PTA 125 Lab Check 2

upper trap attachments

external occipital protuberance to the superior posterior aspect of lateral third clavicle

upper trap motions

scapular elevation and up rotation

middle trap attachments

spinous process of upper thoracic vertebrae to medial aspect of acromion process

middle trap motions

scapular retraction

lower trap attachments

spinous process of lower thoracic vertebrae to upper lip of scapular spine

lower trap motions

scapular depression, up rotation, and retraction

rhomboids attachments

spinous process of upper thoracic vertebrae to medial border of scapula

rhomboids motions

scapular elevation, down rotation, and retraction

serratus anterior attachments

external lateral region of ribs to medial border of scapula

serratus anterior motions

scapula protraction and up rotation

pectoralis minor attachments

anterior ribs to coracoid process

pectoralis minor motions

scapular depression and down rotation

levator scapula attachments

transverse process of cervical vertebrae to upper medial border of scapula

levator scapula motions

scapular elevation and down rotation

anterior delt attachments

anterior surface of lateral clavicle to deltoid tuberosity

anterior delt motions

shoulder flexion, horizontal adduction, internal rotation, abduction

middle delt attachments

superior lateral surface of acromion process to deltoid tuberosity

middle delt motions

shoulder abduction, flexion

posterior delt attachments

scapular spine to deltoid tuberosity

posterior delt motions

shoulder extension, horizontal abduction, external rotation

supraspinatus attachments

supraspinatus fossa to greater tubercle (higher)

supraspinatus motions

shoulder abduction

infraspinatus attachments

infraspinatus fossa to greater tubercle (middle)

infraspinatus motions

shoulder external rotation

teres minor attachments

posterior surface of lateral border to greater tubercle (lower)

teres minor motions

shoulder external rotation, adduction

subscapularis attachments

subscapular fossa to lesser tubercle

subscapularis motions

shoulder internal rotation

pec major attachments

anterior medial portion of clavicular head and manubrium to greater tubercle crest

pec major motions

shoulder internal rotation, flexion, horizontal adduction, adduction, depression

lat attachments

spinous process of lower thoracic and lumbar vertebrae and ilium crest to intertubercular groove floor

lat motions

shoulder adduction, extension, internal rotation, depression

teres major attachments

inferior angle to lesser tubercle crest

teres major motions

shoulder adduction, extension, internal rotation

coracobrachialis attachments

coracoid process to medial aspect of proximal shaft

coracobrachialis motions

shoulder flexion

biceps long attachments

supraglenoid tubercle to radial tuberosity

biceps long motions

shoulder flexion, elbow flexion, forearm supination

biceps short attachments

coracoid process to radial tuberosity

biceps short motions

shoulder flexion, elbow flexion, forearm supination

triceps long attachments

infraglenoid tubercle to olecranon process

triceps long motions

shoulder extension, elbow flexion

axillary nerve

deltoid, teres minor

musculocutaneous nerve

biceps brachii, coracobrachialis

radial nerve

triceps brachii