Anaphy Lec musculoskeletal
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Questions and Answers

Muscles are attached to no fewer than two points

Origin and insertion

Attachment to an immovable or less movable bone

Origin

Attachment to a movable bone

Insertion

When the muscles contracts the insertion moves toward the

<p>Origin</p> Signup and view all the answers

Body movement occurs when muscle contract across

<p>Joints</p> Signup and view all the answers

Movement that - deacreses the angle of the joints - brings two bones together - typical of bending hinge joints or ball and socket joints

<p>Flexion</p> Signup and view all the answers

Body movement that is - opposite of flexion,increases the angle between two joints, typical of straightening the elbows and knee

<p>Extension</p> Signup and view all the answers

Extension beyond 180 degree is

<p>Hyperextension</p> Signup and view all the answers

Body movement that is - movement of a bone around its longitudinal axis, common in ball and socket joints, moving the atlas around the dens of axis(shaking head no)

<p>Rotation</p> Signup and view all the answers

Movement of limb away from midline

<p>Abduction</p> Signup and view all the answers

Opposite of abduction , movement of limb toward the midline

<p>Adduction</p> Signup and view all the answers

Combination of flexion,extension, abduction and adduction it is common in ball and socket joints

<p>Circumduction</p> Signup and view all the answers

In circumduction, proximal end of bone is ____ and distal end moves in a _____

<p>Stationary and circle</p> Signup and view all the answers

Lifting the foot so that the superior surface approaches the shin (towards the dorsum)

<p>Dorsiflexion</p> Signup and view all the answers

Pointing the toes away from the head

<p>Plantar flexion</p> Signup and view all the answers

Turning sole of foot medially

<p>Inversion</p> Signup and view all the answers

Turning sole of foot laterally

<p>Eversion</p> Signup and view all the answers

Forearms rotates laterally so palm faves anteriorly

<p>Supination</p> Signup and view all the answers

In supination radius and ulna are

<p>Parallel</p> Signup and view all the answers

Forearm rotates medially so pam faces posteriorly

<p>Pronation</p> Signup and view all the answers

In pronation radius and ulna cross each other like an

<p>X</p> Signup and view all the answers

A muscle that crosses on the anterior side of a joint produces

<p>Flexion</p> Signup and view all the answers

A muscle that crosses on the posterior side of a joint produces

<p>Extension</p> Signup and view all the answers

A muscle that crosses on the lateral side of the joint produces

<p>Abduction</p> Signup and view all the answers

A muscle that crosses on the medial side of a joint produces

<p>Adduction</p> Signup and view all the answers

The teres major is the antagonist of the

<p>Deltoid</p> Signup and view all the answers

Rectus

<p>Straight</p> Signup and view all the answers

Maximus

<p>Largest</p> Signup and view all the answers

Triceps

<p>Three heads</p> Signup and view all the answers

Deltoid

<p>Triangular</p> Signup and view all the answers

Fascicles are in concentric rings

<p>Circular</p> Signup and view all the answers

Fascicles converge on a single insertion tendon

<p>Convergent</p> Signup and view all the answers

Length of fascicles run ___ to the long axis of the muscle

<p>Parallel</p> Signup and view all the answers

Modified parallel arrangement resulting in a spindle shaped muscle

<p>Fusiform</p> Signup and view all the answers

Short fascicles attached obliquely to a central tendon

<p>Pennate</p> Signup and view all the answers

Increasing muscular control reflects the maturation of the

<p>Nervous system</p> Signup and view all the answers

Muscle control is achieved in superior/inferior and

<p>Proximal/dismal direction</p> Signup and view all the answers

Without exercise muscles

<p>Atrophy</p> Signup and view all the answers

With extreme vigorous exercise,muscles

<p>Hypertrophy</p> Signup and view all the answers

As we age muscle mass decreases and muscles become more

<p>Sinewy</p> Signup and view all the answers

Exercise helps retain muscle ___ and ____

<p>Mass and strength</p> Signup and view all the answers

Muscle decrease in size

<p>Atrophy</p> Signup and view all the answers

Muscle increase in volume

<p>Hypertrophy</p> Signup and view all the answers

Flashcards

Origin

The attachment of a muscle to an immovable or less movable bone.

Insertion

The attachment of a muscle to a movable bone.

Flexion

Decreases the angle of a joint, bringing two bones together.

Extension

Increases the angle of a joint.

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Hyperextension

Extension beyond 180 degrees.

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Rotation

Movement of a bone around its longitudinal axis.

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Abduction

Movement of a limb away from the midline.

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Adduction

Movement of a limb toward the midline.

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Circumduction

Combination of flexion, extension, abduction, and adduction.

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Dorsiflexion

Lifting the foot so the superior surface approaches the shin.

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Plantar flexion

Pointing the toes away from the head.

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Inversion

Turning the sole of the foot medially.

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Eversion

Turning the sole of the foot laterally.

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Supination

Forearm rotates laterally so palm faces anteriorly.

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Pronation

Forearm rotates medially so palm faces posteriorly.

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Antagonist

A muscle that opposes the action of another muscle.

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Rectus

Straight.

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Maximus

Largest.

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Triceps

Muscle with three heads.

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Deltoid

Triangular muscle.

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Circular muscle

Fascicles in concentric rings

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Convergent muscle

Fascicles converge to a single insertion tendon.

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Parallel muscle

Length of fascicles run parallel to the long axis of the muscle.

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Fusiform muscle

Modified parallel arrangement resembling a spindle.

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Pennate muscle

Short fascicles attached obliquely to a central tendon.

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