Compare dreame H14 Wet-Dry Vacuum Cleaner vs Dyson V11 Outsize Cordless Vacuum Cleaner

P1 dreame H14 Wet-Dry Vacuum Cleaner
P2 Dyson V11 Outsize Cordless Vacuum Cleaner

Comparison Takeaways

dreame H14 Wet-Dry Vacuum Cleaner

Where It Has the Edge

  • Convertible handheld design is 4.6 vs 3.4.
  • Storage footprint and upright-stand stability is 4.3 vs 3.3.
  • Weight is 3.6 vs 2.6. Weight is frequently noted as moderate-to-heavy for extended sessions, especially compared with lighter competitors. Some users still find...
  • Upholstery / Above-Floor Pickup is 4.4 vs 3.7. Above-floor and upholstery pickup are mainly discussed in H14 Dual coverage, where included attachments and a handheld configuration...

Dyson V11 Outsize Cordless Vacuum Cleaner

Where It Has the Edge

  • Runtime is 4.4 vs 3.5. In Eco/Auto-style use, reviewers commonly report runtimes ranging from roughly 40 minutes to well over an hour per...
  • Battery and Charging is 4.5 vs 3.6. The click-in, removable battery is a consistent plus, making it easy to swap packs mid-clean. Many reviews describe...
  • Suction and Airflow is 4.7 vs 4.1. Across the reviews, Outsize is described as one of the strongest cordless vacuums available, delivering near-upright cleaning power....
  • Controls and UI is 4.2 vs 3.7. The LCD and auto-adjusting behavior get frequent praise for showing remaining runtime and adapting power to different floors....
Average score
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.1
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.2
Accessories and Tools
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.6

Several reviews praise the included extras (spare roller, spare filter, cleaning brush, solution, docking base). The H14 Dual coverage highlights an unusually complete kit with additional dry-vac attachments.

Product 2: Dyson V11 Outsize Cordless Vacuum...
4.5

Most reviews describe a strong accessory set, often including a mini motorized tool and multiple nozzles for detail work. Bundle contents vary, and some reviewers note limited storage for all tools or the lack of a carrying case.

Aesthetic design and finish
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.2

Design is frequently described as sleek/premium and modern-looking, with a clean finish and a dock that stores well. Some comparisons still place competitors as more distinctive aesthetically.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
AI, Smart, App and Automation
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.4

App/smart features appear in some coverage (especially H14 variants), enabling custom presets and remote wash/dry actions. The standard H14 is often framed as usable without the app, but customization can improve flexibility where available.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Area Rug Handling
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.1

Area rug handling is generally positive, with reports of decent deep-clean behavior for rugs in a wet/dry context. Some comparisons still treat dedicated competitors as more optimized for maneuvering and mode control.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Assembly and Setup
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.8

Assembly is consistently described as quick and easy (handle clicks in, dock plugs in). Initial setup is generally low-friction with clear in-box guidance.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Battery and Charging
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.6

Battery performance is typically described as adequate (around mid-30 minutes) with straightforward dock charging, but a few comparisons criticize it versus competitors offering longer endurance or more flexibility.

Product 2: Dyson V11 Outsize Cordless Vacuum...
4.5

The click-in, removable battery is a consistent plus, making it easy to swap packs mid-clean. Many reviews describe bundles with two batteries (and sometimes a second charger) for extended sessions, while a few note that some trims/regions include only one battery and add-on packs are costly.

Bin and Bag
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.7

The oversized bin is repeatedly praised for reducing how often you have to empty, making it better suited to large homes. The downside noted in multiple reviews is added bulk and a top-heavy feel compared with slimmer stick vacuums.

Build quality and durability
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.5

Build quality is typically framed as solid and premium-feeling, with sturdy construction and good fit/finish. Weight and head pivot are the more common ergonomic complaints than durability concerns.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Carpet — High-Pile Pickup
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
3.9

High-pile carpet performance is strong, but the Outsize can feel overpowered. Reviews mention it may be difficult to push on thick rugs and can push around larger debris unless you open the intake gates or lower power.

Carpet — Low-Pile Pickup
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.6

Low-pile carpet tests are consistently excellent, with reviewers reporting near-complete pickup in a single pass. Auto mode and strong agitation help it pull embedded grit without needing repeated passes.

Carpet — Medium-Pile Pickup
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
5.0

On medium-pile carpet, testers report deep-clean results that match or beat other flagship cordless vacuums. It is frequently described as a standout for pulling sand and dust out of carpet fibers.

