1 443 158 CERVICAL ARTERIAL DISSECTION AND TRAUMATIC MYELOPATHY FOLLOWING YOGA: SURGICAL CASE REPORT. INTRODUCTION: CERVICAL SPONDYLOSIS CAN PREDISPOSE PATIENTS TO CENTRAL CANAL STENOSIS. IN THIS SETTING, MYELOPATHY THROUGH FURTHER FLATTENING OF THE CORD FROM EXTRINSIC COMPRESSION CAN BE PRECIPITATED BY RELATIVELY MINOR TRAUMAS. ARTERIAL DISSECTION IS SIMILARLY CONSIDERED A RESULT OF HIGH VELOCITY OR MOMENTUM DURING TRAUMA, COMMONLY ASSOCIATED WITH FRACTURES, CERVICAL HYPERFLEXION, OR DIRECT BLUNT FORCE TO THE NECK. OVERALL, PRECAUTIONS FOR BOTH ARTERIAL DISSECTION AND MYELOPATHY ARE RARELY CONSIDERED IN LOW-VELOCITY, STATIC ACTIVITIES SUCH AS YOGA. CASE PRESENTATION: THE AUTHORS REPORT THE CASE OF A 63-YEAR-OLD MAN WHO SUFFERED CONCURRENT CERVICAL MYELOPATHY FROM MULTILEVEL SPONDYLOPATHY, RIGHT VERTEBRAL ARTERY DISSECTION, AND LEFT CERVICAL CAROTID ARTERY DISSECTION FOLLOWING A YOGA SESSION. SYMPTOMATOLOGY CONSISTED OF ACUTE ONSET NECK PAIN, UPPER EXTREMITY SENSORY PARESTHESIA, WORSENING GAIT AND BALANCE, AND IMPAIRED DEXTERITY FOR SEVERAL WEEKS. CERVICAL MRI WAS OBTAINED GIVEN MYELOPATHIC SYMPTOMS AND REVEALED SPONDYLOSIS WITH COMPRESSION AND T2 SIGNAL CHANGE AT C3-C4. CT ANGIOGRAPHY OF THE NECK REVEALED AFOREMENTIONED DISSECTIONS WITHOUT FLOW LIMITING STENOSIS OR OCCLUSION. A THERAPEUTIC HEPARIN INFUSION WAS STARTED PREOPERATIVELY UNTIL THE PATIENT UNDERWENT C3-C4 ANTERIOR CERVICAL DISCECTOMY AND FUSION. ASPIRIN AND PLAVIX WERE THEN STARTED WITHOUT INCIDENCE AND THE PATIENT HAD SIGNIFICANT BUT GRADUAL IMPROVEMENT IN MYELOPATHIC SYMPTOMS AT 6-WEEK FOLLOW-UP. DISCUSSION: THE STATIC YET INTENSIVE POSES ASSOCIATED WITH YOGA PRESENT A RARE ETIOLOGY FOR ARTERIAL DISSECTION AND MYELOPATHY, BUT PATIENTS WITH PERSISTENT AND PROGRESSIVE SYMPTOMS SHOULD BE SCREENED WITH THE APPROPRIATE IMAGING MODALITY. CERVICAL DECOMPRESSION SHOULD BE EXPEDITED BEFORE INITIATING AN ANTIPLATELET MEDICATION. 2022 2 2893 24 YOGAMAN: AN INEXPENSIVE, ANATOMICALLY-DETAILED CHEST TUBE PLACEMENT TRAINER. INTRODUCTION: OPPORTUNITIES FOR CHEST TUBE PLACEMENT IN EMERGENCY MEDICINE TRAINING PROGRAMS HAVE DECREASED, MAKING COMPETENCE DEVELOPMENT AND MAINTENANCE WITH LIVE PATIENTS PROBLEMATIC. AVAILABLE TRAINERS ARE EXPENSIVE AND MAY REQUIRE COSTLY MAINTENANCE. METHODS: WE CONSTRUCTED AN ANATOMICALLY-DETAILED MODEL USING A HALLOWEEN SKELETON THORAX, DRESS FORM TORSO, AND YOGA MAT. PARTICIPANTS IN A TRIAL SESSION COMPLETED A SURVEY REGARDING EITHER THEIR COMFORT