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Anatomy
Male
Surface Anatomy
Male
ext genitalia
Penis
Foreskin
Scrotum
Skin
Female
Surface Anatomy
Female
ext genitalia
Mons
Vulva
Breasts
Skin
Urogenital
System
Kidneys
Ureters
Bladder
Prostate
Urethra
Testicles
Vas deferens
Ductus
deferens
Seminal
vesicles
Ejaculatory
ducts
Uterus
Ovaries
Fallopian
tubes
Vagina
Skeletal
System
Head
Skull
Orbits
Mandible
Cranium
Zygomatic arches
Cheek bones
Scapula
Colar bone
Ribs
Vertebral column
Cervical vertebrae
Atlas
Axis
Thoracic vertebrae
Lumbar verebrae
Sacral vertebrae
Sacrum
Coccyx
Pelvis
Hip bone
Legs
Femur
Tibia
Fibula
Feet
Tarsals
Metatarsals
Phalanges
Arms
Humerus
Radius
Ulna
Hands
Carpals
Metacarpals
Phalanges
Muscular
System
Smooth
muscle
Heart
Tongue
Muscles
within arteries
Skeletal
muscle
Facial
muscles
Neck
Sternocleidomastoid
Chest
Pectoral
muscles
Pecs
Diaphragm
Stomach
Abdominals
Abs
Rectus abdominis
External oblique
Internal oblique
Transversus abdominis
Shoulders
Deltoids
Delts
Arms
Biceps
Triceps
Forearms
Extensors
Flexors
Legs
Thigh
muscles
Quadriceps
Quads
Lower
leg muscles
Calves
Back
Trapezius
Traps
Latissimus dorsi
Lats
Erector spinae
muscles
Correct Posture
Cardiovascular
System
Heart
Vessels
Respiratory
System
Mouth
Pharynx
Larynx
Trachea
Lungs
Diaphragm
Digestive
System
Mouth
Pharynx
Esophagus
Stomach
Small
intestine
Large
intestine
Rectum
Anal
canal
Liver
Gall
bladder
Pancreas
Nervous
System
Nerves
Spinal
cord
Senses
Brain
Eyes
Ears
Nose
Tongue
Endocrine
System
Pituitary
gland
Thyroid
gland
Parathyroid
glands
Adrenal
glands
Pancreas
Testes
Ovaries
Lymphatic
System
Lymph
nodes
Spleen
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Traps (Trapezius): A diamond-shaped muscle
connecting the back of your skull to your shoulders and back, used
to lift objects up.
Medial attachments: Posterior base of
skull Vertebrae from the base of the neck to the sacrum
Lateral attachments: Lateral clavical
Scapula (acromion and spine)
Lats (Latissimus
dorsi): A back muscle visible just under the arms along the
sides of the torso from the front. This muscle is used to pull things
down or to pull yourself up. If you want impressive lats, join a
swim team. If you want to get motivated to build your lats, check
out a photo of Bruce Lee.
Superior attachments: Upper humerus
Inferior attachments: Iliac crest Lower
ribs Middle and lower vertebrae.
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Erector spinae muscles: Three columns
of muscle forming a bulge along either side of the spine. They are
used to keep the vertebral spine in line, to arch the back posteriorly
and to support the back and all body parts above the hips. These
muscles are under constant stress. Once damaged these muscles cannot
be fixed, so the pain must then be managed for the rest of your
life. Avoid damage by adhering to the guidelines under the user
manual below.
The Three Columns:
All three columns share a common inferior attachment to posterior
parts of the iliac crest, sacrum and inferior lumbar vertebrae.
- Iliocostalis (lateral column)
Superior attachment: Angles (or posterior bent
portion) of the ribs
- Longissimus (intermediate column)
Superior attachment: Thoracic and cervical
vertebrae (transverse process) Lateral posterior base of the skull
(mastoid process)
- Spinalis (medial column)
Superior attachment: Connects the vertebrae
(spinal processes) from the middle back to the upper back.

