AnatomyPhenomena and Processes
Hamate BoneBone and BonesBone RemodelingBone Density
FractureDerives from the Latin hamatusHamulusFracturesLunatePisiform2023Ulnar nerveSurgeryRadialBrokeFlexorTriangular boneCapitateDistal carpal rowCarpal boneBrokenLigamentsVolarBonyLeft handTroutOssificationInsertionInjuriesOssifyArticulatesInjuryNonunionHandPlayersImagesCommonMetacarpalsBodySideCenterShownWeeks
Fracture7
  • The hook of hamate is particularly prone to fracture-related complications such as non-union due to its tenuous blood supply. (wikipedia.org)
  • Among hand and wrist injuries in professional baseball players, hook of hamate fracture is the most common indication for surgery. (medscape.com)
  • He worked diligently between 2022 and 2023 to ensure that neither of those problems would come back, only to suffer the hamate bone fracture fouling off a pitch. (yahoo.com)
  • He underwent surgery on the same hand during the offseason to repair a hamate bone fracture. (pressreader.com)
  • Rupture of the flexor profundus tendon of the ring finger secondary to ancient fracture of the hook of the hamate. (thieme-connect.de)
  • Guha AR, Marynissen H. Stress fracture of the hook of the hamate. (medscape.com)
  • Imaging of the right hand and wrist demonstrated fourth distal phalanx tuft fracture, fourth metacarpal midshaft fracture, first metacarpal base comminuted Rolando fracture , fifth metacarpal neck and base fracture, fracture of scaphoid and hamate, radial styloid fracture, and dorsal dislocation of the 2-5 carpometacarpal joints (Figure 1). (medscape.com)
Derives from the Latin hamatus1
Hamulus5
  • The hamate bone (from Latin hamatus, "hooked"), or unciform bone (from Latin uncus, "hook"), Latin os hamatum and occasionally abbreviated as just hamatum, is a bone in the human wrist readily distinguishable by its wedge shape and a hook-like process ("hamulus") projecting from its palmar surface. (wikipedia.org)
  • The hook of hamate (Latin: hamulus) is found at the proximal, ulnar side of the hamate bone. (wikipedia.org)
  • Also known as Hamulus of hamate bone. (kenhub.com)
  • It bears an uncinate (unciform) hamulus (hook of hamate) which projects in a volar fashion from the distal part of its palmar surface. (radiopaedia.org)
  • It also originates from the hamulus of the hamate bone. (healthline.com)
Fractures18
  • Routine PA and lateral views of the wrist potentially miss hamate fractures. (radiopaedia.org)
  • Carpal tunnel views, in addition to PA, lateral, and oblique views are typically required when hamate fractures are suspected. (radiopaedia.org)
  • 4. Andersen Andresen R, Radmer S, Sparmann M, et al: Imaging of hamate bone fractures in conventional X-rays and high-resolution computed tomography: An in vitro study. (radiopaedia.org)
  • Hook of Hamate Fractures. (radiopaedia.org)
  • Although hamate fractures are increasing in incidence secondary to the popularity of sports activities involving racquets, bats, and clubs, these injuries remain relatively rare. (medscape.com)
  • [ 1 ] Estimates suggest hamate fractures constitute 2% of all carpal fractures. (medscape.com)
  • Hamate fractures are thus classified as type I fractures involving the hook and type II fractures involving the body. (medscape.com)
  • If symptoms are present, physical examination typically reveals discrete point tenderness with palpation over the hook of the hamate, diminished grip strength, and, secondary to the proximity of hamate fractures to the ulnar nerve, paresthesia may be present in the fourth and fifth fingers. (medscape.com)
  • Fractures to the hamate may not be readily evident on radiographic images. (medscape.com)
  • Consultation with an orthopedist or hand surgeon is recommended for all patients with hamate fractures because of the high risk of nonunion with conservative treatment. (medscape.com)
  • Hamate fractures account for 2% of all carpal fractures. (medscape.com)
  • [ 5 ] Of the 2%, one third are hamate hook fractures due to repetitive swinging by golfers. (medscape.com)
  • Hamate fractures are generally associated with sports activities that use a racquet, bat, or club. (medscape.com)
  • Type I fractures involving the hook of the hamate are the most common and can occur via several different mechanisms. (medscape.com)
  • These usually occur in the nondominant hand and account for approximately one third of hamate fractures. (medscape.com)
  • Type II fractures involving the body of the hamate are less common than type I fractures and always require direct force. (medscape.com)
  • Literature Review Traumatic flexor tendon ruptures have been reported following distal radius/hamate hook fractures, from carpal bone osteophytes, accessory carpal bones and intraosseous ganglia. (thieme-connect.de)
  • Hirano K, Inoue G. Classification and treatment of hamate fractures. (medscape.com)
Lunate3
  • Adjacent on the radial side is the capitate, and proximal is the lunate bone. (wikipedia.org)
  • 708-709 The hamate bone has six surfaces: The superior, the apex of the wedge, is narrow, convex, smooth, and articulates with the lunate. (wikipedia.org)
  • The hamate is bordered proximally by the pisiform and the lunate in the proximal carpal row, radially by the capitate, and distally by the bases of the fourth and fifth metacarpals. (medscape.com)
