Physiobikefit | Therapist

Physiobikefit

Phone: +61 438 467 792

Address: 67 Little George Street 3065

Website: http://www.physiobikefit.com.au

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21.01.2022 Chosing a new bike... height is a good starting point, however it is not always easy or conclusive when comparing different models and geometries. If you are lucky enough to sit in the middle of the manufacturers charts the decision is simpler, if you overlap two sizes there are many factors that will influence your choice of larger or smaller. These factors are 1/ Your personal physical 'make-up' (flexibility, body build type, asymmetries, body proportions) and 2/ Your ride preference or desired feel of the bike underneath you (ie do you want more or less bike under you, do you want to get really aero or be more upright) 3/ Sometimes the clincher is not the frame itself but the associated component sizing such as crank length, bar width..

19.01.2022 Strength around the hip joint laterally is important in maintaining a well aligned pedal stroke, these muscles act like the 'guy ropes' keeping the foot, knee and ankle in ergonomic harmony, preventing extraneous (injury causing) motion to the knee joint #bikefit #seatheight #topbikephysio #physiobikefit #cyclinginjuries #emmacolson #cyclingbiomechanics #cyclingkneepain

19.01.2022 Cleat positioning is crucial for cyclists. The cleat alignment needs to represent the lower limb alignment with respect to stance width and hip/tibial/foot position to prevent injury. If not and the foot is constrained (ie you are 'fighting' the cleats) usually it is the knee that takes most of the strain and the rotational force can cause very nasty trauma around the joint. #bikefit #seatheight #topbikephysio #physiobikefit #cyclinginjuries #emmacolson #cyclingbiomechanics #cleatposition

16.01.2022 How is your 'Ape Index'? Roughly your arm spam should be your height. With respect to BIKEFIT, those who have longer arms might wish to have a little more length and drop to the front of their bike, unless it is making up for very tight Hamstrings. The real Apes have a distinct mechanical advantage for things like pushing people up hill and 'popping' the front for MTBers...

15.01.2022 A simple 'quick test' for seat height/leg reach. With the pedal at bottom dead centre, make sure the pelvis is not leaning and the foot makes a right angle with the knee straight. (During motion at this point of the stroke the knee will be slightly flexed and the foot more toey). Note that this is affected not just by the height of the saddle but also the saddle fore/aft and cleat position.

09.01.2022 If it's carbon, don't guess it - use a Torque wrench, or suffer an expensive mistake, especially relevant for strong men! Carbon grip paste can be useful if the said force does not seem to quite hold. For those on a specialized (that often specifies Inch-pound foot) use an online chart to convert to Newton metres like this one http://www.kylesconverter.com//inch--pounds-force-to-newto

09.01.2022 The Iliotibial band (ITB) is a large fascial sheath, hence unlike a muscle it cannot be stretched via pulling both ends, rather it needs to be rolled out (on a roller like in this picture) or massaged. In cyclists the ITB gets tight due to the enlargement of the layer underneath it the Vastus Lateralis (VL) (quadriceps). This tightness can then put undue lateral stress on the patella (knee cap) and create anterior knee pain.#bikefit #seatheight #topbikephysio #physiobikefit #cyclinginjuries #emmacolson #cyclingbiomechanics

09.01.2022 Greg Le Mond came up with a formula. Seat height (centre of bottom bracket to top of saddle) is roughly equal to inseam *0.88. Inseam has a far better reliability factor (test/retest and inter-tester) than other measures on the human body for leg length (trochanteric height for example). The 'Le Monde' method is a good starting point to get your seat height 'ball park' correct. #bikefit #seatheight #topbikephysio #physiobikefit #cyclinginjuries #emmacolson #cyclingbiomechanics

04.01.2022 The plank is a very time effective way to build core strength for cycling. Whilst a 'gross' exercise and not to replace a graduated retraining program for individuals with existing chronic pain, it can be useful in relieving de-conditioning back pain, the type that comes on when you climb 1000m vertical and you are not 'used' to it! The best target for the plank, start with your max hold time (it might only be 15 seconds) and repeat 3 times with 5 minutes between. Build up to say 3 holds of 6 minutes, 2-3 times per week. NB Keep breathing and don't hold your breath/valsava

01.01.2022 Fore/aft positioning of the knee joint is partially determined by dropping a plumb-bob down from the Tibial Tuberosity. The line should either bisect (at its most forward position) the pedal axle OR sit behind the pedal axle (up to maximum of around 3cm). If the plumb-bob sits in-front of the pedal axle the patello-femoral pressures increase to a level that may cause PFJ pain and or damage. Generally a smaller rider will sit more forward and a taller (and more flexible) rider will sit further back, to balance their weight on the bike. #bikefit #seatheight #topbikephysio #physiobikefit #cyclinginjuries #emmacolson #cyclingbiomechanics #cleatposition