If you're doing anything other than lying
flat on your back, you are using your back muscles. Unfortunately
they are very easily strained, and once they are, they are problematic
for life. Back pain cannot be cured. It can only be managed through
correct posture, daily stretching and strengthening routines. So
take care of your back. Most everyone as a teen, feels some sense
of invulnerability. Many problems seem as if they don't apply
to you until well after your physical prime. The truth is that the
roots of these problems start in the teen years, because this is
when you develop lifelong behaviors. Be aware of how you treat your
body. You will only feel invulnerable until that certain moment
when you've pushed your body just a tad too far. To avoid this
moment and the regret and pain it causes, treat your body well.
Start with your back, using the following guidelines.
Practice a good posture in everything you do.
Maintaining your spine's natural curvature significantly reduces
the stress put on your back. (Diagram) This curvature consists of
the lumbar (lower back), thoracic (middle to upper back), and cervical
(neck) curvatures. A good way to learn what it feels like to retaining
this posture is to take a yard stick or broom handle and place it
along your spine so the ruler contacts your tail bone and your upper
back. There should be a significant gap between the two points of
contact where the ruler does not contact the spine. Whenever you
stand, sit, bend over or lift something, you should retain this
back posture.
When people get tired, whether they're sitting
or standing, they tend to slouch. This sends a message to your brain
that slouching equals resting. However, the reality is that slouching
requires your back to work 10 times harder to support your spine.
If you hold your spine in good posture, the vertebrae simply rest
on top of each other minimizing the amount of work required of your
back muscles. So whenever you notice yourself slouching, straighten
your posture so you can program your brain to associate rest with
good posture.
Good Posture Guidelines
Why Arching One Way is Better
than the Other
(Diagram Fig A & B) Your torso's main contents (organs and what
not) are all in front of your vertebral column. So the muscles,
supporting your torso and spine and enabling you to stand erect,
are concentrated along your back. When you bend forward arching
your back as displayed in fig. A, your muscles are stretched and
forced into a weak position. The tension, instead of being absorbed
by the muscle, is instead placed on the tendons and ligaments. This
is dangerous, since the tendons and ligaments are much less elastic
than muscle and more prone to rip or tear. When you stand erect
with a healthy lumbar arch as in Fig. B, the muscles are slightly
contracted and thus in a stronger position. The tension is being
absorbed by the elastic muscle. When you lift, you'll notice
that there are certain positions in which you are stronger. Bench
press (Diagram), Bicep curls (Diagram), etc. Erect back posture
is the back's strongest position.
Standing
Keep your head over your shoulders. Retain an erect posture with
a natural spinal curvature. (Diagram)
Sitting
Keep your head over your shoulders. Don't slump. Any chair that
supports your lower lumbar curvature will relieve your lower back
muscles. (Diagram)
An Alternative to Bending
Over
If you can avoid bending over by kneeling on one knee, then do so.
You'll notice it's a lot easier and more comfortable. This
way you can retain your natural spinal curvature. (Diagram)
Lifting Objects from the
Floor
Use a position similar to the three-point stance of a football lineman.
Bend the knees a little and the hips a lot. Stick out your rear
and keep the head and chest up. Keep the object you're lifting
as close as possible to your body. (Diagram)
Reaching over an Obstacle
Position yourself as close to the object as possible with your knees
slightly bent. Press your legs against the object you have to reach
over. Bend slowly at the hips (not waist) with your back slightly
arched and your head and chest up. Retain this posture while lifting,
keeping the object you're lifting as close as possible to your
body. (Diagram)
To Lift Light Objects out
of a Box or Container
Place your weight on one leg. Use one hand to support yourself.
Keeping your back straight, bend at the hips, and lift and extend
your leg behind you. Reach in and lift with your free hand. (Diagram)
Even with all this amazing
info, you can still overwork your back. The more tired or
dehydrated you get, the more difficulty you will have adhering to
these guidelines. So when you're faced with a massive job, like
moving your place of residence or hauling mounds of dirt, don't
rush, be smart, split the job up, rest often, eat high energy foods,
drink plenty of fluids and get help.

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Back
Exercises
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Lat Pull-downs
Main target: The back (the lats or latissimus
dorsi muscle).
- Use a wide grip bar attached to a high pulley.
- Stretch before you start and between sets
by standing, grabbing the bar overhead and bending at the knees
and hips, pulling at your arms and lats.
