This study aimed to investigate the effects of performing either eccentric-only (ECC) or eccentric-concentric (ECC-CON) back squats (BS) with a supramaximal load on countermovement jump (CMJ) performance. Changes in front thigh skin surface temperature and mechanical properties (oscillation frequency and stiffness) of the vastus lateralis were also examined. Fourteen male powerlifters participated in this study (age: 22.5 ± 2.3 years, body weight: 84.2 ± 11.1 kg, height: 178 ± 7 cm, training experience: 5.4 ± 1.6 years, BS one-repetition maximum [1RM]: 177 ± 22.8 kg). The experimental sessions included 2 sets of 2 BS at 110% 1RM of either ECC-CON (load distributed by half on the barbell [55%] and on weight releasers [55%]) or ECC (only eccentric phase of BS) and CTRL with no CA applied. CMJ performance, mechanical properties, and skin surface temperature were measured before and at the third, sixth, ninth, and 12th min. After each protocol, only the ECC-CON condition led to a significant increase in CMJ height after individual optimal rest time compared to pre-CA (38.1 ± 5.2 vs. 39.8 ± 5.0 cm; p = 0.003; effect size [ES] = 0.32; Δ = 4.9 ± 5.0%) with a significant rise in skin surface temperature (32.98 ± 1.24 vs. 33.69 ± 0.96°C; p = 0.006; ES = 0.62; Δ = 2.2 ± 2.6%) and no significant changes in mechanical properties of the vastus lateralis. The ECC-CON condition led to a significant acute improvement in CMJ height and an increase in front thigh skin surface temperature among powerlifters. The ECC-CON supramaximal lower limb PAPE protocol should be effectively used among males representing high levels of lower limb muscle strength (>2 × body mass).
- Klíčová slova
- accentuated eccentric loading, muscle strength, post‐activation performance enhancement, post‐activation potentiation, power output, weight releasers,
- MeSH
- biomechanika MeSH
- čtyřhlavý sval stehenní fyziologie MeSH
- dospělí MeSH
- kosterní svaly fyziologie MeSH
- lidé MeSH
- mladý dospělý MeSH
- odporový trénink MeSH
- sportovní výkon * fyziologie MeSH
- stehno fyziologie MeSH
- svalová síla fyziologie MeSH
- teplota kůže * fyziologie MeSH
- vzpírání * fyziologie MeSH
- Check Tag
- dospělí MeSH
- lidé MeSH
- mladý dospělý MeSH
- mužské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
We investigated the convergent validity and intrasession reliability of force, velocity, and power (FVP) variables and the dynamic strength index (DSI) obtained from isometric midthigh pull (IMTP) and squat jump (SJ) testing. Fifteen male combat sports athletes (27 ± 5 years, 77 ± 9 kg, 1.76 ± 0.1 m, 14 ± 6% body fat) participated in a 2-days study. The first day involved testing familiarization, while the second was dedicated to IMTP and SJ testing. Maximal isometric force (Fiso ) was obtained from IMTP, while mean force, mean velocity, jump height, and jump impulse (J) were gathered from SJ. To analyze the FVP, we calculated the linear relationship between force and velocity, which allowed us to obtain the slope of the relationship (SFV ), the theoretical velocity at zero force (V0 ), and the theoretical maximal power (Pmax ). DSI was obtained as a ratio from SJ peak force and Fiso . The convergent validity was investigated using Spearman's ρ coefficients to assess the relationships between jump height and J with Fiso , V0 , SFV , Pmax , and DSI. The intrasession reliability was assessed using intraclass correlation coefficients (ICC) and coefficient of variations (CV). All variables demonstrated acceptable reliability scores. ICC ranged from moderate to excellent, and the mean CV was <10%. We found a "very large" correlation between jump J and Pmax , while jump height was not correlated with any variable. In conclusion, the IMTP and SJ combination is a practical way to determine FVP producing capacities that can be reliably measured (intrasession). The Pmax , derived from FVP, was correlated with jump performance, which might evidence the convergent validity of the method.
