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Muscle are attached to bone by

Tendons

What is the stationary bone that does not move during contraction

Origin

What is the movable bone that move during contraction towards the origin

insertion

Muscles can only

Pull not push Signup and view all the answers

What is majorly responsible in producing movement

Prime mover or Agonist Signup and view all the answers

What assist the prime mover to add extra force

Synergists Signup and view all the answers

What oppose or reverse a particular movement

Synergists Signup and view all the answers

What gives prime mover a stable base on which to act

Fixators Signup and view all the answers

Signup and view all the answers

A triangular muscle is

Deltoid Signup and view all the answers

Large muscle is

Maximus Signup and view all the answers

Small muscle is

Minimus Signup and view all the answers

Long muscle is

Longus Signup and view all the answers

Muscle with straight fiber

Rectus Signup and view all the answers

Muscle with right angle fibers

Transversus Signup and view all the answers

Muscles with fibers that run at angles to imaginary defined axis

Oblique Signup and view all the answers

Skeletal muscle with 3 origin

Triceps Signup and view all the answers

Skeletal muscle with 2 origins

Biceps Signup and view all the answers

A muscle with a broad origin is

Convergent Signup and view all the answers

A muscle with a concentric rings

Circular Signup and view all the answers

Muscle fasiciles that run parallel

Parallel arrangement Signup and view all the answers

Muscle fascicle that is spindles shaped

Fusiform Signup and view all the answers

Muscle arrangement that is obliquely(not directly attached)

Pennate Signup and view all the answers

A type of Pennate that attach on one side is

Unipennate Signup and view all the answers

A type of pennate that attach from opposite sides

Bipennates Signup and view all the answers

A type of Pennate that attach and appears as feathers inserting is

Multipennate Signup and view all the answers

The rigid bar that moves a fixed point is

Lever Signup and view all the answers

The fixed point that the lever moves on is

Fulcrum Signup and view all the answers

The force applied to lever to move resistance is

Effort Signup and view all the answers

Resistance moved by effort is

Load Signup and view all the answers

What class of lever has fulcrum between the load and effort

First class lever (scissors, head off your chest) Signup and view all the answers

What class of lever has load between fulcrum and effort

Second class( wheelbarrow, standing on toes) Signup and view all the answers

What class of lever has effort applied between the load and fulcrum

3rd class, tweezers, forceps Signup and view all the answers

What muscle of the head pull scalp forward or backward

Cranial aponeurosis Signup and view all the answers

Occipitofrontalis have two belly

Frontal belly and occipital belly Signup and view all the answers

What joins the two bellies

Cranial aponeurosis Signup and view all the answers

What muscle surround the rim of the eye

Orbicularis oculi Signup and view all the answers

Closing of eye

Origin is Maxilla and frontal bone Signup and view all the answers

Closing of eye

Insertion is Tissue of eyelid Signup and view all the answers

What muscle extends from cheekbone to corners of mouth

Zygomaticus Signup and view all the answers

Smiling

origin is Zygomatic bone Signup and view all the answers

Smiling

Insertion is skin and muscle of corner of mouth Signup and view all the answers

Muscle of the mouth

Orbicularis oris Signup and view all the answers

Closes mouth

Origin is Maxilla and mandible Signup and view all the answers

Closes mouth

insertion is skin and muscles at the angle around the lips Signup and view all the answers

Muscle at the horizontal cheek muscle

Buccinator Signup and view all the answers

Compresses the cheek to whistle

Origin is Maxilla and Mandible Signup and view all the answers

Whisling

Insertion is corner of mouth at orbicularis oris Signup and view all the answers

Prime movers of jaw closure

Temporalis and masseter Signup and view all the answers

Chewing role

Buccinator Signup and view all the answers

Covers the lateral aspect of the jaw

Masseter Origin Zygomatic arch Signup and view all the answers

Flat fan shaped muscle over temporal

Temporalis origin temporal fossa Signup and view all the answers

Flat muscle that depresses the tongue

Hyoglossus Signup and view all the answers

Deprssing tongue

origin hyoid insertion inferolateral tongue Signup and view all the answers

Slender muscle that retracts and elevates the tongue

Styloglossus Signup and view all the answers

Retracts or elevates tongue

Origin temporal insertion inferolateral tongue Signup and view all the answers

Strap like muscle that runs from the neck sternum and clavicle

Sternocleidomastoid Signup and view all the answers

Lateral head movement flexes and rotate

origin sternum and clavicle insertion mastoid Signup and view all the answers

4 sides shaped muscle at the back

Trapezius Signup and view all the answers

Head extension

orrigin 0ccipital insertion-clavicle and scapular Signup and view all the answers

Muscle at the upper vertebra to the skull

Splenius Signup and view all the answers

extend or hyperflexes the head, rotation, lateral bending

origin vertebrae insertion fist 2 ribs Signup and view all the answers

large muscle mass on each side of vertebral column that extend from the sacrum to the skull

Erector Spinae Signup and view all the answers

maintaing erect posture

origin vertebra insertion superior vertebra and ribs Signup and view all the answers

Most lateral group of erector spinae muscles

Iliocostalis Signup and view all the answers

Maintain erect postuture by lateral flex the spine

origin iliac crest and ribs insertion ribs and vertebrae Signup and view all the answers