Clogging and debris prevention
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.5

Reviews credit the larger intake and adjustable gates with helping prevent big-debris jams. Clogs are still possible if maintenance is ignored or if long hair builds up, but outright intake blockages are not a frequent complaint.

Comparative performance
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.0

No summary yet.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Controls and UI
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.7

Controls are mostly considered straightforward (power, mode, self-clean) with a helpful display. Critiques focus on mode limitations (no true Max on H14) and workflow decisions around drying activation.

Product 2: Dyson V11 Outsize Cordless Vacuum...
4.2

The LCD and auto-adjusting behavior get frequent praise for showing remaining runtime and adapting power to different floors. The most common control complaint is the hold-to-run trigger/button style, which can fatigue your hand; one review also questions battery indicator accuracy.

Convertible handheld design
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.6

No summary yet.

Product 2: Dyson V11 Outsize Cordless Vacuum...
3.4

The vacuum converts to a handheld unit for cars, stairs, and spot cleaning, which reviewers appreciate. The tradeoff is that the Outsize body is bulky and heavier than typical handhelds, so tight detailing and long sessions can be tiring.

Cordless convenience
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.8

Cordless convenience is a major win in daily use, with reviewers describing quick grab-and-go cleanups and easier room-to-room transitions. The benefits are strongest in larger homes where avoiding cord changes saves time.

Crevice / Groove Pickup (Hard Floors)
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.7

Crevices and grooves are a strength: multiple reviews report strong pickup from floor seams and tight cracks. The included crevice tool is also described as effective for car detailing and hard-to-reach edges.

Cyclone performance
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.7

The multi-cyclone system is credited with maintaining strong, fade-free suction as the bin fills. Reviewers reference Dyson’s high-speed motor and cyclone design as key reasons it keeps pulling fine dust without feeling bogged down.

Dirty water sensor
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.3

Dirt feedback is often highlighted as useful: the display/indicators show dirt level changes during cleaning, helping users know when extra passes are needed.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Dried-On Stain Removal
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.2

Dried-on stain removal is reported as effective overall (coffee/ketchup-style tests eventually clean up), but some reviewers say it can take more passes and would benefit from a true manual Max mode for heavy grime.

Product 2: Dyson V11 Outsize Cordless Vacuum...
3.6

For floor cleaning, reviewers generally like the swivel and the ability to recline for under-furniture reach. Handling becomes more work in tight spaces due to the wider head and heavier body, and strong suction on thick carpet can make pushing feel strenuous.

Ease of use
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.6

Ease of use is generally strong: quick setup, simple buttons, and an informative display. Usability critiques focus on drying being tied to the cleaning cycle and limited manual power/mode control on the standard H14.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Edge and Baseboard Cleaning (Hard Floors)
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.4

Edge and baseboard cleaning is repeatedly highlighted as a core strength, with dual-edge cleaning helping reduce the typical wall-gap left by many wet-dry heads. Some reviews still note a small remaining blind spot close to the wall.

Product 2: Dyson V11 Outsize Cordless Vacuum...
4.2

Edge and baseboard cleaning is generally rated as good, with reviewers noting it can pull debris along walls without leaving an obvious line behind. Corner performance depends on head angle and the room layout, but results are usually above average for a stick vacuum.

Emptying and Mess Control
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.4

The slide/point-and-shoot emptying mechanism is widely described as hygienic and easy to use. A few reviews mention that hair or debris can occasionally stick inside the bin or at the door, requiring a quick manual clear-out.

Energy efficiency (kWh)
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.9

Energy use varies primarily by dock cleaning/drying choices: fast cycles can be efficient, while long quiet drying consumes more over time. Some comparisons measure similar consumption across leading competitors when normalized by cycle duration.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Filtration / Dust Containment
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.4

No summary yet.

Product 2: Dyson V11 Outsize Cordless Vacuum...
4.7

Filtration is repeatedly framed as a strength, with reviewers describing a sealed system and HEPA-grade capture of fine particles. This makes it a frequent recommendation for allergy-conscious households, with few complaints about dust leakage during normal use.

Floorhead design
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.4

The High Torque XL head is wider than standard V11 heads and helps cover large rooms faster. Multiple reviews like the adjustable intake gates and strong agitation, but the wider head is less nimble in tight areas; some bundles also include a dedicated hard-floor head while others do not.

Floorhead Seal on Hard Floors
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.8

Hard-floor sealing is generally praised, especially in crevice-style pickup tests. A few reviewers note that debris scatter can happen with the wrong head or settings, so using the proper hard-floor head (when included) or adjusting the intake can improve results.

