Mar 27, Anterior Deltoid | Front Deltoid Muscle Anatomy & Exercises

The anterior deltoid is the frontmost of the three deltoid muscle heads.

This part of the deltoid gets worked hard during all upper body compound pushing exercise. It is for this reason that it is usually unnecessary, even counterproductive, to train this muscle with isolation movements.

On this page, you can find all information you'd want about this muscle. Learn its anatomy, view pictures and discover the best exercises for training it.

Use the table of contents (TOC) on the right to easily navigate through this guide.

Front ShoulderFront Deltoid (delt)

Origin

Anterior lateral third of the clavicle

Insertion

Lateral portion of the humerus

Functions

Internal shoulder rotationShoulder abductionShoulder flexionTransverse shoulder flexion^ up to TOC

Barbell

Dumbbell

Cable

Cable Military PressCable Shoulder PressCable Behind Neck PressCable Front RaisesCable Twisting Overhead Press

Body Weight

Machine

Machine Military PressMachine Reclined Shoulder PressMachine Behind Neck PressMachine Shoulder Press

Stretches

^ up to TOC

^ up to TOC

^Top of Page

View the original article here

Mar 27, Lateral Deltoid | Outer Deltoid Muscle Anatomy & Exercises

The lateral deltoid is the one of the three heads of the deltoid muscle. When it is developed, your shoulders appear much broader and more "capped." It functions to raise your arms up at your sides.

On this page, you can find all information you'd want about this muscle. Learn its anatomy, view pictures and discover the best exercises for training it.

Use the table of contents (TOC) on the right to easily navigate through this guide.

Outer deltoid (delt)Outer shoulderSide deltoid (delt)Side shoulder

Origin

Lateral portion of the acromion

Insertion

Lateral portion of the deltoid

Function

Shoulder abductionTransverse shoulder abductionShoulder flexion^ up to TOC

Barbell

Dumbbell

Cable

Cable Lateral RaiseCable Upright Row

Machine

Machine Lateral RaiseBarbell-Machine Upright Row

Stretch

Fixed Bar StretchSide Deltoid Stretch^ up to TOC

^ up to TOC

^Top of Page

View the original article here

Mar 25, Posterior Deltoid | Rear Deltoid Muscle Anatomy & Exercises

The posterior deltoid is one of the three distinct heads of the deltoid anatomy. Located on the back of the shoulder, it is typically used in tandem with the back muscles during upper body pulling exercises.

On this page, you can find all information you'd want about this shoulder muscle. Learn its anatomy, view pictures and discover the best exercises for training it.

Use the table of contents (TOC) on the right to easily navigate through this guide.

Rear deltoid (delt)Rear shoulder

Origin

Lower lip of the posterior border of the scapular spine

Insertion

Lateral portion of the humerus

Function

External shoulder rotationShoulder extensionTransverse shoulder abductionTransverse shoulder extension^ up to TOC

Barbell

Barbell Rear Delt RowBarbell Rear Delt RaiseBarbell Lying Rear Delt Row

Dumbbell

Dumbbell Bent Over Lateral RaiseDumbbell Seated Rear Lateral RaiseDumbbell Lying Rear Lateral RaiseDumbbell Lying Rear Delt RowDumbbell Lying Rear Delt RaiseDumbbell Rear Delt Row

Cable

Face PullsCable Rear Lateral RaiseCable Rear Delt RowCable Rear Delt PullCable Standing Cross Arm Pull

Body Weight

Machine

Machine Seated Rear Delt RowMachine Seated Rear Lateral FlyMachine Seated Rear Lateral FlyMachine Lying Real Lateral Raise

Stretches

Manual Resistance Rear Deltoid StretchFixed Bar Rear Deltoid Stretch^ up to TOC

^ up to TOC

^Top of Page

View the original article here