WITH CHEST TUBE PLACEMENT BEFORE AND AFTER THE SESSION OR THE REALISM OF YOGAMAN VS. CADAVER LAB, DEPENDING ON WHETHER THEY HAD PLACED <10 OR 10 OR MORE CHEST TUBES IN LIVE PATIENTS. RESULTS: INEXPERIENCED PROVIDERS REPORTED AN IMPROVEMENT IN COMFORT AFTER WORKING WITH YOGAMAN, (COMFORT BEFORE 47 MILLIMETERS [MM] [INTERQUARTILE RATIO {IQR}, 20-53 MM]; COMFORT AFTER 75 MM [IQR, 39-80 MM], P=0.01). EXPERIENCED PROVIDERS RATED REALISM OF YOGAMAN AND CADAVER LAB SIMILARLY (YOGAMAN 79 MM [IQR, 74-83 MM]; CADAVER LAB 78 MM [IQR, 76-89 MM], P=0.67). ALL EVALUATORS EITHER AGREED OR STRONGLY AGREED THAT YOGAMAN WAS USEFUL FOR TEACHING CHEST TUBE PLACEMENT IN A RESIDENCY PROGRAM. CONCLUSION: OUR CHEST TUBE TRAINER ALLOWED FOR LANDMARK IDENTIFICATION, TISSUE DISSECTION, PLEURA PUNCTURE, LUNG PALPATION, AND TUBE SECURING. IT IMPROVED COMFORT OF INEXPERIENCED PROVIDERS AND WAS RATED SIMILARLY TO CADAVER LAB IN REALISM BY EXPERIENCED PROVIDERS. IT IS EASILY REUSABLE AND, AT $198, COSTS A FRACTION OF THE PRICE OF AVAILABLE COMMERCIAL TRAINERS. 2019 3 264 25 ACUTE CHEST PAIN AND ESOPHAGEAL MUCOSAL INJURY FOLLOWING AN EXTREME YOGA POSITION CASE REPORT. A YOUNG LADY COMPLAINED OF THE SUDDEN ONSET OF INTENSE CHEST PAIN, IN CONSEQUENCE OF AN EXTREME HYPEREXTENSION OF THE BACK IN A YOGA POSITION. AT ENDOSCOPY A LARGE LESION OF THE ESOPHAGEAL EPITHELIUM WAS DETECTED, INVOLVING THE MIDDLE THIRD OF THE ANTERIOR WALL OF THE ESOPHAGUS. OTHER SYMPTOMS REPORTED BY THE PATIENT WERE DYSPHAGIA AND ODYNOPHAGIA, DEPICTING THE TYPICAL FEATURES OF INTRAMURAL HEMATOMA, ALSO KNOWN AS INTRAMURAL DISSECTION OR INTRAMURAL PERFORATION OF THE OESOPHAGUS. THE PATIENT WAS MANAGED CONSERVATIVELY AND SYMPTOMS DISAPPEARED WITHIN A WEEK. A BARIUM SWALLOW AT SIX MONTHS REPORTED NORMAL FINDINGS. DIFFERENT TYPES OF ACCIDENTS OCCURRING DURING YOGA PRACTICE ARE REPORTED IN THE LITERATURE, MAINLY INVOLVING MUSCULOSKELETAL OR NERVOUS SYSTEMS. VISCERAL LESIONS ARE EXCEPTIONAL AND NO SIMILAR CASES HAVE BEEN REPORTED IN THE LITERATURE. KEYWORDS: ACUTE CHEST PAIN, ESOPHAGEAL LESION, INTRAMURAL HEMATOMA, MANAGEMENT OF ESOPHAGEAL LESION. 2019 4 379 20 BASILAR ARTERY OCCLUSION FOLLOWING YOGA EXERCISE: A CASE REPORT. BASILAR ARTERY OCCLUSION DEVELOPED IN A 34 YEAR OLD WOMAN 2 MONTHS AFTER ADOPTING UNUSUAL NECK POSTURES DURING YOGA PRACTICE. ON ANGIOGRAPHY, HER BASILAR ARTERY WAS FILLED WITH INTRALUMINAL CLOT WHILE THE VERTEBRAL ARTERIES WERE NORMAL. WE POSTULATE THAT A SEVERE REDUCTION IN BLOOD FLOW AND POSSIBLY AN INTIMAL TEAR TRIGGERED THROMBOSIS OF THE VERTEBRAL ARTERY AND THAT THE FINAL STROKE MECHANISM WAS ARTERY-TO-ARTERY EMBOLISM. 