KIN 389 - Ch 4&5

The scapulothoracic joint is stabilized by two ligaments.

• True

• False

Where do the shoulder girdle muscles insert?

• clavicle

• appendicular skeleton

• scapula

• clavicle and scapula

Which of the following is NOT a rotator cuff muscle?

• supraspinatus

• teres minor

• serratus anterior

• subscapularis

The subscapularis actions are internal rotation, add, and extension of the the GH joint + stabilization of the humeral head in the glenoid fossa.

• True

• False

Which muscles are extrinsic?

• teres minor and subscapularis

• latissimus dorsi and pectoralis major

• latissimus dorsi and subscapularis

• pectoralis major and coracobrachialis

The origin for the extrinsic GH joint muscles is the scapula or clavicle.

• True

• False

Scapular elevation occurs when the scapula moves upwards without rotation in the anatomical position.

• True

• False

What are the agonists of scapular abd/protraction?

• serratus anterior and pectoralis major

• middle trapezius, lower trapezius, and serratus anterior

• trapezius and rhomboids

• levator scapulae

What is one of the primary muscles in shoulder girdle movement?

• Rhomboids

• Brachialis

• Latissimus dorsi

• Biceps

The pectoralis major inserts at the coracoid process.

• True

• False