Muscle Actions Flashcards
Upper Trapezius
Scapular Elevation, Scapular Upward Rotation
Lavatory Scapulae
Scapular Elevation, Adduction, Downward Rotation
Middle Trapezius
Scapular Adduction
Lower Trapezius
Scapular Depression, Upward Rotation
Rhomboid Major
Adduction, Downward Rotation and Elevation of Scapula
Rhomboid Minor
Adduction and Elevation of Scapula
Lower Trapezius
Scapular Depression, Upward Rotation
Serratus Anterior
Scapular Abduction, Upward Rotation of the Scapula
Anterior Deltoid
Flexion of the Shoulder
Coracobrachialis
Flexion and Adduction of the Shoulder
Latissimus Dorsi
Extension, Adduction and Medial Rotation of the Shoulder
Teres Major
Adduction, Extension and Medial Rotation of the Shoulder
Posterior Deltoid
Extension of the Shoulder
Middle Deltoid
Abduction of the Shoulder
Supraspinatus
Abduction and Lateral Rotation of the Shoulder
Posterior Deltoid
Extension of the Shoulder
Pectoralis Major
—Adduction and Medial Rotation of the Shoulder
Clavicular—Flexion and horizontal Adduction of the Shoulder
Sternocostal—Extension of the shoulder
Subscapularis
Medial Rotation of the Shoulder
Infraspinatus
Lateral Rotation of the Shoulder
Teres Minor
Lateral Rotation of the Shoulder
Biceps Brachii
Flexion of the Elbow
Supination of the Forearm
Assists in Flexion of Shoulder
Brachiallis
Flexion of the Elbow
Brachioradialis
Flexion of the Elbow
Triceps Brachii
Extension of the Elbow
Slight Extension in Shoulder
Anconeus
Assists in Extending the Elbow
Supinator
Supination of the Forearm
Pronator Quadratus
Pronation of Forearm
Pronator Teres
Pronation of the Forearm
Assists in Elbow Flexion
Flexor Carpi Radialis
Flexion and Abduction of the Wrist
Flexor Carpi Ulnaris
Flexion and Adduction of the Wrist
Extensor Carpi Radialis Longus
Extension and Abduction of the wrist
Assists in Extension of the Elbow
Extensor Carpi Radialis Brevis
Extension and Abduction of the Wrist
Extensor Carpi Ulnaris
Extension and Adduction of the Wrist
Lumbricals
Flexion of MCP 2-5
Extension of PIP 2-5
Extension of DIP 2-5
Palmar Interossei
Adduction and Flexion of the 2, 4 and 5th MCP
Extension of PIP 2, 4, 5
Extension of DIP 2, 4, 5
Dorsal Interossei
Abduction and Flexion of 2 3 and 4 MCP
Extension of PIP 2, 3, 4
Extension of DIP 2, 3, 4
Flexor Digitorum Superficialis
Flexion of the PIP of 2-5
Assists in Flexion of MCP 2-5
Flexion of Wrist
Flexor Digitorum Profundus
Flexion of DIP 2-5
Assists in Flexing PIP and MCP
Extensor Digitorum
Extension of Digits 2-5
Assists in Wrist Extension
Extensor Indicis
Extension of the Index Finger
Assists in Wrist Extension
Extensor Digiti Minimi
Extension of Digit 5
Assist in Wrist Extension
Abductor Digiti Minimi
Abduction and Flexion of 5th MCP
Flexor Pollicis Brevis
Flexion of the MCP joint in the Thumb
Flexor Pollicis Longus
Flexion of the IP of thumb
Flexion of the MCP of thumb
Extensor Pollicis Brevis
Extension of the MCP Thumb
Extension of CMC of Thumb
Abductor Pollicis Longus
Abduction and extension of the CMC
Assists in Abduction
Flexion of the Wrist
Abductor Pollicis Brevis
Abduction of the CMC
Abduction of the MCP joints of the Thumb
Adductor Pollicis
Adduction of the Thumb
Opponents Pollicis
Opposition at the CMC Thumb
Opponents Digiti Minimi
Opposition at the CMC 5th Digit
Longus Capitus
Bilateral Action: Flexion of the head on the Atla; Flexion of the Cervical Spine
Unilateral Action: Lateral Flexion and Rotation of the Cervical Spine to Same Side
Longus Colli
Bilateral Action: Flexion of the Cervical Spine
Unilateral Action: Lateral Flexion and Rotation of the Cervical Spine to the Same Side
Rectus Capitis Anterior
Flexion of the Head on the Atlas
Anterior Scalene
Bilateral Action: Flexion of the cervical Spine
Unilateral Action: Lateral Flexion of the Cervical Spine to the Same Side
Sternocleidomastoid
Bilateral: Flexion of the cervical spine and Extension of the Head on the Atlas
Unilateral action: Lateral flexion of the cervical spine to the same side
Iliocostalis Cervicis
Bilateral: Extension of Cervical Spine
Unilateral: Lateral Flexion and Rotation of cervical spine