1993 5 1775 21 PRACTICE OF YOGA MAY CAUSE DAMAGE OF BOTH SCIATIC NERVES: A CASE REPORT. SCIATIC NERVE TRAUMATIC DAMAGE VERY RARELY OCCURS BILATERALLY. WE DESCRIBE THE CASE OF A 67-YEAR-OLD WOMAN WHO REPORTED A BILATERAL TRAUMATIC LESION OF THE SCIATIC NERVE DURING PRACTICE OF YOGA. NERVE CONDUCTION STUDIES SHOWED A BILATERAL SCIATIC NERVE NEUROPATHY, MOSTLY AFFECTING THE PERONEAL COMPONENT. LUMBAR PLEXUS MRI DOCUMENTED REGULAR ANATOMICAL FEATURES OF THE MAIN PRINCIPAL NERVE ROOTS WITH BILATERAL T2 SIGNAL ALTERATION OF ROOTS L4, L5 AND S1 THAT EXTENDED INTO THE SCIATIC NERVES SHOWING BOTH INCREASE IN SIZE, PROBABLY RELATED TO CHRONIC INJURY OF NERVES, AND AN ALTERATION IN DIFFUSION SIGNAL THAT SUGGESTED A RECENT ACUTE OVERLAPPED PROCESS. 2013 6 1396 26 IMPACT OF YOGA IN A CASE OF VOCAL CORD DYSFUNCTION WITH DYSAUTONOMIA. A 23-YEAR-OLD FEMALE WITH A PAST MEDICAL HISTORY OF GASTROESOPHAGEAL REFLUX DISEASE PRESENTED WITH SHORTNESS OF BREATH INDUCED BY EXERCISE AND CERTAIN ODORS. SHE REPORTED THE SYMPTOMS OF AUTONOMIC DYSFUNCTION INCLUDING FATIGUE, CHEST PAIN, LIGHTHEADEDNESS, HEADACHES, NUMBNESS/TINGLING IN THE ARMS AND LEGS, AND EXERCISE INTOLERANCE. VITAL SIGNS WERE SIGNIFICANT FOR ORTHOSTATIC INTOLERANCE. VOLUME FLOW LOOP IN THE PULMONARY FUNCTION TESTS SHOWED A FLATTENING OF THE INSPIRATORY PORTION CHARACTERISTIC OF VOCAL CORD DYSFUNCTION. LARYNGOSCOPY SHOWED DYSKINESIA OF THE LEFT VOCAL CORD, ESPECIALLY AFTER EXERCISE. MULTIFACTORIAL APPROACH WAS USED INCLUDING INCREASED FLUID INTAKE AND BREATHING EXERCISES. AFTER 6 WEEKS OF BREATHING AND ISOMETRIC EXERCISES, THE PATIENT REPORTED IMPROVEMENT IN DYSPNEA AFTER EXERCISE. THIS CASE REPORT DEMONSTRATES THE THERAPEUTIC ROLE OF BREATHING AND ISOMETRIC EXERCISES IN THE MANAGEMENT OF VOCAL CORD AND AUTONOMIC DYSFUNCTION. 2017 7 79 24 A LOW-ENERGY FEMORAL SHAFT FRACTURE FROM PERFORMING A YOGA POSTURE. THE FEMORAL SHAFT IS RARELY THE SITE OF A LOW-ENERGY FRACTURE IN A HEALTHY INDIVIDUAL. THE VAST MAJORITY OF THESE FRACTURES ARE DUE TO MAJOR TRAUMA SUCH AS MOTOR VEHICLE ACCIDENTS. ALTHOUGH LOW-ENERGY FEMORAL SHAFT FRACTURES DO OCCUR, THEY ARE TYPICALLY IN PATIENTS WITH OSTEOPOROTIC BONE, OR PROSTHESIS RELATED. IN THIS CASE REPORT, WE PRESENT A MAN IN HIS LATE 30S WHO WAS PRACTISING A SPECIFIC YOGA STANCE WHEN HE EXPERIENCED A FEMORAL SHAFT FRACTURE. 