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[PDF] Top 20 Transition from wing to leg forces during landing in birds

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Transition from wing to leg forces during landing in birds

Transition from wing to leg forces during landing in birds

... velocity during take-off and landing needs to be placed in the broader context of avian ...include birds modulating drag using their legs in some circumstances; for example, for stability in ... See full document

8

Wing and body kinematics of takeoff and landing flight in the pigeon (Columba livia)

Wing and body kinematics of takeoff and landing flight in the pigeon (Columba livia)

... the birds in this ...arm from the aerodynamic force vector to the center of mass necessary to pitch the body upward was ...1.4mm from takeoff to mid-flight and 1.7mm from mid-flight to ... See full document

8

Measuring leg thrust forces in the common starling

Measuring leg thrust forces in the common starling

... the forces generated during landing and take-off depend significantly on mass, the angle of the perch reaction force shows no such ...low; birds are clearly applying forces at different ... See full document

5

Don't break a leg: running birds from quail to ostrich prioritise leg safety and economy on uneven terrain

Don't break a leg: running birds from quail to ostrich prioritise leg safety and economy on uneven terrain

... ground birds are paragons of bipedal running that span a 500-fold mass range from quail to ...cursorial birds by analysing how they negotiate single-step obstacles that create a conflict between body ... See full document

11

Don't break a leg: Running birds from quail to ostrich prioritise leg safety and economy in uneven terrain

Don't break a leg: Running birds from quail to ostrich prioritise leg safety and economy in uneven terrain

... ground birds are paragons of bipedal running that span a 500-fold mass range from quail to ...cursorial birds by analysing how they negotiate single-step obstacles that create a conflict between body ... See full document

12

Take off mechanics in hummingbirds (Trochilidae)

Take off mechanics in hummingbirds (Trochilidae)

... that birds maximize their initial flight velocity using leg thrust rather than wing ...smallest birds, hummingbirds (Order Apodiformes), are unique in their ability to perform sustained ... See full document

8

Aerodynamic consequences of wing morphing during emulated take off and gliding in birds

Aerodynamic consequences of wing morphing during emulated take off and gliding in birds

... and wing shapes that differ in size, absolute forces, rather than coefficients, are of greater immediate relevance to a ...Thus, during these behaviors, birds are likely concerned about ... See full document

9

TAIL MUSCLE ACTIVITY PATTERNS IN WALKING AND FLYING PIGEONS (COLUMBA LIVIA)

TAIL MUSCLE ACTIVITY PATTERNS IN WALKING AND FLYING PIGEONS (COLUMBA LIVIA)

... recorded during five modes of aerial and terrestrial ...trunk. During walking, the pectoralis and most tail muscles are normally inactive, but levator muscle activity alternates with the striding ... See full document

22

Transition from leg to wing forces during take off in birds

Transition from leg to wing forces during take off in birds

... purchased from commercial dealers, housed in flight cages, and provided with food and water ad ...take-off from a perch at a climb angle of ...single wing length (cm), body width between the wings ... See full document

10

Avian blood parasite infection during the non-breeding season: an overlooked issue in declining populations?

Avian blood parasite infection during the non-breeding season: an overlooked issue in declining populations?

... This work was supported by a BBSRC studentship to JCD (Studentship no BBSSK200512132); blood sampling was carried out under Home Office licence PPL 40/3075 and mist netting and ringing were carried out under licence ... See full document

10

Rotational lift: something different or more of the same?

Rotational lift: something different or more of the same?

... a wing in flutter (Theodorsen, 1935), which is described in detail by Fung ...measured from oscillating wings are used instead of theoretical coefficients based on the Theodorsen function or its ...the ... See full document

10

Aerodynamics of wing assisted incline running in birds

Aerodynamics of wing assisted incline running in birds

... For recording and analysis of DPIV data, we used a LaVison GmBH (Goettingen, Germany) DPIV system running DaVis 7.1 software. We used a dual-cavity pulsed 50-mJ Nd:YAG laser illuminate a flow field 3·mm thick, with ... See full document

10

The experience of transition : an analysis of the transition from the Australian Defence Forces to civilian life

The experience of transition : an analysis of the transition from the Australian Defence Forces to civilian life

... Pearson Product Moment Zero Order Correlation Coefficients: Estimated Time to Complete Transition Tasks, Other Variables and the Dependent Variables.. Regression Equations: Depe.TJdent V[r] ... See full document

415

Indonesian civil-military relations : the armed Forces and political Islam in transition, 1997-2004

Indonesian civil-military relations : the armed Forces and political Islam in transition, 1997-2004

... 'From Soeharto to Habibie: The Indonesian Armed Forces and Political Islam during the Transition', in: Geoff Forrester editor, Post-Soeharto Indonesia: Renewal or Chaos?, Institute of So[r] ... See full document

315

Gliding Birds: The Effect of Variable Wing Span

Gliding Birds: The Effect of Variable Wing Span

... The maximum performance model In the maximum performance model, wing span, wing area and the profile drag coefficient may vary at each speed; their values are chosen to minimize sinking [r] ... See full document

26

Raess, Michael
  

(2006):


	Annual timing and life-history variation in free-living stonechats.


Dissertation, LMU München: Fakultät für Biologie

Raess, Michael (2006): Annual timing and life-history variation in free-living stonechats. Dissertation, LMU München: Fakultät für Biologie

... taken from the alar ...reflect birds in the state before the capture stressor was ...the birds were either handled to take measurements of body size and body condition (as described in Chapter 2) or ... See full document

233

Biomechanical symmetry in elite rugby union players during dynamic tasks: an investigation using discrete and continuous data analysis techniques

Biomechanical symmetry in elite rugby union players during dynamic tasks: an investigation using discrete and continuous data analysis techniques

... symmetry during multi directional neuro- muscular challenge tests in a cohort of elite injury free rugby union ...single-leg landing [29], a single-leg lateral hop [5], and a change- ... See full document

13

Comparative Analysis of Clubfoot and Normal Calf Muscle Activity Using Electromyography- A Case Study Humayun Mushtaq* 1, Seema Chawla2 Mohsina Mushtaq 3

Comparative Analysis of Clubfoot and Normal Calf Muscle Activity Using Electromyography- A Case Study Humayun Mushtaq* 1, Seema Chawla2 Mohsina Mushtaq 3

... The Raw and filtered [Root Mean Square (RMS) and Integrated EMG (IEMG)] signals acquired from the subject were quantified using AcqKnowledge 3.9 software. The data acquisition software (AcqKnowledge 3.9, BIOPAC ... See full document

5

Increasing trunk flexion transforms human leg function into that of birds despite different leg morphology

Increasing trunk flexion transforms human leg function into that of birds despite different leg morphology

... the leg remained unchanged at TD, with increasing trunk flexion it underwent a significant decrease at ...unchanged leg length at TD led to a decrease in the distance between the CoM and the ...axial ... See full document

9

Structural Analysis of Aircraft Landing Gear During Rough Landing

Structural Analysis of Aircraft Landing Gear During Rough Landing

... aircraft landing gear shock absorber is a combination of mechanical structure, pneumatics and hydraulic damping used for transmitting impact ...A landing gear shock absorber model includes an aircraft mass ... See full document

6

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