There are three classifications of joints: fixed/immovable joints, slightly movable joints, and freely movable or synovial joints. The main synovial joints are ball and socket, hinge, and pivot joints. Ball and socket joints allow movement in all directions at the shoulder and hip. Hinge joints only allow movement in two directions, like the knee and elbow. Pivot joints only allow rotation, found at the top of vertebrae in the neck. Each joint type facilitates different movements and can be identified by their structure and motion.
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small correction in slide number: 10
during flexion of tibia over femur in OKC; tibia glides and rolls posteriorly
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small correction in slide number: 10
during flexion of tibia over femur in OKC; tibia glides and rolls posteriorly
during extension of tibia over femur in OKC: tibia glides and rolls anteriorly
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In is you can see about--
The Effects of Exercise on the Skeletal System-
Improve Bone Density
Range of Movement in the Joints-
Range of Movement in the Joints-
Short term effects of exercise on skeletal system
Short term effects of exercise on skeletal system
And also
Effect of exercise on muscular system-
Short-Term Effects
Long-Term Effects
Effects of exercise on skeletal and muscular systemSandeepGautam72
In is you can see about--
The Effects of Exercise on the Skeletal System-
Improve Bone Density
Range of Movement in the Joints-
Range of Movement in the Joints-
Short term effects of exercise on skeletal system
Short term effects of exercise on skeletal system
And also
Effect of exercise on muscular system-
Short-Term Effects
Long-Term Effects
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Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
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Safalta Digital marketing institute in Noida, provide complete applications that encompass a huge range of virtual advertising and marketing additives, which includes search engine optimization, virtual communication advertising, pay-per-click on marketing, content material advertising, internet analytics, and greater. These university courses are designed for students who possess a comprehensive understanding of virtual marketing strategies and attributes.Safalta Digital Marketing Institute in Noida is a first choice for young individuals or students who are looking to start their careers in the field of digital advertising. The institute gives specialized courses designed and certification.
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Normal labor is also termed spontaneous labor, defined as the natural physiological process through which the fetus, placenta, and membranes are expelled from the uterus through the birth canal at term (37 to 42 weeks
3. Allow movement
Attach muscles
Allow muscular contraction to cause movement.
4. There are 3 classifications of
joints:
Fixed or immoveable
joints eg cranium
Slightly moveable joints
eg vertebrae
Freely moveable or
‘synovial joints’ eg knee,
elbow, shoulder
5. There are 3 classifications.
They are classified by their structure and the way
they allow movement:
1) Ball and socket joint
2) Hinge joint
3) Pivot joint
6. The most moveable joints in the body. Allow
movement in all directions e.g. the shoulder and
the hip.
7. Work like a hinge on a door and can bend to allow
movement in two directions only eg the knee, the
elbow.
8. Only allows rotation and is found at the top of the
vertebrae (your neck)
9. Ball and Socket
Lifting front leg to clear a hurdle.
Doing straddle jump.
Butterfly arm movement.
Front crawl.
Back kick in karate.
Bowling action in cricket.
10. Hinge
Legs bending during a squat.
As you kick a football.
Bending arm when doing bicep curls.
11. Pivot
In netball turning head to look for ball.
Turning head to look for the ball when batting in
rounders.
12. 1)Extension. Straightening or extending a limb (the
angle of the joint increases) eg the arm extending
at the elbow and moving to 180 degrees.
2)Flexion. Bending or flexing a limb (the angle of
the joint decreases) eg flexing the elbow and
moving the angle to 90 degrees.
13. 1)Abduction. Moving a limb away from the centre
line of the body (an alien would ‘take somebody
away’ when they abduct a person) eg the arm can
be moved away from the centre line of the body at
the shoulder.
2)Adduction. Moving a limb towards the centre line
of the body (you are ‘adding’ the limb to the body)
eg arm moved towards centre line of body at the
shoulder.
14. Rotation. This is a turning or rotational movement
of a limb or body part eg the arms can rotate at
the shoulder.
15. Now for a quiz!
1. The synovial hip joint is an example of a:
hinge joint
pivot joint
ball and socket joint
2. Synovial fluid:
strengthens the joint
lubricates the joint
aids tendons
3. Which movement allows only extension and flexion?
Hinge
Ball and socket
Pivot
16. 4. Which is not a freely moveable joint?
Ball and socket
Cranium
Pivot
5. Write down the three functions of a joint
6. Where would you find a slightly moveable joint?
Vertebrae
Knee
Ankle
17. Ball and socket joint
Extension, flexion, abduction, adduction, rotation.
Hinge joint
Extension, flexion.
Pivot joint
Rotation
18. ANSWERS
1. Ball and socket joint
2. Lubricates the joint
3. Hinge joint
4. Cranium
5. Allows movement, attaches muscle and allows muscular
contraction to cause movement
6. Vertebrae
A joint is a structure in the human body, that links two parts of the skeleton together. Joints are made up of bone, cartilage, ligaments and tendons.
Joints hold the skeleton together and support movement. The joints have different functions, one to provide a range of movement, moving left and right and rotation for example. The second, is structure as it enables to bones to join together and thirdly attaching our muscles to our bones. Without the joints in our body, the change in position would not be able to take place.
The three types of joints in the skeletal system are fixed or immovable joints, partially moveable and freely moveable joints. The immoveable joint is held together by fibrous connective tissue rather than ligaments and tendons. The partially moveable joint has limited movement and occurs when the connection between the articulating bones is made up of cartilage, for example the vertebrae.
The word synovial means the joint is moveable. Synovial joints are lubricated with synovial fluid which provides the cartilage surrounding the bone to form a slippery surface for free movement.
The ball and socket joint provides swinging and rotating movements. This synovial joint has the biggest amount of freedom for movement. The shoulder and hip joints are the only ball and socket joints in the human body.
The hinge joints are formed between two bones and can only move along one axis, either extending or flexing. The hinge joints in the body are the ankle, elbow and knee.
A pivot joint, also called a rotary joint, only allows rotary movement around a single axis. The pivotal joint is located in the vertebrae directly under the cranium, which allows for turning of the head left and right.
Here is a list of sport examples of when a ball and socket joint is used. For example, butterly or front crawl movement, as the shoulder rotates to provide momentum to push through the water.
As stated previously, a hinge joint is used during many sporting activities, as well as day to day. In order for us to walk, our knees bend like a hinge to produce movement. A sporting example listed above is kicking a ball in football, or bending the arm when performing a bicep curl.
As discussed earlier, the pivot joint is in the vertebrae, allowing the tuning of left and right of the head. Sporting examples, include turning to our team mates when passing or receiving the ball in netball.
The first movement that can be performed from a synovial joint is extension, this is straightening or extending the limb. Flexion is bending the limb.
Abduction is moving the limb away from the body, adduction is moving the limb back towards the body. Look at the picture to understand the movement.
This type of movement is conducted from a ball and socket joint. The movement is a circular rotation, such as bringing your arms above your head.
Above are the movements and their joints. This gives us specific information about which movements come from which joints.
I hope you have found this presentation useful for your revision, thank you.