Chapter 10 Flashcards by Megan Blais

Muscle Tissue (3 Forms)

Cardiac
Smooth
Skeletal

How well did you know this?

Not at all

Perfectly

Actions of Muscles

Muscles can only pull, they cannot push

-what one group does, another group undoes

How well did you know this?

Not at all

Perfectly

Functional Groups

Agonist

Antaonist

How well did you know this?

Not at all

Perfectly

Agonist

Contracts

How well did you know this?

Not at all

Perfectly

Antagonist

Relaxes

How well did you know this?

Not at all

Perfectly

Synergist

Helps prime movers
Adds extra force to same movement
Reduces undesirable or unnecessary movement

How well did you know this?

Not at all

Perfectly

Naming Skeletal Muscle

Location of Muscle
Shape
Size
Direction of muscle fibers
Number of Origins
Location of Attachment
Muscle Action

How well did you know this?

Not at all

Perfectly

Arrangement of Fascicles

Circular- rings
Convergent- broad origin, single tendon insertion
Parallel- strap-like, parallel to long axis
Fusiform- spindle-shaped muscles with parallel fibers
Pennate- short fascicles attach to central tendon running length of muscle

How well did you know this?

Not at all

Perfectly

Lever Systems

Lever- bone
Effort- force
Load- resistance

How well did you know this?

Not at all

Perfectly

For Pictures

Look at App on Ipad

Pictures and Muscle Functions there

How well did you know this?

Not at all

Perfectly

Muscles (Need to Know)

Name
Origin
Insertion
Action

How well did you know this?

Not at all

Perfectly

Temporalis

Temporal Region
Mandible
Close Mouth

How well did you know this?

Not at all

Perfectly

Masseter

Lateral Region
Mandible
Close Mouth

How well did you know this?

Not at all

Perfectly

Buccinator

Mandible
Other Facial Muscles
Mastication, Whistling

How well did you know this?

Not at all

Perfectly

Sternocleidomastoid

Sternum
Mastoid Process (Temporal Bone)
Rotate Head

How well did you know this?

Not at all

Perfectly

Scalene:
Anterior
Middle
Posterior

Cervical Vertebrae (Transverse Process)
Ribs 1-2
Inspiration (Breathing In)

How well did you know this?

Not at all

Perfectly

Erector Spinae Group

All vertebrae (Transverse Process)
6 Vertebrae Superior to Origin
Extend Vertebral Column

Rectus Abdominis

Pubic Bone
Coastal Cartilage of Ribs
Flexes Vertebral Column

Transversus Abdominis

Lower ribs and lumbar fascia
Anterior Thorax (Linea Alba)
Compress Abdominal Cavity

Pectoralis Minor

Anterior Ribs
Scapula (Coracoid Process)
Round Shoulder

Pectoralis Major

Clavical, Sternum, Ribs
Proximal Humerus
Flexes Shoulder

Serratus Anterior

Lateral Ribs
Scapula (Anterior)
Round Shoulder

Trapezius

Thoracic Vertebrae
Scapula (Sine of)
Stabilize Scapula

Rhomboids

Thoracic Vertebrae
Scapula (Medial Border)
Stabilizes Scapula

Deltoid

Clavical and Scapular Spine Deltoid Tuberosity (Humerus) Abduct Shoulder

Latissimus Dorsi

Thoracic and Lumber Vertebrae Proximal Humerus Extend Shoulder

Pronator Teres

Medial Humerus Radius Rotate Forearm Palm Down

Biceps Brachii

Anterior Humerus Radius Flex Elbow

Triceps Brachii

Posterior Humerus Ulna (Olecranon) Extend Elbow

Wrist/Finger Flexors

Proximal Anterior Humerus Anterior Metacarpal, Carpal, or Phalange Flex Wrist/Fingers

Wrist/Finger Extensors

Proximal Posterior Humerus Posterior Metacarpal, Carpal, or Phalange Extend Wrist/Fingers

Iliopsoas

Lumbar Vertebrae Proximal Femur (Lesser Trochanter) Flex Trunk/Leg

Quadriceps Femoris

Anterior Femur Patella Extend Knee

Hamstrings

Ischial Tuberosity (Sit Bones) Proximal Tibia Flex Knee

Gluteus Minimus

Ilium Greater Trochanter Abducts Leg

Gluteus Medius

Ilium Greater Trochanter Abducts Leg

Gluteus Maximus

Ilium Greater Trochanter Extends Leg

Tibialis Anterior

Middle Tibis Metatarsal Dorsiflex Ankle

Gastrocnemius

Femur (Femoral Condyles) Calcaneus via Achilles Tendon Plantar Flex Ankle

Soleus

Proximal Tibia and Fibula Calcaneus via Achilles Tendon Plantar Flex Ankle