Fresh Liquid Pickup Speed
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.7

Fresh liquid pickup is consistently described as fast and effective, with spill tests showing quick recovery into the dirty tank and less need for manual towels.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Hair Pickup — Carpets
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.8

For carpets, reviewers describe strong pet-hair removal, including faster pickup in testing. High suction and motorized tools help lift hair from fibers, though longer hair can still require occasional brushroll cleanup.

Hair Pickup — Hard Floors
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.7

On hard floors, pet hair pickup is also described as very strong, helped by high suction and the wide cleaning path. Some reviewers mention that very light debris can scatter if settings are too high, but overall hair pickup remains a highlight.

Hair‑Wrap / Tangle Resistance
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.4

Anti-tangle performance is generally praised due to comb/scraper elements that reduce wraps, especially versus older wet-dry designs. Some users still report hair buildup in tanks/filters, but less roller tangling overall.

Product 2: Dyson V11 Outsize Cordless Vacuum...
4.1

Tangle resistance is better than many competitors, and some versions/tools are designed specifically to de-tangle hair. Still, long human hair can wrap around the brushroll in real use, so periodic manual removal can be needed.

Hard Floor — Fine Dust Pickup
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.6

Fine dust pickup on hard floors is rated very highly in performance testing. Reviewers still point out that head choice matters; a soft roller style head (when included in a bundle) can be better for polishing hard-floor results.

Hard Floor — Large Debris Intake
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.1

The larger intake and adjustable gates help it swallow bigger crumbs and debris than many stick vacs. However, some tests and user impressions mention occasional scatter or debris push on certain surfaces, especially when using high power on carpet.

Headlight and LED lights
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
2.4

A common complaint is the lack of headlights/LED illumination on the H14, which some reviewers expect at this price. Other variants/related models discussed do include lighting, but the H14 coverage repeatedly flags this as missing.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Heating element
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.8

Heating behavior is disputed: some sources describe true heated washing and hot-air drying, while others claim the wash is closer to room-temperature water with heated air and question marketing around hot-water cleaning. Drying heat is more consistently reported as effective.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Maintenance requirements
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.0

No summary yet.

Product 2: Dyson V11 Outsize Cordless Vacuum...
4.2

Routine upkeep is straightforward: washable filters and occasional brushroll cleaning are the norm, and the display can prompt maintenance steps. Some reviewers still note that heavy hair loads or certain debris can require extra manual cleaning over time.

Maneuverability and Handling
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.5

Handling is mixed: many find it easy enough for daily use, helped by brush traction and lie-flat mobility, but head pivot and perceived heaviness are repeatedly noted as weaker than certain competitors with better assist systems.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Mopping performance
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.4

Mopping performance is widely praised for everyday grime and wet messes, with strong pickup of sauces and typical kitchen spills. Stubborn dried-on stains are usually removable but may take multiple passes, especially without a dedicated Max mode.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Noise level
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.6

Operational noise is generally described as manageable for a wet-dry vacuum, but dock self-cleaning and especially fast-dry cycles can be noticeably loud; quiet/slow dry options reduce annoyance at the cost of time.

Product 2: Dyson V11 Outsize Cordless Vacuum...
3.9

Noise is described as reasonable in Eco/Auto but noticeably loud in Boost/Max. Some reviewers find it quieter than expected for the suction level, while others still consider the highest setting too loud for close-quarters use.

Odor control
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.2

Brush drying and routine dock cleaning are generally viewed as helpful for reducing odor and mildew risk. Quiet drying is appreciated, though some users still find it audible in the same room.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Packaging quality
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.3

No summary yet.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Pet-Ready Features
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.8

Pet owners benefit from the Outsize’s strong suction and motorized tools, with multiple reviews calling out excellent fur pickup and helpful pet-focused attachments. Exact tool availability varies by bundle, so pet-specific accessories may depend on the version you buy.

Price and Value
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.4

Price/value is polarizing: some reviewers feel performance matches premium competitors, while others argue the H14 is hard to justify at higher price points given missing modes and workflow quirks.

Product 2: Dyson V11 Outsize Cordless Vacuum...
3.7

Price is firmly premium, and reviewers often call it expensive even when they like the performance. Value improves for large homes and pet owners who will use the bigger bin and longer runtime; for small spaces, several reviews suggest it is more vacuum than necessary.

Runtime
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.5

Runtime is most often cited around 35 minutes, generally enough for medium spaces but shorter than some competitors. Reviewers who want longer sessions or larger homes often flag this as a limitation.

