What class of lever is described by the following activities: (1) the soleus plantar flexing the foot; (2) the deltoid abducting the arm; (3) the triceps brachii extending the forearm during push-ups?

Which gluteal muscle is LEAST involved in abduction of the thigh? (That is, which one has the worst mechanical advantage for thigh abduction?) Gluteus Minimus Gluteus Maximus Gluteus Medius

While keeping your foot on the ground you are able to lift only your big toe due to the contraction of which of the following muscles? extensor digitorum extensor hallicus longus tibialis anterior fibularis longus

Match the muscles to the movements which are caused when the respective muscles contract concentrically. Cervical extension Cervical flexion - Cervical lateral flexion to the right Cervical lateral flexion to the left Cervical rotation to the right Cervical rotation to the left Lumbar extension Lumbar flexion Lumbar lateral flexion to the right Lumbar lateral flexion to the left Lumbar rotation to the right Lumbar rotation to the left - - A. Erector spinae, quadratus lumborum B. Erector spinae, splenius cervicis, splenius capitis C. L) erector spinae, L) rectus abdominis, R) external oblique L) internal oblique D. L) erector spinae, L) rectus abdominis, L) external oblique, L) internal oblique, L) quadratus lumborum E. R) erector spinae, R) rectus abdominis, L) external oblique R) internal oblique F. R) erector spinae, R) rectus abdominis, R) external oblique, R) internal oblique, R) quadratus lumborum G. Rectus abdominis, external oblique, internal oblique H. L) splenius cervicis, L)…

What exactly is the muscle physiology of bicep curls?

After throwing a baseball pitch, which muscles of the glenohumeral joint work to slow the motion of the shoulder? Consider one of flexor, internal rotator, external rotator or adductor.

Which of the following muscles abducts the thigh at the hip joint? O gluteus maximus O gracilis O pectineus O gluteus medius

Which movement at the ankle is controlled by the most muscles, plantar or dorsiflexion? List at least two functional movements that would be important to have adequate dorsiflexion.

Identify four muscles named for being attached to the "arm"

Identify the muscles that are involved in the following movements: External Tibial Rotation Internal Tibial Eotation