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The brain and spinal cord are covered by 3 layers of coonective tissue membane called
The brain and spinal cord are covered by 3 layers of coonective tissue membane called
menings
The outer layer of the menings
The outer layer of the menings
Dura mater
Middle layer of the menings
Middle layer of the menings
Arachnoid
Innermost layer of menings
Innermost layer of menings
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The liquid that cushions the brain and spinal cord
The liquid that cushions the brain and spinal cord
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The network of blood in each ventricles of the brain
The network of blood in each ventricles of the brain
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The opening of which ventrocle allof csf to enter subarachnoid space where it flows around the brainand spinal cord
The opening of which ventrocle allof csf to enter subarachnoid space where it flows around the brainand spinal cord
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The largest portion of the brain
The largest portion of the brain
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The surface of the cerebrum is marked or divided by
The surface of the cerebrum is marked or divided by
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The outer space of cerebrum is
The outer space of cerebrum is
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Left side of the brain controls
Left side of the brain controls
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Parietal lobe
Parietal lobe
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occipital lobe
occipital lobe
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temporal lobe
temporal lobe
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The central part of the brain
The central part of the brain
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what regulates visceral activities
what regulates visceral activities
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What part involves in puberty
What part involves in puberty
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brain stem is called
brain stem is called
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Part of the brain for skeletal muscle, posture, balance
Part of the brain for skeletal muscle, posture, balance
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Sensory nerves that carry smell
Sensory nerves that carry smell
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sensory nerves that carry vision
sensory nerves that carry vision
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sensory nerves that control eyes
sensory nerves that control eyes
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sensory nerves that control; eye movement
sensory nerves that control; eye movement
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largest cranial nerve
largest cranial nerve
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Aids in eye movement
Aids in eye movement
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nerve for hearing
nerve for hearing
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nerve for swallowing
nerve for swallowing
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nerve for supply heart, lungs, abdominal viscera
nerve for supply heart, lungs, abdominal viscera
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Nerve to move tongue
Nerve to move tongue
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measure of potential energy
measure of potential energy
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current flow of electrical charge
current flow of electrical charge
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hindrance to charge of flow
hindrance to charge of flow
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Which muscle maintains the position of pelvic organs and encircles the urethra?
Which muscle maintains the position of pelvic organs and encircles the urethra?
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Which muscle is responsible for adducting and medially rotating the arm?
Which muscle is responsible for adducting and medially rotating the arm?
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Which muscle is a thick, rounded shoulder mass and is important in abduction?
Which muscle is a thick, rounded shoulder mass and is important in abduction?
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Which muscle is a broad, flat muscle in the lower back and is important in swimming?
Which muscle is a broad, flat muscle in the lower back and is important in swimming?
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Which muscle flexes the forearm and lifts the ulna?
Which muscle flexes the forearm and lifts the ulna?
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Which muscle is a stabilizer in flexing the forearm?
Which muscle is a stabilizer in flexing the forearm?
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Which muscle acts as a synergist and fixator in the arm and shoulder girdle?
Which muscle acts as a synergist and fixator in the arm and shoulder girdle?
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Where are the flexors located in the forearm?
Where are the flexors located in the forearm?
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Which muscle causes the palm to face downward or backward?
Which muscle causes the palm to face downward or backward?
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Which muscle is the largest and most superficial of the buttocks?
Which muscle is the largest and most superficial of the buttocks?
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Which muscle is located in the middle of the sole?
Which muscle is located in the middle of the sole?
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Which muscle of the sole is responsible for moving the toes and foot?
Which muscle of the sole is responsible for moving the toes and foot?
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What is the function of the prime mover or agonist muscle?
What is the function of the prime mover or agonist muscle?
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Which type of muscle arrangement includes deltoid and maximus muscles?
Which type of muscle arrangement includes deltoid and maximus muscles?
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What is the role of fixators in muscle function?
What is the role of fixators in muscle function?
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How many origins can skeletal muscles like triceps have?
How many origins can skeletal muscles like triceps have?
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What are the components of a lever?
What are the components of a lever?
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Which muscle is responsible for controlling the movement of the tongue?
Which muscle is responsible for controlling the movement of the tongue?
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What is the role of synergists in muscle function?
What is the role of synergists in muscle function?
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Which type of muscle arrangement includes pennate muscles?
Which type of muscle arrangement includes pennate muscles?
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What is the function of insertion in muscle anatomy?
What is the function of insertion in muscle anatomy?
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What is the function of the muscle called orbicularis oculi?
What is the function of the muscle called orbicularis oculi?
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What is the primary function of the muscle called masseter?
What is the primary function of the muscle called masseter?
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Which muscle is responsible for assisting in respiration by contracting during inhalation?
Which muscle is responsible for assisting in respiration by contracting during inhalation?
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Study Notes
Muscle Anatomy and Function
- Muscles are attached to bones by tendons
- Origin is the stationary bone during muscle contraction, while insertion is the movable bone
- Muscles can only pull, not push
- Prime mover or agonist is mainly responsible for producing movement
- Synergists assist the prime mover to add extra force
- Fixators give the prime mover a stable base on which to act
- Different types of muscle arrangements include triangular (deltoid), large (maximus), small (minimus), long (longus), rectus, transversus, oblique
- Skeletal muscles can have multiple origins, such as triceps (3 origins) and biceps (2 origins)
- Different types of muscle arrangements include convergent, circular, parallel, fusiform, pennate (unipennate, bipennate, multipennate)
- Levers consist of a rigid bar, fulcrum, effort, and load, with three classes of levers
- Specific muscles of the head include occipitofrontalis, orbicularis oculi, zygomaticus, orbicularis oris, buccinator, temporalis, masseter
- Muscles of the tongue include hyoglossus, styloglossus, and sternocleidomastoid, trapezius, erector spinae, external and internal intercostals, diaphragm, pectoralis minor, serratus anterior, levator scapulae, and levator ani.
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Description
Explore the anatomy and functions of muscles, including muscle attachments, types of muscle arrangements, specific muscles in the head and tongue, and the concept of levers. Learn about prime movers, synergists, and fixators in muscle movements.
