LEVER SYSTEM | CLASSES | MECHANICAL ADVANTAGE | FUNCTIONS | IN TAMIL

#leversysteminhumanbody #leverintamil
In this video,
Lever:
A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum.
Levers are classified by the relative positions of the fulcrum, effort and resistance (or load).
Class 1: Fulcrum between the effort and resistance: the effort is applied on one side of the fulcrum and the resistance (or load) on the other side,
A rare example is the force of the triceps at the olecranon.
Mechanical Advantage = 1
One example is the joint between the head and the first vertebra (the atlantooccipital joint).The weight (resistance) is the head, the axis is the joint, and the muscular action (force) come from any of the posterior muscles attaching to the skull, such as the trapezius.
Class 2: Resistance (or load) between the effort and fulcrum: the effort is applied on one side of the resistance and the fulcrum is located on the other side,
Mechanical Advantage = Greater than 1
an example of a second-class lever is found in the lower leg when someone stands on tiptoes (figure 1.22b). The axis is formed by the metatarsophalangeal joints, the resistance is the weight of the body, and the force is applied to the calcaneus bone (heel) by the gastrocnemius and soleus muscles through Achilles tendon
Class 3: Effort between the fulcrum and resistance: the resistance (or load) is on one side of the effort and the fulcrum is located on the other side,
Mechanical Advantage = Less than 1
example in the elbow joint ,The joint is the axis (fulcrum). The resistance (weight) is the forearm, wrist, and hand. The force is the biceps muscle when the elbow is flexed.
The efficiency of the lever is called mechanical advantage (MA). The greater the mechanical advantage, the less effort required. Mechanical advantage can be calculated by dividing the effort arm by the resistance arm (MA = EA/RA).

[@pravin2762]

Anna samaya explain panniga thank you so much

[@rajumahes4373]

Sir your video good .give videos for sports biomechanics for potential energy,kinetic energy,conservation energy and type of Motion.pls sir

[@Vs-pm2rq]

super sir, good effort..and good job sir...pakka

[@sarathlectures532]

Thank you so much..

[@DaisyPalraj-ki3bf]

Sir please explain the kinetics and kinamatics

[@YuvaRathna-se4mu]

Crystal clear explanation sir 👏👏 ..... Thank you sooo much It's really helpful sir 🎉🎉🎉

[@Sam_yogi__]

Annan neega very great annan❤️💯

[@vigneshp4975]

I am clearly understood sir

[@SureshSuresh-ce6io]

Deivame romba nandri ayya 😍😍

[@vigneswarivs]

Super Anna , 👏👏

[@princelavanya3605]

Good explanin

[@bhuvanafitness2509]

Gud sarath.. Keep it up

[@karthikumar8391]

Tq so much for this video sir

[@sarathlectures532]

You're welcome sir..

[@pandianrajan4696]

Videos super

[@swathi...4774]

thanks Anna nega nailla explain pandringa anna

[@deepikat2768]

It was good and clearly explained sharath👍👌

[@sarathlectures532]

Thank you..

[@soulrefreshrhythm1305]

Super. Clear explanation

[@sarathlectures532]

Thank you soo much..

[@nandy387]

👍

[@swetham1249]

Sir innum biomechanics la eruka introduction fulla vedio poduga Roma usefulla eruku sir

[@sarathlectures532]

Surely..

[@vineeshavenugopal5174]

✌

[@Jgaa_vlogs]

Sir could you explain elctrotheraphy?

[@sarathlectures532]

Hii.. Actually as a therapist. Please focus on Other subjects... Like Anatomy, biomechanics, pathomechanics, Clinical condition and Physical Rehabilitation.. That will be good for your carrier.

[@asmiyaameen2035]

Which class lever is suitable?? Could plz tell me an explanation plz???

[@sarathlectures532]

Its depends on which function you want.

[@sarathlectures532]

Class one for stability
Class two for heavy lifting
Class three for high speed

[@asmiyaameen2035]

@@sarathlectures532 thank you

[@pandianrajan4696]

R u doctor

[@sarathlectures532]

Physiotherapist