- Klíčová slova
- Assessment, Dynamic strength index, Isometric midthigh pull, Linear regression, Performance, Squat jump, Two-point method,
- MeSH
- biomechanika * MeSH
- cvičení * MeSH
- dospělí MeSH
- lidé MeSH
- pohyb * MeSH
- reprodukovatelnost výsledků MeSH
- stehno fyziologie MeSH
- Check Tag
- dospělí MeSH
- lidé MeSH
- mužské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
PURPOSE: The deep fascia has recently been a current topic in many medical fields, including rehabilitation. Some research has already focused on assessing deep fascia, however results of individual authors differ in certain aspects. This study focuses on the inter-rater reliability of ultrasound (US) measurement of the thickness of deep fascia and loose connective tissue (LCT). The aim was to define the causes of any discrepancies in measurement that could contribute to the unification of management of evaluating fascia. METHODS: An observational study was performed including 20 healthy individuals in whom fascia lata of the anterior thigh was examined by US imaging and then measured in Image J software. Three raters participated in this study: the first with 6 years of US imaging experience, other two were newly trained. The measurement of fascial parameters was conducted in two phases with special consultation between them resulting in an agreement of the research team on the more precise way of measurement. RESULTS: Results revealed the value of inter-rater reliability ICC3,1 = 0.454 for deep fascia thickness and ICC3,1 = 0.265 for LCT thickness in the first phase and any significant difference in the second phase. This poor inter-rater reliability led to a search for possible causes of discrepancies, which authors subsequently highlighted. CONCLUSION: The findings of the study show the main pitfalls of deep fascia measurement that should contribute to the unification of evaluation.
- Klíčová slova
- Deep fascia, Fascia lata, Fascia thickness, Reliability, Ultrasonography,
- MeSH
- dospělí MeSH
- fascia lata diagnostické zobrazování anatomie a histologie MeSH
- fascie diagnostické zobrazování anatomie a histologie MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladý dospělý MeSH
- odchylka pozorovatele * MeSH
- reprodukovatelnost výsledků MeSH
- stehno diagnostické zobrazování MeSH
- ultrasonografie * metody MeSH
- zdraví dobrovolníci pro lékařské studie MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladý dospělý MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- pozorovací studie MeSH
BACKGROUND: The anterolateral thigh (ALT) flap was described as the fasciocutaneous flap. It can be harvested as a pedicled and/or free flap. Majority of the free flaps are harvested as a fasciocutaneous flap. Their use in head and neck reconstruction and limb trauma is well established. Apart from these advantages, this flap has various applications which are less utilized. ALT flap can be used as a myocutaneous flap along with vastus lateralis muscle. When muscle and fasciocutaneous flaps are required, both can be harvested as a chimeric flap which can cover two different regions of the wound. Moreover, harvest of the pedicled flap procedure is less time-consuming than that of a free flap. Since it has a long vascular pedicle, when used as pedicled flap, it can reach up to the gluteal region. To evaluate these less applied advantages of pedicled ALT flap, our study was undertaken. This study aimed to evaluate the efficiency of ALT flap in terms of the surface area of coverage, arc of rotation and the advantages of including vastus lateralis muscle as part of the flap. METHODS: A retrospective record analysis of all pedicled ALT flap reconstruction of trochanteric, upper thigh, gluteal and flank regions from 2016 to 2018 was undertaken; 7 patients with 8 defects were included. RESULTS: All the flaps healed successfully. There was no major necrosis of the flap and minor complications like wound gapping were found in three patients. CONCLUSION: The ALT-vastus lateralis flap dimensions can be very large and can be easily harvested in a very short time. Vastus lateralis muscle harvested can be used to fill the defect or can be used as chimera to cover the defect. The use of muscle over long standing infective pressure sores can sterilize the wound bed and help in preventing recurrence. The vascularity of this flap is robust and highly reliable. Even after a maximum arc of rotation (up to 170°) all the flaps survived without any major complications.
