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A fist bump, also known as a bro fist,[1] power five,[2] a spud, or also commonly known as a safe, is a gesture similar in meaning to a handshake or high five. A fist bump can also be a symbol of giving respect or approval, as well as companionship between two people. It can be followed by various other hand and body gestures and may be part of a dap greeting. It is commonly used in sports as a form of celebration with teammates and with opposition players at the beginning or end of a game. Fist bumps are often given as a form of friendly congratulation.

Definition

[edit]

A fist bump is a gesture in which two people bump their fists together (as in greeting or celebration).[3]

The gesture is performed when two participants each form a closed fist with one hand and then lightly tap the front of their fists together. A participant's fists may be either vertically oriented (perpendicular to the ground) or horizontally oriented. Unlike the standard handshake, which is typically performed only with each participant's right hand, a fist bump may be performed with participants using either hand.

History

[edit]

The "fist bump" or "pound" in European history can be traced to boxers instructed to touch gloves at the start of a contest.[4] Likewise, dart players bump fists that are clutching pointed mini-arrows.

Baseball Hall of Famer Stan Musial used the fist bump during the 1950–60s as an alternative to shaking hands. Musial was convinced that he was catching too many colds by picking up germs while shaking thousands of hands each year, so he adopted the fist bump as a friendly alternative.[5]

The modern gesture may have arisen spontaneously on city basketball courts, and was popularized by basketball player Fred Carter in the 1970s.[2][6]

Others trace the gesture to the Wonder Twins, minor characters in the 1970s Hanna-Barbera superhero cartoon Super Friends, who touched knuckles and cried "Wonder Twin powers, activate!"[2]

Smithsonian researcher LaMont Hamilton suggests that the dap originated during the Vietnam War as a modified form of the Black Power salute, which was prohibited by the U.S. military.[7]

The fist bump was seen in Australia in September 1990 at the Wetherill Park Indoor Cricket Centre between two opening batsmen, Mick Tyler and Bob Minney. At the completion of the first successful batting over for the pair, they met mid-pitch and fist bumped with their batting gloves. They continued to fist bump for the remainder of the game and it continued into the future. Now this act can be seen on various sporting fields/arenas around Australia, and it is now commonly practiced at an international level; many international cricketers fist bump in between overs or as congratulations after a six has been hit.[8][full citation needed]

Fist bumping behavior has also been observed in chimpanzees, according to a book written by Margaret Power in 1991.[9]

In June 2008, Fox News anchor E.D. Hill controversially[10] asked whether a fist bump between then-presidential candidate Barack Obama and his wife Michelle was a "terrorist fist jab".[11] Hill apologized the next day,[12] and her show was cancelled the next week[13] and her contract not renewed.[14]

In light of the 2009 H1N1 pandemic, the Dean of Medicine at the University of Calgary, Tom Feasby, suggested that the fist bump may be a "nice replacement of the handshake" in an effort to prevent transmission of the virus.[15] Similarly, a medical study has found that fist bumps and high fives spread fewer germs than handshakes.[16]

The COVID-19 pandemic has made the fist bump a common greeting, as shaking hands was discouraged to slow the spread of the virus.[17]

Hygiene

[edit]

A 2014 article in the American Journal of Infection Control documented that the fist bump and high five reduced the transfer of bacteria compared to the handshake. The study found that the size of the area of contact correlated with how much bacteria was transferred. High fives transferred around 50% as much as handshakes, and fist bumps significantly less.[18]

References

[edit]

Further reading

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Fist bump

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from Grokipedia
A fist bump is a in which two individuals briefly press the knuckles of their closed fists together, serving as an informal alternative to the for greetings, celebrations, or expressions of respect and . The practice traces its roots to 19th-century , where gloved competitors touched fists as a safer to bouts in lieu of open-hand contact, later adapting into broader athletic rituals to avert finger injuries during team interactions. Preceding widespread high-fives in the mid-20th century, fist bumps proliferated in and other U.S. sports before permeating via media portrayals and endorsements from figures in and , with empirical assessments confirming reduced microbial transmission compared to handshakes, bolstering its utility amid concerns like pandemics.

