Question | Answer |
Subscapularis: Insertion | Lesser tubercle of humerus |
Subscapularis: Action | Adduction, medial rotation of humerus |
Deltoids (Anterior): Origin | Lateral third of clavicle |
Deltoids (Middle): Origin | Lateral acromion |
Deltoids (Posterior): Origin | Spine of scapula |
Deltoids: Insertion | Deltoid tuberosity of humerus |
Deltoids (Anterior): Action | Flexion, horizontal adduction, medial rotation of humerus |
Deltoids (Middle): Action | Abduction of humerus to 90 degrees |
Deltoids (Posterior): Action | Extension, horizontal abduction, lateral rotation of humerus |
Lateral Rotators of Humerus? | Infraspinatus, Teres Minor, Posterior Deltoid |
ABductors of Humerus? | Supraspinatus, Middle Deltoid |
ADductors of Humerus? | Supscapularis |
Horizontal ABductors of Humerus? | Posterior Deltoid |
Horizontal ADductors of Humerus? | Anterior Deltoid |
Teres Minor: Action | Extension, lateral rotation of humerus |
Infraspinatus: Insertion | Greater tubercle of humerus (middle facet) |
Infraspinatus: Action | Extension, lateral rotation of humerus |
What is the formula used to calculate Power? | Power = Work/Time |
What is the formula for Work? | Work = force X distance |
First class lever | fulcrum is located between the effort force and the resistance force. |
second class lever | resistance force is located between the effort force and the fulcrum |
third class lever | effort force is located between the resistance force and the fulcrum |