Product 2: Dyson V11 Outsize Cordless Vacuum...
4.4

In Eco/Auto-style use, reviewers commonly report runtimes ranging from roughly 40 minutes to well over an hour per battery depending on head and surface. With two batteries, several sources describe reaching about two hours of total cleaning time. Boost/Max mode is treated as a short-burst option: many reviews cite roughly 8 to 12 minutes per battery. It is effective for deep cleaning, but reviewers agree it drains quickly compared with Auto or Eco.

Sanitizing performance
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.1

Sanitizing claims (heated wash, electrolyzed water, sterilizing) receive mixed reactions: some reviews present it as a meaningful hygiene feature, while others doubt real-world contact time and effectiveness beyond standard cleaning.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Scratch resistance
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.4

No summary yet.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Self-cleaning cycle
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.3

Self-cleaning is generally seen as effective at rinsing the roller and internal paths, with strong drying options afterward. The biggest recurring complaint is workflow rigidity: some users cannot initiate drying without first running the full cleaning cycle.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Self-propel feature
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.2

The H14 is often described as brush-assisted and easier to push than some older designs, but multiple comparisons note it lacks true self-propelled wheels (on the standard H14) and can feel less maneuverable than top competitors.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Solution / Liquid system
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.1

The liquid system (clean/dirty separation and spill pickup) is widely praised, including strong suction-only spill pickup. Some coverage of variants adds automatic detergent mixing and more advanced liquid handling features.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Storage footprint and upright-stand stability
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.3

No summary yet.

Product 2: Dyson V11 Outsize Cordless Vacuum...
3.3

The Outsize typically relies on a wall dock or stand and is often noted as not free-standing. Its larger size can feel bulky when stored, and some docks do not hold every attachment at once.

Streaking / Residue
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.5

Hard-floor results are commonly described as clean with minimal streaking, with good water pickup and tidy finish; heavier dried messes may still require multiple passes depending on mode and technique.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Suction and Airflow
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.1

Suction and overall pickup are typically described as strong for a wet-dry (often cited with 18,000 Pa marketing), performing well on mixed dry debris and liquids. Some measurement-focused reviewers report below-average floor-level suction/airflow in certain tests despite good real-world cleaning.

Product 2: Dyson V11 Outsize Cordless Vacuum...
4.7

Across the reviews, Outsize is described as one of the strongest cordless vacuums available, delivering near-upright cleaning power. Several testers call it the top performer for raw suction, but that strength can make plush carpet harder to push and can shove larger debris unless you adjust power or airflow.

Support and Reliability
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
2.0

Only a small portion of the review set discusses support directly, but that mention is negative, describing a slow, chat-heavy experience that ended without resolution. With limited data, reliability and service impressions are mixed and under-documented compared with performance.

Tool-change simplicity
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
No score yet
Product 2: Dyson V11 Outsize Cordless Vacuum...
4.6

Tool swaps are commonly described as quick and intuitive thanks to Dyson’s quick-release design. This makes it easy to move from floor cleaning to above-floor tasks without breaking momentum.

Under-Furniture Pickup
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.5

The 180-degree lie-flat reach is one of the H14’s most repeated strengths, enabling meaningful under-furniture cleaning. A few comparisons note competitors may offer slightly different clearances, but overall the feature is a major practical advantage.

Product 2: Dyson V11 Outsize Cordless Vacuum...
4.6

Under-furniture reach is a consistent strength, with multiple reviews noting it can recline and clean under couches and beds without moving heavy furniture. The wide head helps cover open areas quickly once you have clearance.

Upholstery / Above-Floor Pickup
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.4

Above-floor and upholstery pickup are mainly discussed in H14 Dual coverage, where included attachments and a handheld configuration expand usefulness for sofas, cars, and tight areas.

Product 2: Dyson V11 Outsize Cordless Vacuum...
3.7

Above-floor and upholstery results are strong with the mini motorized and hair-focused tools, especially on couches and pet beds. Several reviewers still caution that the weight and trigger-style control make long overhead sessions less comfortable.

Water tank
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
4.2

Tank capacity is often rated as generous for the category, reducing refill/empty trips. Multiple sources note reduced usable dirty-water capacity when operating fully lie-flat.

Product 2: Dyson V11 Outsize Cordless Vacuum...
No score yet
Weight
Product 1: dreame H14 Wet-Dry Vacuum Cleaner
3.6

Weight is frequently noted as moderate-to-heavy for extended sessions, especially compared with lighter competitors. Some users still find it manageable due to brush-driven forward assist and overall ergonomics.

Product 2: Dyson V11 Outsize Cordless Vacuum...
2.6

Weight is the most consistent complaint: reviewers repeatedly call the Outsize heavy, especially for handheld, stairs, and overhead work. The extra bin size and larger head contribute to arm fatigue during long cleans.