Information about Inversion (kinesiology)

sprained ankle, also known as a ankle sprain, ankle injury or ankle ligament injury, is a common medical condition where one or more of the ligaments of the ankle is torn or partially torn.
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In human anatomy, the tibialis anterior is a muscle in the shin that spans the length of the tibia. It originates in the upper two-thirds of the lateral surface of the tibia and inserts into the medial cuneiform and first metatarsal bones of the foot.
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The Tibialis posterior is the most central of all the leg muscles.

It is the key stabilising muscle of the lower leg.

Origin and insertion

It originates on the inner posterior borders of the tibia and fibula.
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subtalar joint, also known as the talocalcaneal joint, is a joint of the foot. It occurs at the meeting point of the talus and the calcaneus. The joint allows inversion and eversion of the foot, but plays no role in dorsiflexion or plantarflexion of the foot.
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Released October 31, 2007
Genre J-Pop
Length N/A
Label Geneon
Producer(s) I've Sound

Mami Kawada singles chronology

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(2007) JOINT
(2007)

JOINT
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Amphiarthroses is a type of continous joint. In Amphiarthroses (slightly movable articulations), the contiguous bony surfaces are either:

• symphysis: connected by broad flattened disks of fibrocartilage, of a more or less complex structure, as in the articulations

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A symphysis is a fibrocartilaginous fusion between two bones. The more prominent symphyses are:

• the pubic symphysis
• the symphyses between the bones of the skull, most notably the mandible (symphysis menti)
• sacrococcygeal symphysis

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Gomphosis is a synarthrosis (joint) that binds the teeth to bony sockets in the maxillary bone and mandible. The fibrous connection between a tooth and its socket is a periodontal ligament.
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Synovial joints (or diarthroses, or diarthroidal joints) are the most common and most moveable type of joints in the body. As with all other joints in the body, synovial joints achieve movement at the point of contact of the articulating bones.
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In the hinge joint (ginglymus), the articular surfaces are moulded to each other in such a manner as to permit motion only in one plane, forward and backward, the extent of motion at the same time being considerable.
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Pivot joint (trochoid joint, rotary joint): Where the movement is limited to rotation, the joint is formed by a pivot-like process turning within a ring, or a ring on a pivot, the ring being formed partly of bone, partly of ligament.
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In a condyloid joint (condyloid articulation, ellipsoidal joint) an ovoid articular surface, or condyle, is received into an elliptical cavity in such a manner as to permit of flexion, extension, adduction, abduction, and circumduction, but no axial rotation.
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In a saddle joint (sellar joint, articulation by reciprocal reception) the opposing surfaces are reciprocally concave-convex.

The movements are the same as in a condyloid joint; that is to say, flexion, extension, adduction, abduction, and circumduction are
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ball and socket joint (enarthrosis, spheroidal joint) is a joint in which the distal bone is capable of motion around an indefinite number of axes, which have one common center.
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A gliding joint (arthrodial joint, plane articulation) is a synovial joint which admits of only gliding movement.

Example

It is the form present in:

• the joints between the articular processes of the vertebrae,

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Kinesiology is the scientific study of the anatomy, physiology, and mechanics of body movement, especially in humans. ^[1] The word kinesiology is derived the Greek "kinesis" (motion) + the suffix -ology or -logy from the greek "logos" or "logia"(meaning a field of study).
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hyper- is sometimes added to emphasize movement beyond the normal position, such as in hyperflexion or hyperextension. Such movements can put significant stress on the joints involved.
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Agonist is a kind of muscle that causes movement to occur. It creates the normal range of movement in a joint by contracting. Agonists are also referred to as "prime movers" since they are the muscles that are primarily responsible for generating movement.
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An antagonist is a kind of muscle that acts in opposition to the movement generated by the agonist and is responsible for returning a limb to its initial position.

Antagonistic pairs in houses

These antagonistic muscles are found in pairs called antagonistic pairs.
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flexion is a position that is made possible by the joint angle decreasing. The skeletal (bones, cartilage, and ligaments) and muscular (muscles and tendons) systems work together to move the joint into a "flexed" position.
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Extension is a movement of a joint. For example, extension is produced by extending the flexed elbow. The arm is now straight; it has been extended. If the head is tilted all the way back, it is said to be extended.

The movement in the opposite directions is called flexion.
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Adduction is a movement which brings a limb - arm or leg - closer to the sagittal plane of the body. It is opposed to abduction.

This term is also used when one speaks about the operation of the muscle in anatomy or musculature.
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Abduction, in functional anatomy, is a movement which draws a limb away from the median (Sagittal) plane of the body. It is thus opposed to adduction.

Muscles of abduction

Upper limb

the coming together of two bones attached by a joint laterally

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In anatomy, internal rotation (also known as medial rotation) is rotation towards the center of the body.

The muscles of internal rotation include:

• of arm/humerus at shoulder^[1]

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External rotation (or lateral rotation) is rotation away from the center of the body.

The muscles of external rotation include:

• of arm/humerus at shoulder^[1]

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Supination is the rotation of the forearm so that the palm faces anteriorly, or palm facing up (when the arms are unbent and at the sides).

The hand is supine (facing anteriorly) in the anatomical position.
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Pronation is an anatomical term to describe a rotation movement^[1]. Such movement can occur in the forearm (at the radioulnar joint) and the foot (at the subtalar and talocalcaneonavicular joints)<ref name="Kendall et al." />^[2].
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Plantarflexion is the movement which increases the angle between the foot and the leg, as when depressing an automobile pedal. The word "Plantar" translates as "toward the sole" ("Planta").

The movement in the opposite direction is Dorsiflexion.
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Dorsiflexion is the movement which decreases the angle between the foot and the leg. The movement moving in opposite directions is called Plantarflexion.

The range of motion for dorsiflexion is indicated in the literature as 20° to 30°.
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Eversion is the movement of the sole of the foot away from the median plane.

Peroneus longus and peroneus brevis evert.^[1]

References

External links

• Overview at upstate.

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