2015 8 2914 24 [SPONTANOUS PNEUMOMEDIASTINUM AFTER YOGA PRACTICE - A CASE REPORT]. PNEUMOMEDIASTINUM IS DEFINED AS INTERSTITIAL AIR IN THE MEDIASTINUM, WITHOUT ANY APPARENT PRECIPATING FACTOR SUCH AS TRAUMA, OESOPHAGEAL PERFORATION OR INFECTIONS. IT IS VERY UNCOMMON AND USUALLY AFFECTS YOUNG OTHERWISE HEALTHY INDIVIDUALS. THE MOST COMMON SYMTOMS ARE CHEST PAIN AND DYSPNEA WITH SUBCUTANEOUS EMPHYSEMA FOUND ON EXAMINATION. TREATMENT IS USUALLY CONSERVATIVE WITH PAIN RELIEF. HERE, WE PRESENT AN UNUSUAL CASE OF A 23-YEAR-OLD PREVIOUSLY HEALTHY MALE WHO WAS DIAGNOSED WITH PNEUMOMEDIASTINUM AFTER PRACTISING YOGA. THIS CASE DEMONSTRATES THE NEED TO STUDY PATIENTS WITH CHEST PAIN OF UNKNOWN CAUSE IN DETAILS TO FIND CAUSES. 2009 9 197 32 A RARE CASE OF QUADRATUS FEMORIS MUSCLE RUPTURE AFTER YOGA EXERCISES. WE PRESENT A CASE OF A FEMALE PATIENT WITH LEFT GROIN PAIN AFTER INTENSE YOGA EXERCISES. THE PATIENT PRESENTED ABNORMAL PATTERN OF GAIT WITH NO SWELLING OVER THE GROIN, THIGH, OR BUTTOCK. MAGNETIC RESONANCE IMAGING DEMONSTRATED A TEAR OF THE QUADRATUS FEMORIS MUSCLE WITH AN ASSOCIATED EXTENSIVE HEMATOMA FORMATION. PATIENT WAS TREATED WITH A REHABILITATION PROGRAM CONSISTING OF NONSTEROIDAL ANTI-INFLAMMATORY DRUGS AND PHYSIOTHERAPY. AT THE FOLLOW-UP CONTROL, THE PATIENT HAD IMPROVED HER PAIN AND FLEXIBILITY OF THE HIP, AND GRADUALLY SHE RETURNED TO DAILY ACTIVITIES AND YOGA EXERCISES. SUCH AN ENTITY IS A RARE CAUSE OF HIP PAIN AFTER EXERCISE AND SHOULD BE KEPT IN MIND BY THE ORTHOPEDIC SURGEON, IN CASES OF GLUTEAL PAIN AFTER INTENSE PHYSICAL ACTIVITY. MOREOVER, SUCH A CONDITION SHOULD BE INCLUDED IN THE DIAGNOSTIC ALGORITHM OF UNKNOWN ORIGIN HIP PAIN. 2016 10 573 22 DELAYED UNION OF STRESS FRACTURE OF THE FIRST RIB IN A YOGA INSTRUCTOR: A CASE REPORT. CASE: WE DESCRIBE THE CASE OF A 38-YEAR-OLD WOMAN, A YOGA INSTRUCTOR, WHO HAD PAIN IN THE RIGHT SHOULDER AND SCAPULAR REGION OF 4 MONTHS' DURATION WHILE PERFORMING YOGA. RADIOGRAPHY AND COMPUTED TOMOGRAPHY DIAGNOSED DELAYED UNION OF A FIRST RIB STRESS FRACTURE. THE DELAYED UNION OF STRESS FRACTURE OF THE FIRST RIB WAS SUCCESSFULLY TREATED WITH THE LIMITING OF YOGA ACTIVITY AND LOW-INTENSITY PULSED ULTRASOUND (LIPUS). CONCLUSIONS: PHYSICIANS SHOULD BE AWARE THAT EVEN YOGA POSING CAN CAUSE STRESS FRACTURES OF THE FIRST RIB. LIPUS THERAPY MAY BE EFFECTIVE FOR DELAYED UNION IN ADDITION TO REST. 2021 11 2911 33 [PSEUDOARTHROSIS OF THE FIRST RIB IN A PATIENT WHO PRACTICES