Inspiratory muscle

External intercostal Signup and view all the answers

forced expiratory muscle

internal intercostals Signup and view all the answers

Most important muscle of inspiration

Diaphram Signup and view all the answers

Muscle in the intercostal space between the ribs

external intercostal Signup and view all the answers

Inspiration

origin inferior border of rib above, insertion superior border of rib below Signup and view all the answers

depressing rib cage of expiration

origin inferior border of rib below insertion inferior border of rib above Signup and view all the answers

Dome shaped muscle that form partition between thoracic and abdominal cavities

Diagphram Signup and view all the answers

flat thin muscle beneath the pectoralis major

pectoralis minor Signup and view all the answers

draws scapular forward and backward

origin Ribs Insertion scapular Signup and view all the answers

fan shaped deep to pectoral muscles

Serratus anterior Signup and view all the answers

holds scapular against chest wall boxing muscle

origin rib 1-8 insertion scapular Signup and view all the answers

Muscle on the sides and back of necks

Levator scapulae Signup and view all the answers

elevates and abduct scapila

origin occipital bone insertion- scapula Signup and view all the answers

Muscle in the abdominal help in trunk rotation and urination, defication , childbirt, coughing

Fascicles Signup and view all the answers

Muscle of the stomach that run from pubic bone to ribs on both sides

Rectus abdominis Signup and view all the answers

Compress abdomen

origin pubic bone insertion ribs Signup and view all the answers

Largest and and most superficial muscle of the stomach

external oblique Signup and view all the answers

Beneath the external obliques

Internal oblique Signup and view all the answers

Deepest muscle of the abdominal wall

Transverse abdominis Signup and view all the answers

Compresses the abdominal contents

origin facia and lower ribs insertion linea alba and pubic crest Signup and view all the answers

Muscle that form a sling around male prostate and female vagina is

Levator ani Signup and view all the answers

supports and maintain position of pelvic organ

Origin pubis to ishial spine insertion coccyx Signup and view all the answers

encircles the urethra

External urethral sphinester( voluntary control over urination) Signup and view all the answers

posterior half of perineum

exterbnal anal sphinester- closes anal canal Signup and view all the answers

large fan shaped covering the superior chest

Pectoralis major Signup and view all the answers

adducts and medially rotate arm

origin clavicle, sternum and ribs Signup and view all the answers

thick muscle that form the rounded shoulder mass

deltoid Signup and view all the answers

abduction

origin trapezius clavicle scapula insertion humerous Signup and view all the answers

Broad flat muscle in lower back important in swimming

Latissimus dorsi Signup and view all the answers

Swimming

origin vertebrae insertion humerous Signup and view all the answers

Flexes the forearm and lifts ulnar

Brachialis origin humerous insertion ulna Signup and view all the answers

flexes and supinates forearm

biceps brachii origin distal humerus insertion distal radius Signup and view all the answers

Stabilizer in flexing the forearm

brachioradialis origin distal humerous insertion distal radius Signup and view all the answers

extends forearm

Triceps brachii origin humerous and scapular insertion olecranon of the ulna Signup and view all the answers

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Questions and Answers

Muscle are attached to bone by

What is the stationary bone that does not move during contraction

What is the movable bone that move during contraction towards the origin

Muscles can only

What is majorly responsible in producing movement

What assist the prime mover to add extra force

What oppose or reverse a particular movement

What gives prime mover a stable base on which to act

A triangular muscle is

Large muscle is

Small muscle is

Long muscle is

Muscle with straight fiber

Muscle with right angle fibers

Muscles with fibers that run at angles to imaginary defined axis

Skeletal muscle with 3 origin

Skeletal muscle with 2 origins

A muscle with a broad origin is

A muscle with a concentric rings

Muscle fasiciles that run parallel

Muscle fascicle that is spindles shaped

Muscle arrangement that is obliquely(not directly attached)

A type of Pennate that attach on one side is

A type of pennate that attach from opposite sides

A type of Pennate that attach and appears as feathers inserting is

The rigid bar that moves a fixed point is

The fixed point that the lever moves on is

The force applied to lever to move resistance is

Resistance moved by effort is

What class of lever has fulcrum between the load and effort

What class of lever has load between fulcrum and effort

What class of lever has effort applied between the load and fulcrum

What muscle of the head pull scalp forward or backward

Occipitofrontalis have two belly

What joins the two bellies

What muscle surround the rim of the eye

Closing of eye

Closing of eye

What muscle extends from cheekbone to corners of mouth

Smiling

Smiling

Muscle of the mouth

Closes mouth

Closes mouth

Muscle at the horizontal cheek muscle

Compresses the cheek to whistle

Whisling

Prime movers of jaw closure

Chewing role

Covers the lateral aspect of the jaw

Flat fan shaped muscle over temporal

Flat muscle that depresses the tongue

Deprssing tongue

Slender muscle that retracts and elevates the tongue

Retracts or elevates tongue

Strap like muscle that runs from the neck sternum and clavicle

Lateral head movement flexes and rotate

4 sides shaped muscle at the back

Head extension

Muscle at the upper vertebra to the skull

extend or hyperflexes the head, rotation, lateral bending

large muscle mass on each side of vertebral column that extend from the sacrum to the skull

maintaing erect posture

Most lateral group of erector spinae muscles

Maintain erect postuture by lateral flex the spine

Inspiratory muscle

forced expiratory muscle

Most important muscle of inspiration

Muscle in the intercostal space between the ribs

Inspiration

depressing rib cage of expiration

Dome shaped muscle that form partition between thoracic and abdominal cavities

flat thin muscle beneath the pectoralis major

draws scapular forward and backward

fan shaped deep to pectoral muscles

holds scapular against chest wall boxing muscle