Definition and Technique

Description and Execution

A is a in which two individuals each form a closed and briefly connect the sides of their fists together, often as a form of , celebration, or affirmation. The contact is typically light and horizontal, involving the dorsal surfaces of the clenched hands rather than the palms or fingers. Execution begins with clenching the hand into a by folding the fingers tightly over the palm, with the thumb positioned laterally alongside the or across the fingers for stability. The arm is then extended forward at approximately height, with the slightly bent and the parallel to the ground, presenting the knuckles forward. The participants align their fists so that the second knuckles (of the index and middle fingers) meet squarely, applying minimal for a brief tap lasting less than one second to convey without the skin-to-skin contact of a . This technique minimizes force transmission, reducing the risk of compared to more aggressive impacts like punches.

Variations and Styles

The fist bump primarily involves aligning closed fists horizontally and tapping the knuckles together with minimal force, a technique that ensures brief contact and is adaptable across contexts.00659-2/abstract) This core execution contrasts with handshakes by reducing surface area, thereby limiting microbial transfer, as demonstrated in controlled experiments comparing methods. A prevalent variation, known as the "pound" or "fist pound," incorporates a twist or slide upon initial contact, adding rotational or lateral motion; this style emerged in combat sports and team athletics for emphatic celebrations, such as post-victory acknowledgments in or games dating back to the mid-20th century. In such instances, the motion emphasizes camaraderie through added dynamism without altering the fundamental alignment. The fist bump also integrates into elaborate greeting sequences like the "dap," a ritual of African American origin tracing to West African communal salutations and refined among U.S. soldiers during the (circa 1960s–1970s), where it follows hand clasps, slides, and taps before concluding with a fist bump or light embrace. This variation extends the gesture's duration and incorporates verbal affirmations, distinguishing it from isolated fist bumps by embedding it in a of mutual and shared experience, often observed in military, urban, and hip-hop communities. Less formalized styles appear in playful or performative settings, such as separations—where fists part with splayed fingers simulating a burst—but these lack standardized and primarily serve rather than ritualistic purposes. Overall, stylistic differences hinge on cultural context and intent, with simpler forms prioritizing and efficiency, while extended variants like the dap convey deeper social bonding.

Historical Development

Early Origins in Combat Sports

The practice of touching gloves in , which closely parallels the modern fist bump, originated as a ritual of in the late , when referees instructed fighters to lightly tap their padded gloves before bouts. This gesture replaced the traditional , rendered impractical by the gloves' bulk, and symbolized mutual respect and readiness for without physical vulnerability. It emerged amid the formalization of modern gloved rules, building on earlier innovations like Jack Broughton's 1743 "mufflers"—padded training gloves stuffed with horsehair—to reduce injury while preserving the sport's intensity. By the early , this glove-tap had become a standard pre-fight protocol, documented in lore as a concise affirmation of goodwill prior to engagement. In broader combat sports, analogous gestures appeared in wrestling and nascent traditions, where participants might bump s or slap hands ungloved to signal accord and clear the air of animosity. For instance, in early 20th-century , competitors often initiated rolls with a mutual contact to denote fair play, echoing boxing's emphasis on ritualized over unchecked . These practices prioritized causal efficiency: minimizing risk from open-hand contact in sweat-laden environments while fostering psychological parity between opponents. Empirical observation from historical fight footage and accounts confirms their ubiquity by the , predating the fist bump's spread to team sports. Though bare-knuckle eras lacked such rituals due to direct handshakes, the gloved sports of the cemented fist-to-fist contact as a hygienic, low-risk alternative, influencing later adaptations in where ungloved variants persist for similar reasons of equity and etiquette. No precise inaugural date exists, but the gesture's roots align with boxing's regulatory shift post-Queensberry Rules in , which emphasized controlled conduct. This foundation underscores the fist bump's evolution from a pragmatic to a versatile social signal.

Emergence in Team Sports

The fist bump first gained visibility in in 1969, when a photograph in the captured New York Yankees outfielders and exchanging the gesture immediately after Murcer hit a on April 18. Anecdotal accounts attribute an earlier adoption to St. Louis Cardinals Hall of Famer during the 1950s and 1960s, who reportedly preferred it over handshakes to minimize germ exposure from frequent fan interactions, believing it reduced his incidence of colds. Musial continued the practice into his later years, including a documented instance with former Dodgers manager in the late 2000s. In basketball, the gesture emerged prominently in 1970, when Philadelphia native Fred Carter, a rookie guard for the Baltimore Bullets, began using fist bumps in the locker room to motivate and greet teammates, earning him the nickname "Mad Dog" for his energetic style. Carter carried the practice to the in 1971, where it influenced future Hall of Famer and other players during team huddles and celebrations. By the late 1980s, the fist bump had evolved into a standardized pre-game ritual for the men's basketball team under players like Reggie Williams, fostering group cohesion among squad members. These instances in and marked the fist bump's transition from informal or isolated use to a recurring element of team interaction, often as a hygienic or expressive alternative to handshakes and high-fives amid growing awareness of physical contact in competitive environments. In , its reinforcement came in when celebrated his record-tying 70th with a two-handed fist bump variation, witnessed by Musial himself and broadcast widely. The gesture's appeal in team sports stemmed from its brevity, low risk of compared to slaps or grips, and ability to convey without prolonged contact.