YOGA. A CASE REPORT]. INTRODUCTION: PSEUDOARTHROSIS OF THE FIRST RIB IS A RARE CONDITION THAT MAY OCCUR IN ATHLETES AS A RESULT OF REPETITIVE ACTIVITIES, MAINLY OVERHEAD. THE USUAL CLINICAL PRESENTATION IS PAIN IN THE NECK OR THE IPSILATERAL SHOULDER. CASE REPORT: THIS IS THE CASE OF A 19-YEAR-OLD FEMALE PATIENT WHO HAD SUDDEN PAIN OF THE BASE OF THE NECK WHILE DOING YOGA. PSEUDOARTHROSIS OF THE FIRST RIB WAS DIAGNOSED WITH X-RAYS AND CAT SCAN. TREATMENT CONSISTED OF A REHABILITATION AND PHYSICAL THERAPY PROGRAM THAT WAS SUCCESSFUL DESPITE THE PERSISTENCE OF THE PSEUDOARTHROSIS. DISCUSSION: CASES OF FIRST RIB FRACTURES HAVE BEEN REPORTED IN ATHLETES PRACTICING MULTIPLE ACTIVITIES; HOWEVER, PSEUDOARTHROSIS CASES ARE RARE SINCE MOST OF THEM PROGRESS TO BONE HEALING. THIS IS THE FIRST REPORTED CASE OF A FRACTURE OR PSEUDOARTHROSIS IN A PATIENT PRACTICING YOGA. AS IN MOST REPORTED CASES, CONSERVATIVE TREATMENT WAS SUCCESSFUL. CONCLUSION: FRACTURES AND PSEUDOARTHROSIS OF THE FIRST RIB ARE RARE IN ATHLETES AND SHOULD BE INCLUDED IN THE DIFFERENTIAL DIAGNOSIS OF ATHLETES PRESENTING WITH SHOULDER AND NECK PAIN. CONSERVATIVE TREATMENT IS SUCCESSFUL IN MOST CASES. 2009 12 2694 28 YOGA INDUCED ACUTE ULNAR NERVE COMPRESSION BY A GANGLION CYST IN GUYON'S CANAL. ACUTE ULNAR NEUROPATHY AT THE WRIST CAN BE DIFFICULT TO DIAGNOSE, AS IT IS AN UNCOMMON NEUROPATHY WITH VARIABLE CLINICAL PRESENTATIONS AND NUMEROUS ETIOLOGIES. WE PRESENT A CASE OF ACUTE ULNAR NEUROPATHY OF THE DEEP MOTOR BRANCH CAUSED BY A GANGLION CYST IN GUYON'S CANAL. INTERESTINGLY, THIS CASE OF ACUTE LOSS OF MOTOR FUNCTION OCCURRED AFTER THE PATIENT PARTICIPATED IN YOGA (SPECIFICALLY THE DOWNWARD DOG POSITION), AND RESOLVED SPONTANEOUSLY OVER TIME AFTER STOPPING YOGA, WITHOUT SURGICAL EXCISION OF THE GANGLION, SUGGESTING EXACERBATION OR PROTRUSION OF AN OCCULT GANGLION CYST DUE TO INCREASED ACTIVITY AND COMPRESSION OF THE HYPOTHENAR EMINENCE. 2013 13 1332 11 HOT YOGA AND PREGNANCY: FITNESS AND HYPERTHERMIA. QUESTION: ONE OF MY PREGNANT PATIENTS WISHES TO CONTINUE HER HOT YOGA EXERCISES DURING PREGNANCY. IS THIS PRACTICE SAFE? ANSWER: WITH THE INCREASED RISK OF NEURAL TUBE DEFECTS AND POSSIBLY OF OTHER MALFORMATIONS AMONG FETUSES EXPOSED TO EXCESSIVE HEAT, PREGNANT WOMEN SHOULD AVOID PRACTISING HOT YOGA DURING PREGNANCY. 