- Sit down with back erect and hands holding
the bar overhead with an overhand grip Pull the bar to the top
of the chest.
- Pause briefly.
- Slowly let your arms return to their extended
overhead position.
- Repeat.
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Parallel-grip Lat Pull-downs
Main target: upper back, biceps.
- Use a parallel grip handle attached to a
high pulley.
- Stretch before you start and between sets
by standing, grabbing the bar overhead and bending at the knees
and hips, pulling at your arms and lats.
- Sit down with back erect and hands holding
the handles overhead with an overhand grip Pull the handles to
the top of the chest.
- Pause briefly.
- Slowly let your arms return to their extended
overhead position.
- Repeat.
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Behind Neck Lat Pulls
Main target: latissimus, forearm gripping muscles,
biceps, and other associated muscles.
The middle and lower trapezius and rhomboids (back
muscles) are strengthened by pressing at the end of the motion.
- Use a wide grip bar attached to a high pulley.
- Stretch before you start and between sets
by standing, grabbing the bar overhead and bending at the knees
and hips, pulling at your arms and lats.
- Sit down with back erect and hands holding
the bar overhead with an overhand grip.
- Pull the bar to the back and base of the
neck.
- Pause at the bottom for a second or 2.
- Slowly let your arms return to their extended
overhead position.
- Repeat.
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Pull-ups
Main target: the back, biceps and abdominals.
- Hands just over shoulder-width apart.
- Overhand grip.
- Knees together.
- Pull yourself up until your chin is over
the bar.
- Pause.
- Lower yourself in control.
- Repeat.
Start with 3 or 4 sets of 6 or more repetitions.
If you are a bonafide monster and can easily do 4
sets of 12 reps, add weight around your waist or in the crook behind
your knees.
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Bicep Pull-ups
Main Target: biceps receive more of a workout
in this version of pull-ups. Lats are also strengthened.
- Grab the bar, this time with an underhand
grip, hands 6 to 8 inches apart.
- Do pull ups, raising your chin above the
bar and holding it for a moment before lowering yourself.
- Repeat.
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Behind Neck Pull-ups
Main Target: the back.
- Once you're comfortable
with the "behind neck lat pulls" try pull-ups, pulling the bar
to the back and base of your neck.
- Repeat.
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Bent Over Row with Dumbbell
Main target: Latissimus dorsi (back muscle) and
biceps.
- Grab a bench and a dumbbell.
- Kneel on the bench with your left knee and
brace yourself with your left hand on the bench.
- Keep your back perfectly straight at all
times.
- Head up.
- Grab the dumbbell with the right hand and
lift it straight up to the side of your rib cage.
- Hold for a second or two and lower under
control.
- Repeat.
- Always keep your shoulders in line with your
upper body while doing the exercise.
- When finished, switch hands and repeat the
exercise.
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Bent Over Row with Free Weight Rowing Apparatus
Main target: trapezius (upper back muscle) and
anterior deltoid (front shoulder muscles).
- Lean forward onto the rowing apparatus, placing
your chest on the large pad and grab the handles attached to the
weight.
- Keep shoulders in line with your upper body.
Don't allow your shoulders to slouch forward at any time.
This places stress on the ligaments and tendons of your upper
back. Always support the weight with your back. Never let your
back fully relax as long as you are still supporting the weight.
- With back straight and head up, pull the
handles toward your chest.
- Lower the handles until your arms are straight,
keeping your shoulders in line with your upper body.
- Repeat.
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Upright Rowing
Main target: trapezius (upper back muscle) and
anterior deltoid (front shoulder muscles).
- Stand holding a barbell resting across the front
of your thighs with an overhand grip. Hands close together.
- Raise the bar keeping your elbows above the
bar at all times.
- Bring the bar to the throat or chin.
- Lower the bar to the thighs.
- Repeat.
This can also be done with a bar attached to a low
pulley.
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Wide-grip Seated Row
Main target: trapezius (upper back muscle).
- Grab bar with wide overhand grip
- Keep your back straight and face forward
at all times.
- Pull the bar to your torso.
- Pause.
- Slowly return bar to starting position with arms
extended
- Repeat.