Widespread Adoption Post-1970s

Following initial appearances in professional basketball during the 1970s, the fist bump expanded within team sports in the ensuing decades. In Major League Baseball, pitchers reported its informal use by the late 1980s, with former New York Mets pitcher Ron Darling noting its presence among teammates. By the 1990s, the gesture gained prominence in the sport through New York Yankees players such as Derek Jeter and Mariano Rivera, who employed it as a celebratory or greeting ritual. Its adoption paralleled a shift from traditional handshakes and high-fives, reflecting preferences for low-contact affirmations in athletic environments. The fist bump's visibility surged into broader American culture during the 2008 presidential election, when performed the gesture with his wife Michelle after clinching the Democratic nomination on , 2008. This moment, captured on video and replayed extensively, prompted varied media responses, including a commentator's characterization of it as a "terrorist fist jab," which amplified public discourse on the gesture. Despite the controversy, the event marked a pivot toward mainstream acceptance, transitioning the fist bump from niche sports usage to a recognized informal across diverse social strata. By the , the practice had permeated professional and political arenas beyond sports, serving as a casual alternative in settings prioritizing brevity or . Political figures increasingly incorporated it, aligning with its egalitarian appeal—no dominance implied by , unlike handshakes. This diffusion underscored the gesture's evolution into a versatile, signal of , distinct from more elaborate predecessors like the dap originating in and urban communities.

Cultural and Social Role

Significance in Sports and Informal Settings

In team sports, the fist bump functions as a of solidarity and encouragement, frequently employed by athletes to celebrate achievements or prepare for plays. Analysis of games during the 2008–2009 regular season revealed that teams engaging in more tactile interactions, such as fist bumps alongside high-fives and chest bumps, secured higher win percentages, with the frequency of such touches correlating to improved cooperation and performance outcomes. This gesture, emerging prominently in from the 1970s onward, extends to , football, and other disciplines, where it signifies mutual respect and team unity without implying dominance, distinguishing it from more hierarchical physical contacts. Beyond competitive , fist bumps permeate informal social exchanges as a low-formality or affirmation among acquaintances, friends, and colleagues. It conveys approval, companionship, or casual agreement, often in contexts prioritizing brevity and equality over traditional hand clasps. Originating from athletic environments, its spillover into everyday interactions reflects a cultural shift toward restrained, egalitarian nonverbal cues, particularly evident in youth and peer groups where it substitutes for more effusive displays.

Use in Professional and Political Contexts

In professional settings, fist bumps have emerged as an alternative to handshakes, particularly valued for transmitting fewer , with a study finding they transfer approximately 90% less than handshakes due to limited skin contact. This hygienic advantage prompted increased adoption during the , as workplaces sought contact-minimizing greetings; for instance, business discussions post-2020 highlighted fist bumps alongside bumps for reducing germ spread while maintaining . However, experts caution that fist bumps remain informal, suitable primarily among established colleagues or in casual environments, and may undermine in initial client meetings or hierarchical interactions where handshakes signal formality. In political contexts, fist bumps convey camaraderie and approachability, gaining visibility through high-profile instances. Barack Obama and Michelle Obama fist-bumped on stage after securing the Democratic nomination on June 3, 2008, a gesture that drew media attention and brief controversy, with Fox News labeling it a "terrorist fist jab," though it symbolized personal connection amid campaign success. Subsequent examples include Obama fist-bumping Vice President Kamala Harris at the January 20, 2021, inauguration, underscoring continuity in leadership transitions. President Joe Biden employed fist bumps during his July 2022 Middle East trip, greeting Israeli Prime Minister Yair Lapid and Saudi Crown Prince Mohammed bin Salman, opting for the gesture over handshakes amid diplomatic sensitivities and ongoing hygiene concerns. These uses reflect fist bumps' role in modern diplomacy as a low-contact, egalitarian alternative, especially in pandemic-era protocols, though interpretations vary by cultural and political lens.

