Aromatase inhibitors belong to an even broader class of drugs known as antiâestrogens. The other subcategory of drug under the anti-estrogens category is known as selective estrogen receptor modulators (SERMs), such as Nolvadex and Clomid. AIs and SERMs make up anti-estrogens.
Improve it: The only way to strengthen a weak psoas is by bringing your knee above 90 degrees. Sit with your knees bent on a low box or bench (6 to 10 inches high) (3). Maintaining good posture and keeping your abs tight, use your hips to raise one bent knee slightly higher than your hips.
It crosses three major jointsâthe hip socket, the joint between the lumbar spine and the sacrum (L5-S1), and the sacroiliac joint (SI joint between the sacrum and the pelvis). So itâs easy to see that if the psoas is not healthy and strong, there are major repercussions throughout the body. With a healthy psoas the weight is borne through the bones, and walking is initiated at the solar plexus instead of the knee or hip joint.