Questions tagged [bio-mechanics]

The study biological systems in regards to their ability to apply and respond to mechanical forces.

19 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
0answers
41 views

Mechanics of Peregrine Falcon Dive Pull Up

There are loads of information on how fast the Peregrine Falcon dives, but aside from having specialized lungs, eyes, etc... to survive the dive. What mechanics does it use to pull out of such a dive,...
2
votes
0answers
33 views

Do tarantulas and humans have the same mechanism for growing hair?

There's hair on my arms. Tarantulas also have hair on their arms. Is this the same type of hair?
2
votes
0answers
36 views

How does anaerobic burst-flight performance scale with mass?

Quails employ anaerobic burst flight to escape predators and the Quetzalcoatlus northropi have most likely used it during launch and climb out, then transition to soaring. Now, I have read these ...
2
votes
0answers
30 views

How does fungi network transfer substances between plants?

How does fungi network transfer substances between plants? I recently read a short article about fungi network. And I am wondering about how fungi network works (Mechanism). Plants have fungi ...
2
votes
0answers
49 views

Are trees still carrying their leaves more likely to be felled by an autumn storm?

Is there evidence that trees still carrying their leaves are more likely to be felled by an autumn storm than trees already having lost their leaves? At first sight this seems plausible (and might be ...
1
vote
0answers
123 views

Movement of the Thoracic Cage During Movements of the Thoracic Spine

Just for a bit of context: I am trying to create a 3D digital model of the human skeleton as the first step towards computer generated muscle simulation, and as such I want the skeleton to be as ...
1
vote
0answers
85 views

Tensile strength of collagen?

Really specific question, but what is the average tensile strength of human collagen, type I? I've tried looking for it online, and either my google-fu skills are weak, or I'm just unlucky. Also, is ...
1
vote
0answers
38 views

about the muscle's tension's variables

I'm reading the paper "THE PROBLEM OF THE INTERRELATION OF CO-ORDINATION AND LOCALIZATION", which is written by N. Bernstein. The paper said "The degree of tension of a muscle is a function, in the ...
1
vote
0answers
764 views

Strongest bone in body

AS internet tells is it is thigh bone which is strongest, but why, it carry only upper part of body, does not heel or any foot bones should be strongest in body as they carry full body weight ?
1
vote
0answers
31 views

Muscle involved in carrying load on head

I have seen people carrying heavy load on their head especially in 3rd world countries, does carrying on head any benefit or harm, which muscle get strengthen in doing it?
1
vote
0answers
914 views

Three foramen lying in one vertical plane

In the human skull we can see that 3 foramina named as supraorbital notch(foramen) , infraorbital foramen and mental foramen share a common vertical plane. Is there any surgical significance of for ...
1
vote
0answers
376 views

How is the Force of Contraction Applied to the Tendons by the Muscle's Individual Fibers?

Image and question have been updated for clarity! The image above is a side view of a semi-transparent skeletal muscle. The dark red lines represent individual fibers, the blue lines represent ...
0
votes
0answers
52 views

Human femur maximum strength

In this video https://www.youtube.com/watch?v=os98s9kBlOI it is demonstrated that a moose leg bone can support until nearly 10 tonne before break. Is there any similar demonstration on human femurs? ...
0
votes
0answers
42 views

For how long is the gene expression altered in tenocytes' nuclei following changes in mechanical load, and which genes are affected?

I read in {1}: The matrix is far more conspicuous than the cells. However, it is now widely recognised that the cellular elements hold the key to understanding development, repair and the ability ...
0
votes
0answers
33 views

Etymology of eccentric/concentric contractions

I was wondering if anyone knew why the terms eccentric and concentric were chosen to refer to lengthening and shortening muscle contractions? The basic etymology of the words are to do with ...
0
votes
0answers
302 views

Bite Force of Triceratops

Estimations (or measurements) of bite force is usually conducted for toothy predators like sharks, theropod dinosaurs and crocodiles. For example: Tyrannosaurus had a bite force of about 57 kN (about ...
0
votes
0answers
37 views

How are ants able to dig with such pointy limbs?

Digging is usually efficient with somewhat broader structures shovels, no one tries to shovel with an ice-pick. Given that ants have very pointy mandibles and thin wispy legs, how are they able to dig ...
0
votes
0answers
522 views

Curved membrane effect

Curved Membrane effect: Movements of the tympanic membrane are more at the periphery than at the centre where malleus is attached which provides some leverage. This is called as curved membrane ...
0
votes
0answers
25 views

How pulmonary vasculature removes embolism?

This book says: Pulmonary vasculature removes emboli before they reach into systemic circulation. I can speculate that if the emboli are made of fat or clot then our body could degrade it but how ...