Perceptions of Formality and Etiquette

The fist bump is widely perceived as a casual, egalitarian that conveys camaraderie and mutual respect without the hierarchical connotations often associated with the . Unlike the , which historically signals formality and submission in professional encounters, the fist bump emphasizes equality among participants, as noted in analyses of where it stands out for lacking dominance cues present in palm-to-palm contact. In business and professional , the fist bump is generally considered inappropriate for initial meetings or formal negotiations, where the remains the standard for demonstrating and trust-building, according to etiquette consultants who advise mirroring the counterpart's initiation to avoid awkwardness. Experts recommend reserving fist bumps for established relationships or informal team interactions, as unreciprocated attempts can appear juvenile or disrespectful in hierarchical environments. Post-2020, amid heightened hygiene awareness from the , fist bumps gained partial acceptance in professional settings as a low-contact alternative, with guidelines emphasizing and verbal confirmation before physical greetings to respect diverse comfort levels. In political arenas, while not a formal protocol, fist bumps have appeared in high-profile interactions, such as pre-debate greetings, to project approachability without the intimacy of handshakes. in such contexts prioritizes , as fist bumps may clash with traditions favoring bows or other gestures in international .

Hygiene and Transmission Risks

Empirical Studies on Bacterial Transfer

A 2014 study published in the American Journal of Infection Control developed an experimental model to quantify bacterial transfer during greetings by inoculating one participant's hand with and measuring colony-forming units (CFU) transferred to a sterile surface via subsequent contact. Handshakes resulted in a mean transfer of 1.24 × 10^8 CFU, high-fives transferred approximately half that amount, and fist bumps yielded the lowest at 1.39 × 10^7 CFU—about one-tenth the handshake level—attributed to reduced contact surface area (only knuckles involved) and shorter duration (under 0.5 seconds versus 2-3 seconds for s). The model controlled for variables like pressure and motion, providing causal evidence that geometric and temporal factors in fist bumps minimize shear and adhesion of microbes compared to palm-to-palm friction in s. Subsequent research on specific pathogens yielded mixed results. A 2020 investigation in Infection Control & Hospital Epidemiology tested (MRSA) transfer using inoculated gloves, finding no statistically significant reduction with traditional fist bumps versus s (both transmitted viable MRSA in comparable quantities), though a lighter "cruise-tap" variant or application prior to handshake significantly lowered transfer rates. This contrasts with the general bacterial findings, potentially due to MRSA's properties or study differences in (glove-based versus ), highlighting that pathogen-specific mechanics may override geometric advantages in some cases. A 2013 pilot study in the same journal, focused on hospital settings, similarly supported reduced transmission with fist bumps over handshakes by assaying bacterial load post-greeting, emphasizing lower contact time and area as key mechanisms, though sample sizes were small (n=10 pairs). Across these experiments, no study reported increased transfer via fist bumps, but absolute risk remains low without prior hand hygiene; real-world efficacy depends on baseline contamination and adherence to protocols like sanitization, as unwashed hands undermine greeting-type differences.

Implications During Infectious Outbreaks

A 2014 study published in the American Journal of Infection Control demonstrated that fist bumps transfer approximately 90% fewer bacteria than handshakes, attributing this to reduced contact surface area (about one-tenth), lower force, and shorter duration of interaction. In controlled experiments using gloved hands contaminated with , handshakes transferred a mean of 1.24 × 10^8 colony-forming units (CFU), while fist bumps consistently yielded lower counts, suggesting potential to mitigate fomite-based transmission of pathogens during outbreaks. During the , fist bumps gained adoption as a low-touch alternative to handshakes in settings like , , and healthcare to minimize surface contamination risks, with discussions highlighting their empirical superiority over handshakes for bacterial spread. However, peer-reviewed on methicillin-resistant Staphylococcus aureus (MRSA) transfer indicated fist bumps still facilitate pathogen dissemination in 25% of interactions, comparable to handshakes in frequency but with fewer colonies transferred, underscoring that while risk is attenuated, it is not eliminated. For respiratory viruses like , where predominates over fomites, fist bumps offer marginal benefits primarily by reducing secondary hand-to-mucosa transfer, but experts note no substantial evidence of differential viral risk compared to other brief contacts. In hospital environments during infectious surges, pilot studies advocated fist bumps to curb nosocomial spread, potentially lowering bacterial loads between healthcare workers and patients, though hand hygiene remains the dominant intervention. Counterarguments from outbreak analyses emphasize that any physical greeting, including fist bumps, bypasses optimal no-contact protocols like verbal acknowledgments or distancing, particularly when combined with mask non-compliance or poor ventilation. Overall, while fist bumps empirically reduce transmission vectors relative to handshakes, their implications in outbreaks hinge on context, with causal efficacy limited by pathogen type and adherence to broader hygiene measures.

