Anatomy Flashcards
Anterior tibialis
Accelerate ankle dorsiflexion and inversions (underactive)
Posterior tibialis
Accelerate ankle plantar flexion and inversion (overactive)
Soleus
Accelerate ankle plantar flexion (overactive)
Gastrocnemius
Accelerate ankle plantar flexion.
Lat head: overactive
Medial head: underactive
Fibularis (peroneus) longus
Accelerate ankle plantar flexion and eversion
Bicep femoris long head
Accelerate knee flexion, hip extension and tibial external rotation (overactive)
Bicep femoris short head
Accelerate knee flexion and tibial external rotation (overacrive)
Semimembranosus
Accelerate knee flexion, hip extension and tibial internal rotation (underactive)
Semitendinosus
Accelerate knee flexion, hip extension and tibial internal rotation (underactive)
Vastus lateralis
Accelerate knee extension (overactive)
Vastus medialis
Accelerate knee extension (UA)
Vastus intermedius
Accelerate knee extension
Rectus femoris
Accelerate knee extension and hip flexion (OA)
Adductor longus
Accelerate hip adduction, flexion and internal rotation (OA)
Adductor magnus, anterior fibers
Accelerate hip adduction, flexion, and internal rotation (OA)
Adductor magnus, posterior fibers
Accelerate hip adduction, extension, and external rotation (OA)
Adductor brevis
Accelerate hip adduction, flexion, and internal rotation (OA)
Gracilis
Accelerate hip adduction, flexion and internal rotation. And assists in tibial internal rotation (OA)
Pectineus
Accelerate hip adduction, flexion, and internal rotation (OA)
Gluteus medius, anterior fibers
Accelerate hip abduction, and internal rotation (UA)
Gluteus medios, posterior fibers
Accelerate hip abduction, and external rotation (UA)
Gluteus minimus
Accelerate hip abduction, flexion, and internal rotation (UA)
TFL
Accelerate hip abduction, flexion, and internal rotation (OA)
Gluteus maximus
Accelerate hip extension, and external rotation (UA)
Psoas major
Accelerate hip flexion, external rotation, extends and rotates lumbar spine (OA)
Iliacus
Accelerate hip flexion, external rotation, extends and rotates the lumbar spine
Sartorius
Accelerate hip flexion, external rotation, and abduction. Accelerate knee flexion and internal rotation (OA)
Piriformis
Accelerate hip external rotation, abduction, extension (OA)
Rectus abdominis
Accelerate spinal flexion, lateral flexion, and rotation
External oblique
Accelerate spinal flexion, lateral flexion and contralateral rotation
Internal oblique
Accelerate spinal flexion, lateral flexion, and ipsilateral rotation (UA)
Transverse abdominis
Increases intra abdominal pressure and supports the abdominal vicera (UA)
Diaphragm
Pulls the central tendon inferiorly, increasing the volume in the thoracic cavity. (UA)
Erector spinae
Spinal extension, lat flexion, and rotation (OA)
Quadratus lumborum
Accelerate spinal lateral flexion (UA)
Tranversospinalis
Produces spinal flexion, lat flexion, extension, and contralateral rotation of the head
Multifidus
Spinal extension and contralateral rotation (UA)
Lattisimus dorsi
Accelerate shoulder extension, adduction, and internal rotation (OA)
Serratus anterior
Scapular protaction
Rhomboids
Scapular retraction and downward rotation (UA)
Lower trapezius
Scapular depression (UA)
Middle trapezius
Scapular retraction (UA)
Upper trapezius
Cervical extension, lateral flexion, rotation, scapular depression (OA)
Levator scapulae
Cervical extension, lateral flexion, and ipsilateral rotation. (OA)
Pectoralis major
Shoulder flexion, horizontal adduction, internal rotation (OA)
Pectoralis minor
Protracts the scapula (OA)
Anterior deltoid
Shoulder flexion and internal rotation (OA)
Medial deltoid
Shoulder abduction
Posterior deltoid
Shoulder extension, and external rotation
What are the rotator cuff muscles (tiss)
Teres minor: shoulder ex. Rotation (UA)
Infraspinatus: shoulder ex. Rot. (UA)
Subscapularis: shoulder int. Rot. (OA)
Supraspinatus: abduction of the arm
Teres major
Shoulder internal rotation, extension, and adduction (OA)
Biceps brachii
Elbow flexion, shoulder flexion, supination of the radioulnar joint. (Two join muscle)
Triceps brachii
Elbow extension, shoulder extension (3 headed muscle)
Brachialis
Elbow flexion (primer flexor of the arm)
Anconeus
Elbow extension
Brachioradialis
Elbow flexion
Pronator quadratus
Forearm pronation
Pronator teres
Pronates forearm
Supinator
Supinates forearm
Sternocleidomastoid
Cervical flexion, rotation, and lateral flexion (OA)
Scalenes
Cervical flexion, rotation, and lateral flexion, and assists in rib elevation during inspiration (OA)
Longus colli
Cervical flexion, lateral flexion, and ipsilateral rotation (UA)
Longus capitis
Cervical flexion, and lateral flexion.
Which are the muscles of inspiration and expiration
Inspiration: muscle that elevate the rib cage, external intercostals, sternocleidomastoid, anterior serratus, scalenes.
Expiration: muscles that depress the chest, abdominal muscles (rectus abdominis, external and internal obliques, transverse abdominis)