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Anterior Deltoid

Anterior fibers of the deltoid muscle. Primary shoulder flexor and assists with horizontal flexion. Deltoid has seven anatomical segments based on intramuscular tendon distribution.

Draft95%

Anatomy

Origin: Lateral third of clavicle
Insertion: Deltoid tuberosity of humerus
Action: Arm elevation (particularly in anterior planes), horizontal flexion
Innervation: Axillary nerve, anterior branch (C5-C6)
Blood Supply: Thoracoacromial artery, anterior circumflex humeral artery

Movements (4)

Movement	Joint	Role	Notes
Shoulder Flexion	Glenohumeral Joint	Primary	—
Shoulder Horizontal Adduction	Glenohumeral Joint	Primary	—
Shoulder Abduction	Glenohumeral Joint	Secondary	—
Shoulder Internal Rotation	Glenohumeral Joint	Secondary	—

Exercises (55)

Exercise	Role
Landmine Press	Primary
Overhead Press (Seated)	Primary
Dumbbell Shoulder Press	Primary
Turkish Get-Up	Primary
Downward Dog (Adho Mukha Svanasana)	Primary
Bear Crawl	Primary
Wall Walks (Wall Finger Climbing)	Primary
Bird Dog to Elbow-Knee	Secondary
Wall Push-Up	Secondary
Bird Dog Exercise	Secondary
Doorway Pectoralis Stretch	Secondary
Scaption with External Rotation	Secondary
Dynamic Hug	Secondary
Barbell Bench Press	Secondary
Dumbbell Bench Press	Secondary
Dip	Secondary
Lateral Raise	Secondary
Burpee	Secondary
Jumping Jack	Secondary
Chest Fly	Secondary
Pec Deck	Secondary
Countertop Incline Push-Up	Secondary
Chair Triceps Dip	Secondary
Knee Push-Up	Secondary
Push-Up	Secondary
Diamond Push-Up	Secondary
Archer Push-Up	Secondary
Negative Dip	Secondary
Skull Crusher (Lying Triceps Extension)	Stabilizer
Scapular Clock (Wall-Supported)	Stabilizer
Pendulum Exercise (Codman's)	Stabilizer
Front Squat	Stabilizer
Goblet Squat	Stabilizer
Hollow Body Hold	Stabilizer
Resisted Internal Rotation	Stabilizer
Median Nerve Glide	Stabilizer
Biceps Curl	Stabilizer
Hammer Curl	Stabilizer
Mountain Climber	Stabilizer
Prone Press-Up (McKenzie)	Synergist
Push-Up Plus	Synergist
Water Bottle Lateral Raise	Synergist
Band Pull-Apart	lengthening
Face Pull	lengthening
Scapular Stability Exercises (Rows / Scapular Retraction)	lengthening
Mindfulness-Integrated Stretching	lengthening
Barbell Row	lengthening
Bent-Over Row	lengthening
Inverted Row	lengthening
Prone Horizontal Abduction with External Rotation (Prone Y/T)	lengthening
Towel Row	lengthening
Prone T with External Rotation	lengthening
Doorway Isometric Row	lengthening
Wall Angel	lengthening
Pull-Up	lengthening

Sources

Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation — Anatomy of Anterior Deltoid — origin, insertion, action, innervation
Muscles: Testing and Function with Posture and Pain — Manual muscle testing for Anterior Deltoid