Table 2.

Muscle activity during the separate phases of paddling in surfing

Propulsive phase		Recovery phase
Pull phase	Push phase
Thorax extension - Erector spinae Shoulder flexion - Pectoralis major - Triceps brachii	Glenohumeral extension 90° flexion to 10° extension - Latissimus dorsi - Mid trapezius Internal rotation - Subscapularis	Humeral elevation - Deltoid - Supraspinatus Humeral head stabilisation prevention of superior translation - Rotator cuff