| Question |
Answer |
| Trapezius - Innervation |
Accessory and Cervical plexus |
| Latissimus Dorsi - Innervation |
Thoracodorsal |
| Levator Scapulae - Innervation |
Dorsal Scapular |
| Rhomboids major and minor - Innervation |
Dorsal scapular |
| Serratus anterior - Innervation |
Long thoracic |
| Deltoid - Innervation |
Axillary |
| Teres major - Innervation |
Lower subscapular |
| Teres minor - Innervation |
Axillary |
| Infraspinatus - Innervation |
Suprascapular |
| Supraspinatus - Innervation |
Suprascapular |
| Subscapularis - Innervation |
Upper/lower subscapular |
| Trapezius - Action |
Elevate/depress, retract, rotate scapula |
| Latissimus Dorsi - Action |
Extends, adducts, medially rotates humerus (for chinups) |
| Levator scapulae - Action |
Elevates scapula, rotates glenoid cavity downward |
| Rhomboids major/minor - Action |
Retract/hold scapula in place, depress glenoid cavity |
| Serratus anterior - Action |
Protracts/rotates/holds scapula in place |
| Deltoid - Action |
Anterior - flexes/medially rotates arm, Middle - abducts arm, Posterior - extends, laterally rotates arm |
| Teres major - Action |
Adducts/medially rotates arm |
| Teres minor - Action |
Laterally rotates arm, holds humerus and glenoid fossa together |
| Infraspinatus - Action |
Laterally rotates arm, holds humerus and glenoid fossa together |
| Supraspinatus - Action |
Abducts arm, holds humerus and glenoid fossa together |
| Subscapularis - Action |
Medially rotates arm, adducts arm, holds humerus and glenoid fossa together |
| Quadrangular Space contents |
Axillary nerve and Posterior humeral circumflex artery |
| Triangular Space contents |
Circumflex Scapular artery |
| Triangular interval contents |
Radial nerve and deep brachial artery |
5th Grade Science