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Parallel-grip Seated Row
Main target: back, biceps.
- Grab parallel grip handles with palms facing each
other.
- Keep your back straight, shoulders back and
face forward at all times.
- Pull the bar to your torso.
- Pause.
- Slowly return bar to starting position with arms
extended
- Repeat.
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Underhand Seated Row
Main target: upper middle back, biceps.
- Grab a straight bar with palms facing up.
- Keep your back straight, shoulders back and
face forward at all times.
- Pull the bar to your torso.
- Pause.
- Slowly return bar to starting position with arms
extended
- Repeat.
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Upright Rowing with One Hand
Main Target: Lats, rear deltoids, biceps, brachialis
and forearm flexors. This exercise allows a greater range of motion
than the two handed upright row.
- With your right hand, grab a handle attached
to a low pulley.
- Stand facing the pulley with your right leg
forward and your left leg back.
- Start with your right palm facing the floor
resting on your right knee.
- Pull the handle into the side of your right
waist while rotating your hand so it ends palm facing up.
- Reverse the motion to bring your hand back
to the starting position.
- Repeat.
- When finished, Switch hands and repeat the
exercise.
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Upright Rowing
Main Target: upper back.
- Grab a free weight barbell or a bar attached
to a low pulley with both hands placed at shoulder width apart.
- Stand erect facing the mirror (for free weights)
or the pulley apparatus with head up, face forward and bar lying
across your thighs.
- Pull the bar up to your neck or chin.
- return the bar to starting position under
control .
- Repeat.
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Back Extensions
Main Target: spinal erectors, hamstrings and
glutes.
- Use a back extension bench.
- Lean forward onto the bench placing your
hips or upper thighs (which ever is more comfortable) on the large
pad and allowing your heals or legs (depending on the design)
to rest under the small pad.
- Position your hands according to the resistance
you desire:
For the most resistance, place your hands behind your neck and
flare out your elbows. For slightly less resistance, cross your
forearms in front of your chest. For the least resistance, clasp
hands behind your butt.
- If you don't have a back extension bench,
lie on a high bench or other surface with a partner holding your
ankles down.
- Raise your torso upward to a position parallel
to the floor.
- Lower your torso.
- Repeat.
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Back Stretches
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Cat stretch
- Get down on all fours (hands and knees)
starting with your back straight.
- Press your back toward the sky and hold for
several seconds.
- From that position, slowly move torso back
until your legs are completely bent, and your arms are extending
over your head.
- hold for 15 seconds.
- Feel the stretch in your upper back and triceps.
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Spine stretch
Similar in position, but not to be confused
with the butt stretch
- Sit erect with your legs stretched out in
front of you.
- Bend the right knee and place the right foot
on the floor to the left side of the left knee.
- Turn your shoulders so that you are facing
to the right.
- Use your left upper arm against your right
knee to help ease you further around.
- Place your right hand on the floor for support.
- Feel the stretch along the length of the
spine.
- Repeat on the opposite side.
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Trunk Twists
- Stand tall with your feet slightly wider
than hip-width apart, knees slightly bent, hands resting on hips.
- Rotate the upper body slowly and smoothly
to bring the right shoulder to the front and the left shoulder
to the back.
- Hold for a couple seconds.
- Rotate the upper body slowly and smoothly
to bring your left shoulder to the front and right shoulder to
the back.
- Hold for a couple seconds and repeat, keeping
your back straight.
- Feel the stretch in your upper back.
- You can simultaneously tone your stomach
by doing 2 crunches each time you hold at the end of a rotation.
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Upper Back Stretch
- Stand tall, feet slightly wider than shoulder-width
apart, knees slightly bent.
- Keeping your palms face down, cup the outside
of one hand with the other.
- Gently straighten your arms and push your
hands as far away from your chest as possible, allowing your upper
back to relax.
- Feel the stretch between your shoulder blades.
- Switch the hands so the opposite hand gets
cupped and repeat the stretch.
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Pelvic Tilt (for pregnant women)
- Get down on all fours (hands and knees) starting
with your back straight.
- Pull in your stomach, arch your back upward
and hold for several seconds.
- Return to a straightened back position.
- Repeat.
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