Comparisons and Alternatives

Versus the Handshake

The handshake, originating in ancient practices to demonstrate absence of weapons and symbolizing trust and agreement, serves as a formal greeting in professional, diplomatic, and business contexts worldwide, involving sustained palm-to-palm contact that conveys grip strength and mutual respect. In contrast, the fist bump, a briefer gesture with minimal knuckle contact, emerged in 20th-century American sports and youth culture as an informal expression of solidarity and celebration, often eschewing hierarchical cues like handshake firmness. This distinction positions the fist bump as egalitarian and casual, suitable for peers or teammates, while the handshake's prolonged duration and surface area enable nuanced social signaling, such as assertiveness, which fist bumps largely omit. Etiquette norms reinforce these roles: handshakes predominate in initial meetings, negotiations, and interactions to project , with deviations like offering a fist bump potentially signaling disrespect or unfamiliarity in conservative settings. Fist bumps, conversely, thrive in relaxed environments like athletics or informal gatherings, where their efficiency—requiring under one second versus the 's typical 2-3 seconds—prioritizes speed over depth. Culturally, the retains dominance in Western professional spheres despite alternatives like bows in , whereas fist bumps lack equivalent global formality, appearing playful or irreverent in high-stakes . Empirical comparisons highlight hygiene disparities, with controlled studies demonstrating handshakes transfer approximately ten times more than fist bumps due to greater contact area (palms versus knuckles) and duration, yielding mean bacterial loads of 1.24 × 10^8 colony-forming units (CFU) for handshakes versus negligible amounts for fist bumps. This advantage prompted advocacy for fist bumps in care and during infectious outbreaks, though handshakes' symbolic weight endures, as evidenced by their persistence in post-2020 protocols where protocols mitigated risks without supplanting tradition. Overall, while fist bumps offer practicality and reduced transmission, handshakes prevail where formality and interpersonal assessment demand precedence over brevity.

Versus High-Fives and Other Greetings

A 2014 study published in the American Journal of Infection Control quantified bacterial transfer during common greetings by culturing agar plates after contact between inoculated and . Handshakes transferred the highest load (mean 1.24 × 10^8 colony-forming units, CFU), followed by high-fives (approximately half that amount), with fist bumps yielding the lowest (mean 1.13 × 10^7 CFU), or about tenfold less than handshakes.00659-2/fulltext) The reduced transmission in fist bumps stems from shorter duration (typically under 0.2 seconds versus 2-3 seconds for high-fives) and minimal surface area (knuckle contact versus palm-slapping). High-fives, while less transmissive than handshakes, still involve broader exposure and higher impact force, potentially aerosolizing microbes. Socially, fist bumps convey subdued solidarity, respect, or affirmation, often with and in informal or egalitarian settings, whereas high-fives express exuberant celebration or achievement, originating in sports contexts like in the . High-fives are louder and more performative, drawing attention through slapping sound and vertical motion, making them suitable for group hype but obtrusive in quieter interactions. Fist bumps, by contrast, are discreet and horizontal, fostering a sense of mutual equality without , as seen in their adoption among athletes for routine acknowledgments rather than peak moments. Compared to other greetings like daps (complex hand sequences in hip-hop culture) or elbow bumps (hygiene-focused alternatives post-2020), fist bumps strike a balance of brevity and intimacy without the ritualistic elaboration of daps or the awkward rigidity of elbows. High-fives align more with dap variants in energetic flair but lack the fist bump's versatility across professional boundaries, such as politics or medicine, where formality tempers exuberance. Culturally, both gestures are predominantly Western and sports-derived, with limited global analogs; fist bumps, however, have gained traction as a low-contact norm during infectious disease concerns, edging out high-fives for practicality.00659-2/fulltext)

References

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