"When placed around the tops of your shins as you move side to side, the miniband hits your hand-to-reach gluteus medius, a muscle that helps rotate your thigh inward and outward," says Nick Murtha, a trainer for Men's Health Thrive. Waking up this muscle allows you to use all your glute strength when performing moves like a heavy-loaded squat or lunge, he says.
As stated before, one of the primary hip flexor muscles is the psoas major. This muscle plays a role in core stabilization (something that is needed during running, squatting, and sitting) due to its attachment site at the spine. If there is a lack of core stability or poor movement patterns during these tasks then the hip flexor can become overworked/tired/fatigued (think what happens when your co workers or teammates don’t do their job, you have to pick up the slack and work harder, bringing you more stress and fatigue). It is when the hip flexor becomes fatigued that the sensation of tightness sets in. This is because the hip flexor has to “work harder” to compensate for other muscles not doing their job.
This test measures a participant's ability to stand up from a seated position as many times as possible in a thirty-second period of time.[2] Testing the number of times a person can stand up in a thirty-second period helps assess strength, flexibility, pain, and endurance,[2] which can help determine how far along a person is in rehabilitation, or how much work is still to be done.
This muscle sits partway under the gluteus maximus and connects the ilium (hip bone) to the side of the upper femur. It helps you externally rotate your leg when it’s extended behind you, and internally rotate your hip when your leg is flexed in front of you. Together with the gluteus minimus, this muscle abducts the hip (moves it outward). This is your chief “side stepping” muscle.
There are many camps within the weight training fitness community. We have bodybuilders, Crossfit athletes, powerlifters, Olympic lifters, and strongman athletes just to name the most popular ones off the top of my head. One thing they all have in common is that they all use resistance to achieve a particular goal. They all also “share” particular exercises. Most resistance-training athletes do barbell squats, overhead presses and deadlifts. I can write pages of differences between each of the disciplines I listed above and I can also write quite a bit about their similarities but one form of resistance training is MORE different than the others. Bodybuilding is the only sport that judges the appearance of the athlete rather than their performance. This may be why bodybuilders tend to get poked at the most.
  Located deep in the front of the hip and connecting the leg, pelvis, and abdomen, the hip flexors— surprise, surprise— flex the hip. But despite being some of the most powerful muscles in our bodies (with a clearly important role), it’s easy to neglect our poor hip flexors— often without even knowing it. It turns out just working at a desk all day (guilty!) can really weaken hip flexors since they tend to shorten up while in a seated position. This tightness disrupts good posture and is a common cause of lower back pain. Weakened hip flexors can also increase the risk of foot, ankle, and knee injuries (especially among runners) Hip muscle weakness and overuse injuries in recreational runners. Niemuth, P.E., Johnson, R.J., Myers, M.J., et al. Rocky Mountain University of Health Professions, Provo, VT. Clinical Journal of Sport Medicine, 2005 Jan; 15 (1): 14-21.. So be sure to get up, stand up every hour or so! And giving the hip flexors some extra attention is not just about injury prevention. Adding power to workouts, working toward greater flexibility, and getting speedier while running is also, as they say, all in the hips The effect of walking speed on muscle function and mechanical energetics. Neptune, R.R., Sasaki, K., and Kautz, S.A. Department of Mechanical Engineering, The University of Texas, Austin, TX. Gait & Posture, 2008 Jul; 28 (1): 135-43..

Why less volume for the smaller muscle groups, you ask? Partially because they are smaller, but mostly because they get a ton of indirect volume while training the bigger muscle groups (e.g. your biceps get hit pretty hard while training back, triceps get hit pretty hard while training chest and shoulders, shoulders get hit pretty hard while training chest, etc.).
A: Depending upon your experience level, preference, recovery capacity, and time available, you’ll likely find that 3-5 strength training sessions per week is the sweet spot. If you’re just getting started with weight training, then you should stick with 3 days per week and work your way up. Novices and early intermediates can handle 4 days per week with a split such as an upper lower and seasoned intermediate lifters may be able to handle 5 sessions per week depending upon the programming, recovery, and nutrition strategies that are in place.
Yes, but I didn’t start off with saying Keto, because Keto is a buzzword. You need to understand why Keto does what it does. I would have someone start with Keto for the reasons mentioned above, but I would not have them on it long. Carbs are not essential, but they are helpful. Especially, if someone is on Keto trying to build muscle. Or in just in a deficit. If anything, Atkins is where I would lead someone after doing Keto.
There are nutrients within these fat sources which decrease inflammation, improve mental function, improve eyesight, and give you healthier skin, hair, and nails. When I'm crushing the iron in the gym each day, my goal is to be strong and big, but also healthy and mobile. To get that way, I eat all of these generously on a regular basis, and I also take omega-3 supplements daily, in the form of fish oil or krill oil.