2014 14 2356 18 VALSALVA HAEMORRHAGIC RETINOPATHY IN PREGNANCY AFTER YOGA. A 35-YEAR-OLD PREGNANT CAUCASIAN WOMAN AT 27 WEEKS GESTATION PRESENTED WITH SUDDEN ONSET PAINLESS LOSS OF VISION AND A LARGE FLOATER IN HER LEFT EYE WHILE DOING YOGA. SHE WAS FOUND TO HAVE A DENSE VITREOUS HAEMORRHAGE WITH A SMALL PRERETINAL HAEMORRHAGE. ULTRASOUND IMAGING CONFIRMED THE HAEMORRHAGE AND SHOWED NO OTHER RETINAL DAMAGE. SHE WAS DIAGNOSED WITH VALSALVA HAEMORRHAGIC RETINOPATHY AND WAS TREATED CONSERVATIVELY. AFTER 5 MONTHS OF FOLLOW-UP, THIS WOMAN HAD HAD A NORMAL DELIVERY AND HER HAEMORRHAGES AND VISION LOSS HAD RESOLVED. 2017 15 2873 37 YOGA-INDUCED MYOSITIS OSSIFICANS TRAUMATICA OF THE SCAPHOLUNATE LIGAMENT. BACKGROUND MYOSITIS OSSIFICANS TRAUMATICA (MOT) INVOLVES THE HETEROTOPIC DEVELOPMENT OF LAMELLAR BONE AFTER A TRAUMATIC INJURY. DESPITE BEING TERMED "MYOSITIS," MOT IS NOT LIMITED TO MUSCLE BUT RATHER CAN INVOLVE TENDONS, FAT, AND FASCIA. "TRAUMATICA" REFLECTS THAT LESIONS ARE USUALLY ASSOCIATED WITH A HISTORY OF SIGNIFICANT TRAUMA, THAT IS, FRACTURES OR SURGERY; HOWEVER, MANY REPORTS SUGGEST THEY CAN ALSO BE LINKED TO REPETITIVE LOW-ENERGY INSULTS. IN BOTH CASES, THE INFLAMMATORY RESPONSE SECONDARY TO TISSUE INJURY GENERATES A PROLIFERATIVE OSTEOBLASTIC CASCADE. CASE DESCRIPTION WE PRESENT A CASE OF PERSISTENT WRIST PAIN IN A 43-YEAR-OLD WOMAN ASSOCIATED WITH YOGA ACTIVITIES. HER RADIOGRAPHIC STUDIES DEMONSTRATED PARTIAL SCAPHOLUNATE (SL) LIGAMENT TEAR AND AN ASSOCIATED MASS LESION. SURGICAL PATHOLOGY REVEALED MOT INVOLVING THE SL LIGAMENT. LITERATURE REVIEW MOT LESIONS IN THE UPPER EXTREMITY ARE USUALLY LOCALIZED AROUND THE ELBOW, AND CASES IN THE HAND ARE RELATIVELY RARE. THERE ARE NO PRIOR REPORTS OF OCCURRENCES WITHIN THE WRIST JOINT OR IN ASSOCIATION WITH THE SL LIGAMENT. HOWEVER, BIOMECHANICAL STUDIES HAVE QUANTIFIED SIGNIFICANT MECHANICAL STRAINS ACROSS THE SL INTERVAL DURING VARIOUS YOGA POSES. THIS PATTERN OF MICROTRAUMA IS CAPABLE OF GENERATING MOT. CLINICAL RELEVANCE UPPER EXTREMITY WEIGHT-BEARING POSITIONS ARE COMMON IN YOGA AND SUBJECT THE WRIST, ESPECIALLY THE SL INTERVAL, TO HIGH MECHANICAL STRAINS. THIS PATTERN OF MICROTRAUMA SHOULD LEAD THE CLINICIAN TO SUSPECT MOT WHEN ENCOUNTERING A MASS IN THE WRIST, BUT MALIGNANCY AND INFECTION MUST BE RULED OUT. 2019 16 1522 20 ISOLATED RUPTURE OF THE LATERAL COLLATERAL LIGAMENT DURING YOGA PRACTICE: A CASE REPORT. WE REPORT A CASE OF ISOLATED RUPTURE OF THE LATERAL COLLATERAL LIGAMENT (LCL) OF THE KNEE WHILE ATTEMPTING TO PLACE THE LEFT FOOT BEHIND THE HEAD DURING YOGA PRACTICE. THE 34-YEAR-OLD MAN HAD DISCOMFORT OF THE LATERAL ASPECT OF THE KNEE PARTICULARLY WITH VARUS STRAIN. A MAGNETIC RESONANCE IMAGE REVEALED RUPTURE OF THE LCL AT THE INSERTION ONTO THE FIBULA. THE PATIENT HAD GRADE-II LAXITY OF THE LCL AND WAS TREATED NON-OPERATIVELY. AT THE 12-MONTH FOLLOW-UP, GRADE-I LAXITY OF THE LCL REMAINED CLINICALLY EVIDENT, BUT FUNCTION WAS NOT IMPAIRED. 