- Klíčová slova
- pedicled ALT flap – reconstructive surgery – pressure sore – anterolateral thigh flap,
- MeSH
- lidé MeSH
- myokutánní lalok * chirurgie MeSH
- retrospektivní studie MeSH
- stehno chirurgie MeSH
- volné tkáňové laloky * chirurgie MeSH
- zákroky plastické chirurgie * metody MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
BACKGROUND: Flaps are the essence of reconstructive surgery. The ability to successfully design, execute and manage the flaps makes plastic surgery an outstanding speciality. The choice of flap is mainly guided by the type of the defect. However, certain factors like technique feasibility, duration of the surgery and patient factors do have a role in decision making. The primary type of free flap (whether a muscle or a fasciocutaneous flap) is dictated by the defect or the wound characteristics. However, the choice of flap depends on various factors like the component of flap, pedicle length required, the ease of harvest and donor site morbidity. Tensor fascia lata (TFL) is one myocutaneous flap, which has well developed components other than a muscle. MATERIALS AND METHODS: The patients admitted to a tertiary care hospital with the diagnosis of composite tissue defect in any region of the body were enrolled for this study from November 2016 to November 2018. Patients undergoing free TFL flap reconstruction are studied. The duration of flap harvest, the anatomical site of pedicle, flap outcome and the need of secondary surgery were analysed. RESULTS: Totally 14 patients were reconstructed with a free TFL flap. The anatomic location of the defect was more frequent on lower limbs - 8 cases (58%), followed by the upper limb and the head and neck area (3 cases, each 21%). The mean flap harvest time was -62.07 (45-80) min. The mean size of pedicle entry was 8.7 cm from the anterior superior iliac spine. Out of the 14 flaps, there were 10 (71%) flaps successful completely and 4 (29%) of them had partial loss. CONCLUSION: A free TFL flap harvest time is very short compared to any other flaps and hence makes it the flap of choice in patients who are critical and cannot withstand long operating time.
- Klíčová slova
- free flap, reconstructive surgery, tensor fascia lata,
- MeSH
- fascia lata transplantace MeSH
- lidé MeSH
- myokutánní lalok * MeSH
- stehno MeSH
- volné tkáňové laloky * MeSH
- zákroky plastické chirurgie * MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
Large unresectable STS presents a therapeutic challenge. Several options are being explored to avoid amputation without compromising the oncological outcome. Neoadjuvant chemotherapy delivers inconsistent and rather unsatisfactory results, preoperative radiotherapy compromises healing, hence it can impede adjuvant systemic treatment. We present a case report of neoadjuvant use of isolated limb perfusion with TNF-alfa and Alkeran (Melphalan) in a patient with initially unresectable large myxoid liposarcoma of the thigh. We achieved 55% reduction in size of the tumor that allowed for wide resection with a safe margin. Pathology confirmed 99% tumor necrosis. The patient has a full function of his extremity and is disease-free at one year follow-up. ILP should be considered as a treatment option which, in selected cases, can contribute to limb sparing surgery. Key words: sarcoma, soft tissue, regional perfusion, chemotherapy, surgery, orthopedic, limb salvage.
- MeSH
- chemoterapie nádorů pomocí regionální perfúze MeSH
- dospělí MeSH
- končetiny MeSH
- lidé MeSH
- myxoidní liposarkom * diagnostické zobrazování farmakoterapie chirurgie MeSH
- neoadjuvantní terapie * MeSH
- perfuze MeSH
- stehno MeSH
- záchrana končetiny MeSH
- Check Tag
- dospělí MeSH
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- kazuistiky MeSH
Distant abscesses are uncommon during the episode of acute pancreatitis (AP). However, these are possible sequalae of necrotizing pancreatitis and should be treated appropriately to prevent serious septic complications. We demonstrate a case of a 56-year-old male patient who presented with severe necrotizing pancreatitis and distant retroperitoneal abscess that reached femoral region and was detected on diagnostic imaging scans. Combination of surgical and supportive therapy was employed, and the patient recovered well with no permanent consequences. Our article highlights the importance of quick and accurate diagnosis and timely intervention in this rare type of pancreatitis complication.
- Klíčová slova
- drainage, pancreatitis, retroperitoneal,
- MeSH
- akutní nekrotizující pankreatitida komplikace MeSH
- břišní absces diagnostické zobrazování etiologie terapie MeSH
- drenáž MeSH
- kombinovaná terapie MeSH
- lidé středního věku MeSH
- lidé MeSH
- retroperitoneální prostor MeSH
- stehno diagnostické zobrazování MeSH
- Check Tag
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- kazuistiky MeSH
Lymphoedema represents a serious health problem associated with significant psychological, social and economic burden for the one affected. Despite the progress in diagnostics and treatment, this medical problem will not be definitively solved in the foreseeable future. We present a case of a patient with lymphoedema which, unfortunatelly resulted in a forced transfemoral amputation due to septic complications. The course of the disease in this case confirms the severity of the diagnosis with possibly life- threatening consequences. Further, we discuss current views on lymphoedema based on the available literature.
