Shoulder ROM and Muscles Flashcards
ROM of shoulder in flexion, extension, abduction, adduction, IR, ER
Flexion - 180 Extension - 60 Abduction - 180 Adduction - 60 IR - 90 ER - 90
4 main muscles of shoulder flexion
Biceps
Anterior deltoid
Pec major
Coracobrachialis
Deltoid innervation and nerve root
Axillary C5,6
Biceps innervation and nerve root
Musculocutaneous C5,6
Coracobrachialis innervation and nerve root
Musculocutaneous C5,6
Pec major innervation and nerve root
Medial and lateral pectoral nerves C5-T1
5 main muscles of shoulder extension
Triceps Latissimus dorsi Posterior deltoid Pec major Teres major
Latissimus dorsi innervation and nerve root
Thoracodorsal nerve C 6,7,8
Teres major innervation and nerve root
Lower subscapular nerve C5,6
Triceps innervation and nerve root
Radial nerve C6, 7, 8
2 main muscles of shoulder abduction
Supraspinatus and middle deltoid
Supraspinatus innervation and nerve root
Suprascapular nerve C5, 6
7 muscles for shoulder adduction
Pec major Coracobrachialis Triceps Teres major Deltoid Infraspinatus Latissimus dorsi
Infraspinatus innervation and nerve root
Suprascapular nerve C5, 6
Action of anterior, middle, posterior deltoid
Anterior = flexion, adduction, IR Middle = abduction Posterior = Extension, adduction, ER
5 muscles of internal rotation
Subscapularis Latissimus dorsi Pec major Teres major Deltoid
Subscapularis innervation and nerve root
Upper and lower subscapular nerves C5, 6, 7
4 muscles for external rotation
Infraspinatus
Teres minor
Supraspinatus
Deltoid
4 actions of pec major
- flexion
- extension
- IR
- adduction
3 actions of latissimus dorsi
- adduction
- IR
- extension
Actions of coracobrachialis
Flexion and adduction
Actions of teres major
Extension
IR
Adduction