2008 17 1763 25 POSTERIOR VITREOUS DETACHMENT PRECIPITATED BY YOGA. YOGA HAS RECENTLY BEEN TOUTED AS A MEANS TO IMPROVE PHYSICAL AND MENTAL WELL-BEING. HOWEVER, NO FORM OF EXERCISE IS WITHOUT ITS RISKS. A 32-YEAR-OLD CHINESE FEMALE WITH MODERATE MYOPIA COMPLAINED OF RIGHT EYE SUDDEN ONSET OF FLOATERS AND MILD BLURRING OF VISION AFTER THE HEAD-DOWN POSTURE. THE VISUAL ACUITY WAS 6/12 IN THE RIGHT EYE AND 6/9 IN THE LEFT EYE. A RIGHT EYE FUNDUS EXAMINATION SHOWED POSTERIOR VITREOUS DETACHMENT, WITH A SMALL BLOOD CLOT LOCATED AT THE INFERIOR MARGIN OF THE OPTIC DISC. THE PATIENT WAS DIAGNOSED WITH RIGHT EYE VITREOUS HEMORRHAGE SECONDARY TO ACUTE POSTERIOR VITREOUS DETACHMENT AND WAS MANAGED CONSERVATIVELY. ACUTE CHANGES IN POSTURE, ESPECIALLY BETWEEN AN UPRIGHT AND A HEAD-DOWN POSITION, MAY CAUSE ACUTE POSTERIOR VITREOUS DETACHMENT. AS YOGA PRACTITIONERS MAY BE REQUIRED TO ASSUME THIS HEAD-DOWN POSITION, MYOPIC PATIENTS SHOULD BE WARNED OF THE POSSIBLE OCULAR COMPLICATIONS OF THIS EXERCISE. 2018 18 2724 17 YOGA NEUROPATHY. A SNOOZER. SCIATIC NERVE COMPRESSION VERY RARELY OCCURS BILATERALLY. THE AUTHORS PRESENT A WOMAN WITH PROFOUND LOWER EXTREMITY WEAKNESS AND SENSORY ABNORMALITY AFTER FALLING ASLEEP IN THE HEAD-TO-KNEES YOGA POSITION (ALSO CALLED "PASCHIMOTTANASANA"). CLINICAL AND ELECTRODIAGNOSTIC FINDINGS ARE DISCUSSED IN DETAIL AND A BRIEF REVIEW OF THE LITERATURE IS PRESENTED. 2005 19 1032 32 EFFECTS OF YOGA EXERCISES ON DIABETIC MELLITUS AS VALIDATED BY MAGNETIC RESONANCE IMAGING. CONTEXT AND AIMS: EFFECTS OF PRACTICING YOGA IN DIABETIC MELLITUS (DM) PATIENTS HAVE BEEN IDENTIFIED TO IMPROVE IN CONTROL OF BLOOD GLUCOSE LEVELS. THE PURPOSE OF THIS WORK IS TO EVALUATE CHANGES IN BLOOD FLOW OF CALF MUSCLES AFTER SPECIFIC YOGA POSTURES FOR PATIENTS WITH DM USING MAGNETIC RESONANCE IMAGING (MRI) TECHNIQUES. TIME OF FLIGHT (TOF) MAGNETIC RESONANCE ANGIOGRAPHY MAXIMUM INTENSITY PROJECTION (MIP), T1 MAPS, T2 MAPS, AND DIFFUSION-WEIGHTED IMAGING ARE PERFORMED ON VOLUNTEERS AND DM PATIENTS BOTH PRE- AND POST-EXERCISE. MATERIALS AND METHODS: TOF MIP, T1 MAPS WITH VARIABLE FLIP ANGLES, AND T2-WEIGHTED SPIN-ECHO