- Klíčová slova
- lymphoedema − transfemoral amputation − septic complications,
- MeSH
- amputace * MeSH
- chronická nemoc MeSH
- lidé MeSH
- lymfedém * etiologie chirurgie MeSH
- stehno MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- kazuistiky MeSH
Fractures of the proximal tibia are high energy fractures. According to available literature, 3-4% of all fractures heal problematically with non-union or osteomyelitis. Usage of locking compression plating system as well as usage of hybrid fixator is associated with the risk of compartment syndrome, local infection and subsequent malunion, osteomyelitis or non-union. We present a case of 30-year-old male suffering from posttraumatic non-union. The medial femoral condyle flap was selected due to its favourable properties providing a highly vascularised osteogenic tissue in combination with anterolateral thigh flap and Corlett loop. Our case report describes a reconstruction of a long weight-bearing bone. Despite the amount of anastomoses and usage of vein graft, the selected method of reconstruction seems to be safe and with a long-lasting benefit for the patient.
- Klíčová slova
- Condyle, Osteomyelitis, free flap, lower extremity, osteogenesis, tibial fracture,
- MeSH
- anastomóza chirurgická MeSH
- dospělí MeSH
- femur chirurgie transplantace MeSH
- fraktury tibie chirurgie MeSH
- lidé MeSH
- nezhojené fraktury chirurgie MeSH
- stehno MeSH
- tibie chirurgie transplantace MeSH
- vény transplantace MeSH
- volné tkáňové laloky * MeSH
- Check Tag
- dospělí MeSH
- lidé MeSH
- mužské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- kazuistiky MeSH
OBJECTIVE: To demonstrate that the use of platelet-rich plasma (PRP) enhances both the quality of healing and the time required for wound healing at a skin graft donor site. METHODS: Patients who had dermo-epidermal skin grafts taken from the thigh area were included in a prospective, randomised clinical study. PRP was applied to one donor site and then covered with Vaseline-impregnated, open-weave gauze and gauze, while the contralateral donor site on the other thigh served as a control and was covered with the open-weave gauze and gauze without PRP. RESULTS: A total of 24 patients took part in the study, of which three developed infections and were thus removed from the study. Use of PRP reduced the wound healing time of the dermo-epidermal graft donor sites by a mean 17.8% and median 18 days. On average, the treated donor sites healed in 14.9 days compared with 18.4 days for the control group. The median was 14 days compared with 18 days in the control group (p=0.026). In one patient, healing was slower on the side where PRP was applied. In 20 patients, healing of the donor site was accelerated where PRP was applied. CONCLUSION: The study demonstrated a beneficial effect of PRP, as healing time was shortened. Using PRP to heal wounds could be beneficial for patients for whom commonly available wound healing therapies have failed, as well as for high-risk patient groups for whom problematic wound healing may be expected.
- Klíčová slova
- growth factors, platelet-rich plasma, thrombocytes, wound healing,
- MeSH
- autologní krevní transfuze MeSH
- časové faktory MeSH
- dospělí MeSH
- emoliencia aplikace a dávkování MeSH
- hojení ran * fyziologie MeSH
- kůže patofyziologie MeSH
- lidé středního věku MeSH
- lidé MeSH
- místo odběru štěpu * patofyziologie MeSH
- mladiství MeSH
- mladý dospělý MeSH
- obvazy MeSH
- plazma bohatá na destičky * fyziologie MeSH
- prospektivní studie MeSH
- senioři nad 80 let MeSH
- senioři MeSH
- stehno MeSH
- transplantace kůže * MeSH
- vazelína aplikace a dávkování MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- mužské pohlaví MeSH
- senioři nad 80 let MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- randomizované kontrolované studie MeSH
- Názvy látek
- emoliencia MeSH
- vazelína MeSH
