for technique work if you can maintain foot structure, unforgiving if not. Surfaces matter too – firm lifting platforms and dense rubber matting preserve signal quality, while spongy tiles blur it and invite rocking throughout the squat [12,13,15].
As a simple rule, your footwear can very reasonably vary according to the task. For warmups and light technique work, many lifters like minimal or barefoot lifting to essentially sharpen the signal. For heavier sets, lifters should choose the interface (footwear / surface combination) that doesn’t rock or squash. The goal is always the same – keep the tripod of pressure, maintain stability over the midfoot without clawing the toes or popping the heels, and keep the bar stacked.
MAKE THE FLOOR YOUR COACH – SIMPLE CUES AND TESTS
Anyone who’s lifted for an amount of time knows what a good rep feels like. As you progress in your technique, learning to use the floor as your coach becomes a non-negotiable.
Start each set by making your feet quiet – feel the three contact points, gentle arch tension, and soft toes. Take the last third of your descent slow, keeping pressure centred over the midfoot and holding a short pause to confirm it. If you feel pressure increase towards the inside edge of your feet, nudge the knees out towards the second toe. If pressure rushes to the toes, think ‘heels heavy’ and recentre your balance. Drive through the floor on ascent so pressure reverses smoothly, pushing through the midfoot rather than chasing balance with the upper body.
If you keep losing that stable midfoot pressure then simplify – narrow the stance, slow the tempo, and consider using a firmer shoe or platform until the signal feels consistent. The goal isn’t more cues, its clearer information, earlier corrections, and a squat that feels organised rather than rescued.
SELF-SCREEN – FOUR QUICK TESTS FOR SQUAT PROPRIOCEPTION
Proprioception isn't abstract – it's what you feel under your feet. Before you add load, even in your warmup, spend a minute checking whether the floor's signal is getting through [14] with these four quick self-tests:
- Map the floor
Stand in your squat stance barefoot or in thin flats and gently shift front-back and side-side, keeping your toes relaxed. You should be able to find midfoot without losing heel contact or collapsing the arch, taking your time to understand your own centre of pressure movement.
- Firm vs foam sway
Repeat the first test for 30 seconds on a hard surface, then 30 seconds on a soft mat or cushioned trainers. On the firm surface you should feel quiet midfoot pressure and steady ankles. If sway grows or inside-edge pressure spikes on the soft surface, that's the damping effect we've discussed blurring the signals to your CNS.
- Tripod retention
Next do 3-5 slow bodyweight squats, taking 3-4 seconds to descend, a 1 second pause, and a slow controlled ascent. A good rep should feel like calm contact under big toe, little toe, and heel at depth, a bad rep shows up as toe-clawing, heel pop, or an inward rush of pressure.
- Vision dialled down
Finally, try a very light goblet squat set, and during the pause either soften your gaze or briefly close your eyes [15]. If balance changes the moment vision drops out, re-centre to midfoot and keep the load light. Keep all tests on a firm platform – once the signal is consistent build load or change surfaces.
WHAT’S NEXT – INTEGRATING HEEL ELEVATION AND ARCH SUPPORT
Proprioception is the information source; the floor is how you access it. If you can keep a calm tripod and steady midfoot pressure, the rest of the chain tends to organise itself – cleaner depth, quieter knees, and a bar path that stays stacked. Practise the cues and quick tests above until that feel is repeatable, and your squat will continue to reach new heights.
In our next article we'll explore how to layer equipment onto this base without losing the signal. We'll cover how to keep floor feel when you add heel elevation, when arch support helps stability, how these choices affect kinematics, and simple programming ideas for heavier days.
REFERENCES
[1] Proske, U, & Gandevia, S.C. (2012). The proprioceptive senses: Their roles in signaling body shape, body position and movement, and muscle force. Physiological Reviews, 92(4), 1651–1697.
[2] Peterka, R.J. (2002). Sensorimotor integration in human postural control. Journal of Neurophysiology, 88(3), 1097–1118.
[3] Viseux, F, Lemaire, A, et al. (2019). How can the stimulation of plantar cutaneous receptors improve postural control? Review and clinical commentary. Neurophysiologie Clinique, 49(6), 479–487.
[4] Kavounoudias, A, Roll, R, & Roll, J.P. (1998). The plantar sole is a "dynamometric map" for human balance control. NeuroReport, 9(14), 3247–3252.
[5] Kavounoudias, A, Roll, R, & Roll, J.P. (2001). Foot sole and ankle muscle inputs contribute jointly to human erect posture regulation. The Journal of Physiology, 532(3), 869–878.
[6] Viseux, F.J.F. (2020). The sensory role of the sole of the foot: Review and update on clinical perspectives. Neurophysiologie Clinique, 50(1), 55–68.
[7] Winter, D.A. (1995). Human balance and posture control during standing and walking. Gait & Posture, 3(4), 193–214.
[8] Peterka, R.J & Loughlin, P.J. (2004). Dynamic regulation of sensorimotor integration in human postural control. Journal of Neurophysiology, 91(1), 410–423.
[9] Ivanenko, Y, & Gurfinkel, V.S. (2018). Human postural control. Frontiers in Neuroscience, 12, 171.
[10] Sato, K, Fortenbaugh, D, & Hydock, D.S. (2012). Kinematic changes using weightlifting shoes on barbell back squat. Journal of Strength and Conditioning Research, 26(1), 28–33.
[11] Legg, H.S, Glaister, M, et al. (2017). The effect of weightlifting shoes on the kinetics and kinematics of the back squat. Journal of Sports Sciences, 35(5), 508–515.
[12] Alfuth, M. (2017). Textured and stimulating insoles for balance and gait impairments in patients with multiple sclerosis and Parkinson's disease: A systematic review and meta-analysis. Gait & Posture, 51, 132–141.
[13] Maurer,C, Mergner, T, et al. (2001). Human balance control during cutaneous stimulation of the plantar soles. Neuroscience Letters, 302(1), 45–48.
[14] Shumway-Cook, A, & Horak, F.B. (1986). Assessing the influence of sensory interaction on balance: Suggestion from the field. Physical Therapy, 66(10), 1548–1550.
[15] Okawara, N, & Usuda, S. (2015). Influences of visual and supporting surface conditions on standing balance in patients with post-stroke hemiplegia. Journal of Physical Therapy Science, 27(5), 1323–1327.