Pisiform1
  • 708-709 Adjacent to the hamate on the ulnar side, and slightly above it, is the pisiform bone. (wikipedia.org)
20231
  • He was on the cusp of earning his PGA Tour card when he broke the hamate bone in his left hand, but a hot start to 2023-including a second Korn Ferry win in Panama in February-has him closer to living out his PGA Tour dream in 2024. (golfdigest.com)
Ulnar nerve4
  • The ulnar nerve hooks around the hook of hamate as it crosses towards the medial side of hand. (wikipedia.org)
  • Symptoms are pain aggravated by gripping, tenderness over the hamate and symptoms of irritation of the ulnar nerve. (wikipedia.org)
  • The bone is close to the ulnar nerve, which supplies all the muscles in the hand," said Meals, a hand specialist. (latimes.com)
  • A terminal deep branch of the ulnar nerve lies in a transverse groove underneath the hook of the hamate towards its base. (radiopaedia.org)
Surgery10
  • If it seems ironic that Jose Canseco, baseball's $1.6-million he-man, would find himself undone by a tiny, obscure bone at the base of his left hand, it's probably just as ironic that the routine surgery on that injury last week caused a circus of media attention. (latimes.com)
  • Doctors who examined Ozzie said his X-rays showed a clean break of the bone where it hooks, indicating that surgery would be necessary. (latimes.com)
  • According to Dr. Roy Meals, an assistant professor of orthopedic surgery at UCLA, the operation to shave off the hook of the hamate bone is a delicate undertaking. (latimes.com)
  • Surgery is often called for because the hamate rarely, if ever, heals on its own," he said. (latimes.com)
  • The Angels center fielder fractured his left hamate bone in a game on July 3, had surgery and returned on Aug. 22. (yahoo.com)
  • Chang had surgery to remove the hamate bone in his left hand last month and felt pain in the area when he returned to game action. (bostonglobe.com)
  • That hamate bone surgery has become a very common procedure with a really high rate of success. (blogspot.com)
  • The proof will emerge over the next four to eight weeks, with Trout recovering from surgery to remove a fractured hamate bone. (wn.com)
  • Adael Amador was promoted to Double-A Hartford after recovering from surgery to repair a broken hamate bone. (milb.com)
  • The 20-year-old ranks as the Rockies' top prospect despite missing seven weeks of the season due to surgery to repair the hamate bone of his right hand in early July. (milb.com)
Radial2
  • Nearly 100% of hamate specimens have radial artery supply. (radiopaedia.org)
  • [ 7 ] In addition, the hamate hook has a dual blood supply, with vessels entering from both the ulnar tip and radial base. (medscape.com)
Broke4
  • Trout hadn't played since July 3, when he broke the hamate bone by fouling off a pitch in the eighth inning in San Diego. (fox59.com)
  • Padlo broke his hamate bone in 2017 and saw his power sapped in his return in 2018. (draysbay.com)
  • He jammed it two years ago and broke the the hamate bone of his right hand last spring. (sbnation.com)
  • After Kipnis broke his hamate bone in his final at-bat for Cleveland, he was let go by the team and subsequently signed with the Chicago Cubs for the 2020 season. (larrybrownsports.com)
Flexor3
  • Volar subluxation of the narrowed carpal tunnel resulted in flexor tendon attrition against the hamate hook. (thieme-connect.de)
  • 4 Koizumi M, Kanda T, Satoh S, Yoshizu T, Maki Y, Tsubokawa N. Attritional rupture of the flexor digitorum profundus tendon to the index finger caused by accessory carpal bone in the carpal tunnel: a case report. (thieme-connect.de)
  • Other structures on the medial side of the leading wrist associated with golf related injury and pathology include Triangular Fibro-cartilage, the hamate bone, the bony canals through which the nerves travel, as well as the flexor aponeurosis and Flexor Carpi Ulnaris tendon. (intechopen.com)
Triangular bone2
  • The medial articulates with the triangular bone by an oblong facet, cut obliquely from above, downward and medialward. (wikipedia.org)
  • The hamate is a triangular bone located in the distal carpal row farthest to the ulnar side (see the images below). (medscape.com)
Capitate1
Distal carpal row2
  • The hamate is one of the carpal bones , forms part of the distal carpal row and has a characteristic hook on its volar surface. (radiopaedia.org)
  • It is the most ulnar based bone within the distal carpal row. (radiopaedia.org)
Carpal bone2
  • The hamate is an irregularly shaped carpal bone found within the hand. (wikipedia.org)
  • Carpal bone Hypothenar hammer syndrome This article incorporates text in the public domain from page 227 of the 20th edition of Gray's Anatomy (1918) Gdoura, F. (wikipedia.org)
Broken10
  • Kristy Robinson reports that Pirates prospect Robbie Grossman has broken his hamate bone. (sbnation.com)
  • Meals described the hamate as the bone most often broken when someone uses a hand to break a fall. (latimes.com)
  • Woodward said he didn't know when OF Joey Gallo, recovering from a broken right hamate bone, might return. (krgv.com)
