Sternocleidomastoid

Schematic anatomy
Sternocleidomastoid

Shoulders

Anterior deltoidMiddle deltoidPosterior deltoid

Rotator cuff

SupraspinatusInfraspinatusTeres minorSubscapularis

Neck

SternocleidomastoidLongus colli & longus capitisScalenesSplenius capitis & cervicisLevator scapulaeSuboccipital muscles
Movement guide

Sternocleidomastoid

Bends the neck and contributes to turning the head toward the opposite side.

01

Gentle neck-flexion isometric

Neck control · Hand resistance

Also works

Deep neck flexors, scalenes

How to perform

Sit tall and place your palm against your forehead. Press lightly without moving your head, then relax.

Breathe normally; do not use maximum effort or push into pain.

Example volume · 1–2 sets × 5 holds of 3 sec

02

Gentle side-neck isometric

Neck control · Hand resistance

Also works

Scalenes, other cervical stabilizers

How to perform

Place a palm above your ear. Press your head gently sideways into it without moving, then relax.

Keep your head level and shoulders relaxed.

Example volume · 1–2 sets × 5 holds of 3 sec / side

Referenceswww.cuh.nhs.uk

Community draft · awaiting expert review