IMAGING WERE PERFORMED ON FOUR VOLUNTEERS (AGED 30 +/- 5) AND DM PATIENTS (AGED 32-68) PREEXERCISE, ON A 1.5 T SIEMENS SCANNER. THE TOTAL ACQUISITION TIME WAS 6 MIN 20 S. EACH VOLUNTEER AND DM PATIENT WERE THEN REQUESTED TO PERFORM YOGA POSTURES SUPTA PADANGUSTHASANA, UTKATASANA, AND CALF RAISE FOR 6 MIN 30 S AT MAXIMUM EFFORT, OUTSIDE THE SCANNER, AND SUBSEQUENTLY RESCANNED. TO CALCULATE SIGNIFICANT SIGNAL INCREASE, REGION OF INTERESTS WAS DRAWN ON TOF MIP CORONAL IMAGES IN ARTERIES OF CALF MUSCLES. STUDENT T-TESTS WERE PERFORMED TO DETERMINE STATISTICAL SIGNIFICANCE. RESULTS: AMONG VOLUNTEERS, A SIGNIFICANT SIGNAL INCREASE IN ARTERIES OF CALF MUSCLES WAS NOTICED, SIGNAL INTENSITY GRAPHS WERE PLOTTED. IN DM PATIENTS, SIGNAL INCREASE IN TOF MIP, T2-WEIGHTED IMAGES WERE SEEN IN SPECIFIC ARTERIES (POSTERIOR, ANTERIOR TIBIAL, AND POSTERIOR TIBIAL) OF CALF MUSCLES POSTEXERCISE. DISCUSSION AND CONCLUSIONS: THE STUDY INDICATES THAT YOGA HAS A POSITIVE SHORT-TERM EFFECT ON MULTIPLE DM-RELATED FOOT COMPLICATIONS. THIS STUDY DEPICTS THAT MRI PROVIDES POTENTIAL INSIGHT INTO THE BENEFITS OF YOGA FOR DM PATIENTS THROUGH DERIVING BIOMARKERS FOR PREVENTIVE MEDICINE RELEVANT TO YOGA INTERCEPTION. 2021 20 64 16 A COMPUTER VISION-BASED YOGA POSE GRADING APPROACH USING CONTRASTIVE SKELETON FEATURE REPRESENTATIONS. THE MAIN OBJECTIVE OF YOGA POSE GRADING IS TO ASSESS THE INPUT YOGA POSE AND COMPARE IT TO A STANDARD POSE IN ORDER TO PROVIDE A QUANTITATIVE EVALUATION AS A GRADE. IN THIS PAPER, A COMPUTER VISION-BASED YOGA POSE GRADING APPROACH IS PROPOSED USING CONTRASTIVE SKELETON FEATURE REPRESENTATIONS. FIRST, THE PROPOSED APPROACH EXTRACTS HUMAN BODY SKELETON KEYPOINTS FROM THE INPUT YOGA POSE IMAGE AND THEN FEEDS THEIR COORDINATES INTO A POSE FEATURE ENCODER, WHICH IS TRAINED USING CONTRASTIVE TRIPLET EXAMPLES; FINALLY, A COMPARISON OF SIMILAR ENCODED POSE FEATURES IS MADE. FURTHERMORE, TO TACKLE THE INHERENT CHALLENGE OF COMPOSING CONTRASTIVE EXAMPLES IN POSE FEATURE ENCODING, THIS PAPER PROPOSES A NEW STRATEGY TO USE BOTH A COARSE TRIPLET EXAMPLE-COMPRISED OF AN ANCHOR, A POSITIVE EXAMPLE FROM THE SAME CATEGORY, AND A NEGATIVE EXAMPLE FROM A DIFFERENT CATEGORY, AND A FINE TRIPLET EXAMPLE-COMPRISED OF AN ANCHOR, A POSITIVE EXAMPLE, AND A NEGATIVE EXAMPLE FROM THE SAME CATEGORY WITH DIFFERENT POSE QUALITIES. EXTENSIVE EXPERIMENTS ARE CONDUCTED USING TWO BENCHMARK DATASETS TO DEMONSTRATE THE SUPERIOR PERFORMANCE OF THE PROPOSED APPROACH. 2021