  • ANAHEIM, Calif. (AP) - Three-time AL MVP Mike Trout returned to the Los Angeles Angels' lineup Tuesday night after missing 38 games with a broken bone in his left hand. (fox59.com)
  • Langeliersc bounced back from a broken hamate bone in the left hand that sidelined him for 10 games. (fox5atlanta.com)
  • It hurt, but it's all for the team," said Dulac, who played last year with a broken bone in his left foot. (mhsaa.com)
  • Marte was in a 1-for-18 slump last May when he was diagnosed with a broken hamate bone in his left hand. (baseballamerica.com)
  • After losing most of April and May to a broken hamate bone, Beckham returned with a different stance and a different approach, and wound up producing different results. (beyondtheboxscore.com)
  • He played winter ball in Puerto Rico this offseason but after a week they determined that he had been playing with a broken hamate bone in his hand. (twinkietown.com)
  • The Fish suffered an even greater loss when they were lost Giancarlo Stanton for a total of 88 games due to a broken hamate bone. (fishstripes.com)
Ligaments2
  • He said that the tendons and ligaments that normally attach to the bone are reattached to fibrous tissue in the same area. (latimes.com)
  • The mobility of the wrist is determined by the shapes of the bones involved and by the attachments and lengths of the various intrinsic and extrinsic wrist ligaments. (medscape.com)
Volar1
  • A roughly circular projection or hook on the volar surface of the hamate is the inferolateral border of the Guyon canal. (medscape.com)
Bony2
  • The carpal bones function as a unit to provide a bony superstructure for the hand. (wikipedia.org)
  • Leading wrist injuries affect the tendons, fibrocartilage, bones and neural structures that are located on the ulnar side of the wrist and hand as well as the soft tissue aponeurosis and bony and ligamentous canals that traverse the wrist joint. (intechopen.com)
Left hand6
  • Hamate bone of the left hand. (wikipedia.org)
  • Bones of the left hand. (wikipedia.org)
  • Each also is a big guy who has recently been sidelined by a little hook-like bone in his left hand. (latimes.com)
  • But in an eerie coincidence, Jose injured the hamate bone in his left hand only days after Ozzie had done the same thing. (latimes.com)
  • La Pina will have the hamate bone removed from his left hand. (crawfishboxes.com)
  • But then he got hurt -- a hamate bone injury in his left hand -- forcing him out of action, in a way. (truebluela.com)
Trout3
  • After the Angels announced Mike Trout would remain out for the remainder of the season while recovering from a fractured hamate bone, the superstar outfielder spoke to reporters and addressed his future in Anaheim. (tristatehomepage.com)
  • Trout suffered the fractured hamate bone on July 3. (tristatehomepage.com)
  • Angels star Mike Trout has been limited to 82 games this season because of a fractured left hamate bone. (yahoo.com)
Ossification1
  • The ossification of the hamate starts between 1 and 12 months. (wikipedia.org)
Insertion1
  • Its insertion is in the whole length of the metacarpal bone of the little finger, along its ulnar margin. (healthline.com)
Injuries1
  • He should easily be ready to return in time for the 2012 regular season, but the problem is that sometimes players who have hamate bone injuries struggle to hit for power right away. (sbnation.com)
Ossify1
  • The hamate does not fully ossify until about the 15th year of life. (wikipedia.org)
Articulates1
  • The inferior articulates with the fourth and fifth metacarpal bones, by concave facets which are separated by a ridge. (wikipedia.org)
Injury1
  • Across 259 plate appearances with Spokane before his hamate injury, Amador maintained a .302 average and .514 slugging percentage while striking out at just a 10 percent clip. (milb.com)
Nonunion1
  • Hook of hamate vascularity: vulnerability to osteonecrosis and nonunion. (medscape.com)
Hand3
  • Six days later, Jose injured the same bone in the same hand, while doing the same thing. (latimes.com)
  • Naturally, it was the same surgical team that had performed the same operation on the same bone of the same hand of identical twin Ozzie, in the same hospital. (latimes.com)
  • T.J. Dulac, playing at No. 1 singles, competed despite a fractured hamate bone in his right hand. (mhsaa.com)
Players1
  • Several professional baseball players have had the bone removed during the course of their careers. (wikipedia.org)
Images1
  • The hamate bone is a roughly triangular-shaped bone composed of both a body and a hook (see images below). (medscape.com)
Common1
  • Achondroplasia is an inherited disorder of bone growth that causes the most common type of dwarfism and belongs to one of the groups of disorders collectively called chondrodystrophies. (medscape.com)
Metacarpals2
  • The hamate is found within the distal row of carpal bones, and abuts the metacarpals of the little finger and ring finger. (wikipedia.org)
  • The wrist consists of the distal radius, the ulna, the carpal bones, and the bases of the metacarpals. (medscape.com)
Body1
Side1
  • Bones has also played in small side projects with David Lindley , Danny "Kootch" Kortchmar , and Wayne Bennett . (wn.com)
Center1
  • The sternum, or breastbone, is a flat bone at the front center of the chest. (healthline.com)
Shown3
Weeks1