oo T-Mobile 5:51 PM 50% New content added: Ch 5 WS Ch 5 WS Integration Activity:

Question

oo T-Mobile 5:51 PM 50% New content added: Ch 5 WS Ch 5 WS Integration Activity: In chapters 4 and 5 we discussed the motions available, the muscles that perform the motions and the innervation for the shoulder girdle and shoulder joint (meaning muscles of the girdle do not perform shoulder joint movements and vice versa). Using that information please complete the table below. The purpose of this assignment is to help you distinguish between the muscles that control movements, the nerves that supply the muscles and the movements available in each of the body regions that c the shoulder complex Actions (Motions) alowed Muscles involved Nerves Shoulder girdlk Click or tap here to enter Click or tap here to Click or tap here to enter text Click or tap here to enter Click or tap hore to enter Shoulder joint Click or tap here to enter sext

Explanation / Answer

Actions allowed

Muscles involved

nerves

Shoulder griddle

Elevation

Depression

abduction(

protraction: scapula moving away from spinal column

retraction:moving scapula toward the spinal column

)

upward rotaion

downward rotation

Trapezius

Rhomboid

Levator scapula

Serratus anterior

Pectoralis minor

Axillary nerve

suprascapular nerve

subscapular

spinal accessory nerve

long thoracic nerve

medial pectoral nerve

Shoulder joint

Extension

flexion

abduction(

upper limb away from midline

upper limb towards midline

)

Medial Rotation (rotation towards the midline)

Lateral Rotation (rotation away from the midline)

Subscapularis

latissimus dorsi

infraspinatus

teres minor

teres major

supraspinatus

deltoid

pectoralis major

Derived from roots C5 and C6 of the brachial plexus

suprascapular nerve

axillary nerve

lateral pectoral nerve

Actions allowed

Muscles involved

nerves

Shoulder griddle

Elevation

Depression

abduction(

• protraction: scapula moving away from spinal column

• retraction:moving scapula toward the spinal column

)

upward rotaion

downward rotation

• Trapezius

• Rhomboid

• Levator scapula

• Serratus anterior

• Pectoralis minor

• Axillary nerve

• suprascapular nerve

• subscapular

• spinal accessory nerve

• long thoracic nerve

• medial pectoral nerve

Shoulder joint

• Extension

• flexion

• abduction(

• upper limb away from midline

• upper limb towards midline

)

• Medial Rotation (rotation towards the midline)

• Lateral Rotation (rotation away from the midline)

• Subscapularis

• latissimus dorsi

• infraspinatus

• teres minor

• teres major

• supraspinatus

• deltoid

• pectoralis major

Derived from roots C5 and C6 of the brachial plexus

• suprascapular nerve

• axillary nerve

• lateral pectoral nerve

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